19-1382; Rev 1; 9/99 UALS IT MAN TION K A ET U E L H A S A EV W DAT FOLLO 400MHz to 2.5GHz Upconverter Mixers These devices offer a wide range of supply currents and output intercept levels to optimize system performance. Supply current is essentially constant over the specified supply voltage range. Additionally, when the devices are in a typical configuration with V SHDN = 0, a shutdown mode reduces the supply current to less than 1A. The MAX2660/MAX2661/MAX2663/MAX2671 are offered in the space-saving 6-pin SOT23 package. For applications requiring balanced IF ports, choose the MAX2673 in the 8-pin MAX package. Features RF Output Frequencies: 400MHz to 2.5GHz Low Noise Figure: 9.3dB (900MHz, MAX2671) +2.7V to +5.5V Single Supply High Output Intercept Point (OIP3) 5.9dBm at 4.8mA (MAX2660) 7.1dBm at 8.3mA (MAX2661) 0.7dBm at 3.0mA (MAX2663) 9.6dBm at 11.8mA (MAX2671) 7.6dBm at 20.5mA (MAX2673) 1A Shutdown Mode Ultra-Small Surface-Mount Packaging Pin Configurations TOP VIEW LO 1 Applications GND 2 400MHz/900MHz/2.4GHz ISM Hand-Held Radios MAX2660 MAX2661 MAX2663 MAX2671 IFIN 3 Wireless Local Area Networks (WLANs) IEEE 802.11 and Wireless Data 6 SHDN 5 VCC 4 RFOUT SOT23-6 Personal Communications Systems (PCS) Cellular and Cordless Phones LO 1 Ordering Information PART TEMP. RANGE PINPACKAGE TOP MARK MAX2660EUT-T -40C to +85C 6 SOT23-6 AAAF MAX2661EUT-T MAX2663EUT-T MAX2671EUT-T MAX2673EUA -40C to +85C -40C to +85C -40C to +85C -40C to +85C 6 SOT23-6 6 SOT23-6 6 SOT23-6 8 MAX AAAG AAAL AAAJ -- 8 IFIN+ 7 IFIN- 3 6 GND VCC 4 5 RFOUT GND 2 MAX2673 SHDN MAX Typical Operating Circuits and Functional Diagram appear at end of data sheet. Selector Guide PART ICC (mA) OUTPUT IP3 (dBm) AT 900MHz GAIN (dB) AT 2450MHz LO BUFFER SINGLE-ENDED OR DIFFERENTIAL IF MAX2660 4.8 5.9 4.6 No Single Ended 6 SOT23 MAX2661 8.3 7.1 8.2 No Single Ended 6 SOT23 MAX2663 3.0 0.7 1.4 No Single Ended 6 SOT23 MAX2671 11.8 9.6 8.9 Yes Single Ended 6 SOT23 MAX2673 20.5 7.6 8.6 Yes Differential 8 MAX PACKAGE ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 General Description The MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 miniature, low-cost, low-noise upconverter mixers are designed for low-voltage operation and are ideal for use in portable consumer equipment. Signals at the IF input port are mixed with signals at the local oscillator (LO) port using a double-balanced mixer. These upconverter mixers operate with IF input frequencies between 40MHz and 500MHz, and upconvert to output frequencies as high as 2.5GHz. MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers ABSOLUTE MAXIMUM RATINGS VCC to GND ...........................................................-0.3V to +6.0V IFIN_ Input Power (50 source).....................................+10dBm LO Input Power (50 source) ........................................+10dBm SHDN, RFOUT, IFIN_, LO to GND..............-0.3V to (VCC + 0.3V) Continuous Power Dissipation (TA = +70C) 8-Pin MAX (derate 4.1mW/C above +70C) .............330mW 6-Pin SOT23-6 (derate 8.7mW/C above +70C) ........696mW Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +160C Lead Temperature (soldering, 10sec) .............................+300C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (VCC = +2.7V to +5.5V, SHDN = +2V, TA = -40C to +85C, unless otherwise noted. Typical values are at VCC = SHDN = +3.0V, TA = +25C. Minimum and maximum values are guaranteed over temperature by design and characterization.) PARAMETER Operating Supply Current (LO and IFIN_ Unconnected) Shutdown Supply Current SYMBOL ICC ICC CONDITIONS MIN TYP MAX MAX2660 4.8 6.6 MAX2661 8.3 11.3 MAX2663 3.0 4.1 MAX2671 11.8 16.6 MAX2673 20.5 26.8 SHDN = GND, MAX2660 0.1 SHDN = GND, MAX2661 0.2 SHDN = GND, MAX2663 0.1 SHDN = GND, MAX2671 0.2 SHDN = GND, MAX2673 0.8 5 SHDN = 0.5V, VCC = 3.6V to 5.5V 15 VIH 2 Shutdown Input Voltage Low VIL 0 Shutdown Input Bias Current IIN -5 VCC 0.2 mA A SHDN = 0.5V, VCC = 2.7V to 3.6V Shutdown Input Voltage High UNITS V 0.5 V 5 A AC ELECTRICAL CHARACTERISTICS (VCC = SHDN = +3.0V, TA = +25C, unless otherwise noted. Minimum and maximum values are guaranteed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS MAX2660 (PLO = -5dBm, PIFIN = -30dBm, Circuit of Figure 1) Conversion Gain Gain Variation Over Temperature Output Third-Order Intercept 2 fIF = 45MHz, fLO = 445MHz, fRF = 400MHz 7.0 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 7.0 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 3.9 5.9 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 4.6 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz, TA = -40C to +85C 1.2 TBD fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 5.9 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 5.7 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 4.1 _______________________________________________________________________________________ 8.1 1.6 dB dB dBm 400MHz to 2.5GHz Upconverter Mixers (VCC = SHDN = +3.0V, TA = +25C, unless otherwise noted. Minimum and maximum values are guaranteed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS MAX2660 (PLO = -5dBm, PIFIN = -30dBm, Circuit of Figure 1) (continued) Output 1dB Compression Point Noise Figure (Single Sideband) LO Emission from RF Port fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -8.4 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -10.8 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -11.4 fIF = 70MHz, fLO = 970MHz, fRF = 1900MHz 9.9 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 11.8 fIF = 350MHz, fLO = 2100MHz, fRF = 2450MHz 11.9 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -22.0 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -20.7 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -22.5 dBm dB dBm Maximum LO Input VSWR f = 600MHz to 2500MHz, 50 source impedance 2.2 Maximum Output Spurious Emissions fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz (Note 1) -70 dBm Turn-On Time (Note 2) 2 s Turn-Off Time From SHDN low to ICC < 100A 2 s MAX2661 (PLO = -5dBm, PIFIN = -30dBm, Circuit of Figure 1) Conversion Gain fIF = 45MHz, fLO = 445MHz, fRF = 400MHz 10.2 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 10.7 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz Gain Variation Over Temperature Output Third-Order Intercept Output 1dB Compression Point Noise Figure (Single Sideband) LO Emission from RF Port 7.0 8.5 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 8.2 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz, TA = -40C to +85C 1.2 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 7.1 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 6.0 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 7.3 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -6.0 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -7.2 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -6.2 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 9.8 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 11.6 fIF = 350MHz, fLO = 2100MHz, fRF = 2450MHz 11.8 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -22.9 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -21.6 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -23.5 Maximum LO Input VSWR f = 600MHz to 2500MHz, 50 source impedance Maximum Output Spurious Emissions fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz (Note 1) Turn-On Time Turn-Off Time 10.2 1.5 dB dB dBm dBm dB dBm 2.2 -57.3 dBm (Note 2) 2 s From SHDN low to ICC < 100A 2 s _______________________________________________________________________________________ 3 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 AC ELECTRICAL CHARACTERISTICS (continued) MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers AC ELECTRICAL CHARACTERISTICS (continued) (VCC = SHDN = +3.0V, TA = +25C, unless otherwise noted. Minimum and maximum values are guaranteed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS MAX2663 (PLO = -5dBm, PIFIN = -30dBm, Circuit of Figure 1) Conversion Gain Gain Variation Over Temperature Output Third-Order Intercept Output 1dB Compression Point Noise Figure (Single Sideband) LO Emission from RF Port fIF = 45MHz, fLO = 445MHz, fRF = 400MHz 2.0 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 3.4 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -0.1 2.1 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 1.4 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz, TA = -40C to +85C 1.1 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 0.7 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -1.4 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -2.8 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -12.3 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -13.3 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -14.3 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 10.7 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 12.2 fIF = 350MHz, fLO = 2100MHz, fRF = 2450MHz 12.7 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -22.7 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -21.0 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -21.6 4.2 1.8 dB dB dBm dBm dB dBm Maximum LO Input VSWR f = 600MHz to 2500MHz, 50 source impedance 2.1 Maximum Output Spurious Emissions fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz (Note 1) -67 dBm Turn-On Time (Note 2) 2 s Turn-Off Time From SHDN low to ICC < 100A 2 s MAX2671 (PLO = -10dBm, PIFIN = -30dBm, Circuit of Figure 1) Conversion Gain Gain Variation Over Temperature Output Third-Order Intercept Output 1dB Compression Point 4 fIF = 45MHz, fLO = 445MHz, fRF = 400MHz 10.0 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 11.2 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 6.7 9.3 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 8.9 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz, TA = -40C to +85C 1.1 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 9.6 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 8.3 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 9.4 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -5.5 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -6.4 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -6.0 _______________________________________________________________________________________ 11.9 1.3 dB dB dBm dBm 400MHz to 2.5GHz Upconverter Mixers (VCC = SHDN = +3.0V, TA = +25C, unless otherwise noted. Minimum and maximum values are guaranteed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS MAX2671 (PLO = -10dBm, PIFIN = -30dBm, Circuit of Figure 1) (continued) Noise Figure (Single Sideband) LO Emission from RF Port fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 9.3 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 10.7 fIF = 350MHz, fLO = 2100MHz, fRF = 2450MHz 11.3 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -40.3 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -35.7 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -36.8 dB dBm Maximum LO Input VSWR f = 600MHz to 2500MHz, 50 source impedance 2.2 dBm Maximum Output Spurious Emissions fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz (Note 1) -56 dBm Turn-On Time (Note 2) 2 s Turn-Off Time From SHDN low to ICC < 100A 2 s MAX2673 (PLO = -10dBm, PIFIN_ = -30dBm, Circuit of Figure 2) 12.6 fIF = 45MHz, fLO = 445MHz, fRF = 400MHz 12.3 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz Conversion Gain fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz Gain Variation Over Temperature Output Third-Order Intercept Output 1dB Compression Point Noise Figure (Single Sideband) LO Emission from RF Port 7.8 9.2 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 8.6 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz, TA = -40C to +85C 1.0 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 7.6 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 5.9 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz 4.5 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -2.1 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -5.9 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -8.3 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz 9.7 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz 10.1 fIF = 350MHz, fLO = 2100MHz, fRF = 2450MHz 10.4 fIF = 70MHz, fLO = 970MHz, fRF = 900MHz -29.4 fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz -27.9 fIF = 240MHz, fLO = 2210MHz, fRF = 2450MHz -26.6 Maximum LO Input VSWR f = 600MHz to 2500MHz, 50 source impedance Maximum Output Spurious Emissions fIF = 70MHz, fLO = 1830MHz, fRF = 1900MHz (Note 1) Turn-On Time Turn-Off Time 10.6 1.4 dB dB dBm dBm dB dBm 2.2 -59.7 dBm (Note 2) 2 s From SHDN low to ICC < 100A 2 s Note 1: Excluding LO harmonics and products of LO harmonics by first-order IF. Note 2: From SHDN high to output within 1dB of final output power, fRF = 900MHz, fIF = 70MHz. _______________________________________________________________________________________ 5 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 AC ELECTRICAL CHARACTERISTICS (continued) __________________________________________Typical Operating Characteristics (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) MAX2660 SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE 4.0 3.5 3.0 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6 5 TA = +85C 4 TA = +25C 3 2 10 MAX2660-04 fRF = 900MHz 7 5 4 fRF = 1900MHz fRF = 2450MHz 3 2 1 fIF fRF 900MHz fIF = fLO - fRF 1900MHz fIF = fRF - fLO 2450MHz fIF = fRF - fLO 0 -1 0 MAX2660 IF PORT IMPEDANCE vs. IF FREQUENCY 450 fRF = 2450MHz 0 -5 fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -20 250 -300 200 150 -400 100 REAL 100 200 300 IF FREQUENCY (MHz) 400 -500 500 1500 MAX2660-03 2000 2500 0 -5 0 5 -4 -6 -8 -10 -12 -14 -16 -18 -20 300 10 840 1380 1920 2460 MAX2660 RF PORT IMPEDANCE vs. RF FREQUENCY MAX2660 LO-to-RF AND RF-to-LO ISOLATION vs. LO OR RF FREQUENCY MAX2660-08 IMAGINARY -100 25 -200 24 -300 23 -400 600 500 -500 400 -600 300 -700 200 -800 -900 REAL 0 0 3000 -2 LO FREQUENCY (MHz) 100 0 1000 LO POWER (dBm) 700 REAL IMPEDANCE () -200 300 IMAGINARY IMPEDANCE () 350 0 -10 800 -100 50 -15 900 IMAGINARY 400 6 0 500 MAX2660 LO PORT RETURN LOSS vs. FREQUENCY fRF = 900MHz -25 0 5.5 MAX2660 CONVERSION GAIN vs. LO POWER IF FREQUENCY (MHz) MAX2660-07 5.0 -15 50 100 150 200 250 300 350 400 450 500 500 4.5 fIF 45MHz 70MHz 70MHz 240MHz fRF fRF = fLO - fIF fRF = fLO - fIF fRF = fLO + fIF fRF = fLO + fIF RF FREQUENCY (MHz) -10 -2 4.0 5.5V SUPPLY VOLTAGE (V) fRF = 1900MHz 5 CONVERSION GAIN (dB) CONVERSION GAIN (dB) 6 3.5 RF MATCH 400MHz 900MHz 1900MHz 2450MHz -4 -8 3.0 5.5V 5.5V -2 -10 2.5 5.5V 0 0 MAX2660 CONVERSION GAIN vs. IF FREQUENCY 8 2 1 VCC (V) 2.7V 4 -6 TA = -40C 2.7V 500 1000 1500 2000 RF FREQUENCY (MHz) 2500 -1000 3000 3000 MAX2660-09 TA = -40C CONVERSION GAIN (dB) 4.5 7 2.7V 2.7V 6 RETURN LOSS (dB) TA = +25C 8 8 IMAGINARY IMPEDANCE () ISOLATION (dB) ICC (mA) 5.0 10 MAX2660-02 TA = +85C SHDN = GND 9 MAX2660-05 5.5 10 SHUTDOWN SUPPLY CURRENT (A) MAX2660-01 6.0 MAX2660 CONVERSION GAIN vs. RF FREQUENCY MAX2660-06 MAX2660 SUPPLY CURRENT vs. SUPPLY VOLTAGE REAL IMPEDANCE () MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers RF-to-LO ISOLATION POWER INTO RF PORT = -25dBm 22 21 20 19 18 17 16 LO-to-RF ISOLATION POWER INTO LO PORT = -5dBm 15 500 1000 1500 2000 LO OR RF FREQUENCY (MHz) _______________________________________________________________________________________ 2500 400MHz to 2.5GHz Upconverter Mixers fRF = 2450MHz -30 fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -50 -50 TA = -40C 7.5 6.5 -40 -30 -20 -10 MAX2661toc02 7 6 TA = +85C 5 4 TA = +25C 3 TA = -40C 2 1 0 2.5 0 3.0 3.5 4.0 4.5 5.0 5.5 2.5 3.0 3.5 4.0 4.5 5.0 IF INPUT POWER (dBm) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) MAX2661 CONVERSION GAIN vs. RF FREQUENCY MAX2661 CONVERSION GAIN vs. IF FREQUENCY MAX2661 CONVERSION GAIN vs. LO POWER 6 VCC = 2.7V VCC = 2.7V RF MATCH 400MHz 900MHz 1900MHz 2450MHz 0 -2 -4 0 500 1000 fRF fRF = fLO - fIF fRF = fLO - fIF fRF = fLO + fIF fRF = fLO + fIF 1500 2000 fIF 45MHz 70MHz 70MHz 240MHz 2500 10 8 fRF = 2450MHz 6 fRF = 1900MHz 4 fIF fRF 900MHz fIF = fLO - fRF 1900MHz fIF = fRF - fLO 2450MHz fIF = fRF - fLO 2 15 fRF = 900MHz 10 fRF = 1900MHz 5 fRF = 2450MHz 0 fLO 970MHz 1830MHz 2210MHz fRF 900MHz 1900MHz 2450MHz -5 0 3000 5.5 MAX2661toc05 fRF = 900MHz CONVERSION GAIN (dB) 8 4 12 MAX2661toc04 VCC = 5.5V CONVERSION GAIN (dB) fIF 70MHz 70MHz 240MHz -10 0 50 100 150 200 250 300 350 400 450 500 -25 -20 -15 -10 -5 0 5 10 RF FREQUENCY (MHz) IF FREQUENCY (MHz) LO POWER (dBm) MAX2661 LO PORT RETURN LOSS vs. FREQUENCY MAX2661 IF PORT IMPEDANCE vs. IF FREQUENCY MAX2661 RF PORT IMPEDANCE vs. RF FREQUENCY 0 700 REAL IMPEDANCE () -2 -4 -6 -8 MAX2661toc07 800 MAX2661toc06 2 600 0 900 -50 800 -100 IMAGINARY 500 -150 REAL IMPEDANCE () CONVERSION GAIN (dB) 8.0 7.0 10 RETURN LOSS (dB) TA = +25C 8.5 SHDN = GND 8 6.0 12 2 9.0 9 600 -400 500 -500 400 -600 300 -700 300 -250 200 -300 -16 100 -350 100 -18 0 -400 50 100 150 200 250 300 350 400 450 500 0 -14 250 800 1350 1900 LO FREQUENCY (MHz) 2450 3000 REAL 0 IF FREQUENCY (MHz) -200 IMAGINARY -300 -200 -12 -100 700 400 -10 MAX2661toc08 200 -800 -900 REAL 0 500 1000 1500 2000 2500 -1000 3000 RF FREQUENCY (MHz) _______________________________________________________________________________________ 7 IMAGINARY IMPEDANCE () OUTPUT POWER -20 fRF = 1900MHz TA = +85C 10 SHUTDOWN SUPPLY CURRENT (A) fRF = 900MHz -40 9.5 SUPPLY CURRENT (mA) 0 fRF = 900MHz fRF = 1900MHz fRF = 2450MHz MAX2661toc01 CONVERSION GAIN -10 10.0 MAX2660-10 10 MAX2661 SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX2661 SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX2661toc03 OUTPUT POWER (dBm) AND CONVERSION GAIN (dB) MAX2660 CONVERSION GAIN AND OUTPUT POWER vs. IF INPUT POWER MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 Typical Operating Characteristics (continued) (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) Typical Operating Characteristics (continued) 22 LO-TO-RF ISOLATION POWER INTO LO PORT = -5dBm 20 18 16 fLO 970MHz 1830MHz 2210MHz fRF 900MHz 1900MHz 2450MHz 14 12 fIF 70MHz 70MHz 240MHz 10 500 750 1000 1250 1500 1750 2000 2250 2500 -15 fRF = 2450MHz -20 fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -25 -30 MAX2663toc1 TA = +25C 2.5 TA = -40C 2.0 1.5 1.0 -35 -30 -25 -20 -15 -10 -5 2.5 0 3.0 3.5 4.0 4.5 5.0 5.5 MAX2663 CONVERSION GAIN vs. RF FREQUENCY MAX2663 CONVERSION GAIN vs. IF FREQUENCY 5 4 TA = +85C 3 2 0 -2 VCC = +5.5V fRF RF MATCH 400MHz fRF = fLO - fIF 900MHz fRF = fLO - fIF 1900MHz fRF = fLO + fIF 2450MHz fRF = fLO + fIF -4 -6 TA = +25C 2 TA = -40C -8 -10 0 3.0 3.5 4.0 4.5 5.0 0 5.5 500 1000 1500 2000 fIF 45MHz 70MHz 70MHz 240MHz MAX2663toc04 VCC = +2.7V 4 fRF = 900MHz 3 2 CONVERSION GAIN (dB) 6 4 MAX2663toc03 6 CONVERSION GAIN (dB) 7 1 fRF = 2450MHz 0 -1 fRF = 1900MHz -2 -3 fIF fRF 900MHz fIF = fLO - fRF 1900MHz fIF = fRF - fLO 2450MHz fIF = fRF - fLO -4 -5 -6 2500 3000 0 100 200 300 400 500 SUPPLY VOLTAGE (V) RF FREQUENCY (MHz) IF FREQUENCY (MHz) MAX2663 CONVERSION GAIN vs. LO POWER MAX2663 LO PORT RETURN LOSS vs. LO FREQUENCY MAX2663 IF PORT IMPEDANCE vs. IF FREQUENCY 4 0 fRF = 2450MHz -4 fRF 900MHz 1900MHz 2450MHz -6 -8 -2 RETURN LOSS (dB) fRF = 1900MHz 0 fLO 970MHz 1830MHz 2210MHz fIF 70MHz 70MHz 240MHz -4 -6 -8 -10 -12 -14 -15 -10 -5 LO POWER (dBm) 0 5 10 IMAGINARY 700 -200 600 -300 500 -400 400 -500 300 -600 200 -700 -800 REAL 0 -18 -20 250 700 1150 1600 LO FREQUENCY (MHz) 2050 2500 0 -100 800 100 -16 -10 MAX2663toc07 900 REAL IMPEDANCE () fRF = 900MHz -2 2 MAX2663toc05 6 -25 3.0 MAX2663 SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE SHDN = GND 2.5 OUTPUT POWER fRF = 1900MHz -40 -35 MAX2663toc02 SHUTDOWN SUPPLY CURRENT (A) -10 TA = +85C SUPPLY VOLTAGE (V) 1 8 fRF = 1900MHz fRF = 900MHz -5 3.5 IF INPUT POWER (dBm) 8 2 0 fRF = 2450MHz LO OR RF FREQUENCY (MHz) 10 9 fRF = 900MHz 5 4.0 -900 0 100 200 300 IF FREQUENCY (MHz) _______________________________________________________________________________________ 400 500 IMAGINARY IMPEDANCE () 24 CONVERSION GAIN 10 MAX2663toc06 ISOLATION (dB) 26 15 MAX2663 SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY CURRENT (mA) RF-TO-LO ISOLATION POWER INTO RF PORT = -25dBm 28 MAX2661 CONVERSION GAIN AND OUTPUT POWER vs. IF INPUT POWER MAX2661toc10 30 MAX2661toc09 MAX2661 LO-to-RF AND RF-TO-LO ISOLATION vs. LO OR RF FREQUENCY OUTPUT POWER (dBm) AND CONVERSION GAIN (dB) (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) CONVERSION GAIN (dB) MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers 400MHz to 2.5GHz Upconverter Mixers -400 500 -500 400 -600 300 -700 -800 200 100 0 500 1000 1500 2000 LO-TO-RF ISOLATION POWER INTO LO PORT = -5dBm 20 15 10 -1000 2500 fLO 970MHz 1830MHz 2210MHz fRF 900MHz 1900MHz 2450MHz 5 -900 REAL 0 25 ISOLATION (dB) 600 RF-TO-LO ISOLATION POWER INTO RF PORT = -25dBm 30 0 500 1000 fIF 70MHz 70MHz 240MHz 1500 2000 CONVERSION GAIN fRF = 900MHz 0 -5 fRF = 2450MHz fRF = 1900MHz -10 -15 fRF = 900MHz -20 -25 fRF = 1900MHz -30 -35 OUTPUT POWER fRF = 2450MHz fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -40 -45 -50 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 2500 0 IF INPUT POWER (dBm) MAX2671 SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX2671 SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX2671 CONVERSION GAIN vs. RF FREQUENCY TA = -40C 11 10 9 8 7 6 5 TA = +85C 4 TA = +25C 3 2 TA = -40C 0 2.5 3.0 3.5 4.0 4.5 5.0 0 3.0 3.5 4.0 4.5 5.0 5.5 0 500 1000 fRF fRF = fLO - fIF fRF = fLO - fIF fRF = fLO + fIF fRF = fLO + fIF 1500 2000 fIF 45MHz 70MHz 70MHz 240MHz 2500 3000 MAX2671 CONVERSION GAIN vs. IF FREQUENCY MAX2671 CONVERSION GAIN vs. LO POWER MAX2671 LO PORT RETURN LOSS vs. LO FREQUENCY fIF fRF 900MHz fIF = fLO - fRF 1900MHz fIF = fRF - fLO 2450MHz fIF = fRF - fLO 0 50 100 150 200 250 300 350 400 450 500 fRF = 900MHz 6 fRF = 1900MHz 4 fRF = 2450MHz 0 -2 -4 -6 -8 fRF 900MHz 1900MHz 2450MHz fLO 970MHz 1830MHz 2210MHz fIF 70MHz 70MHz 240MHz MAX2671toc06 MAX2671toc05 8 2 2 0 -2 RETURN LOSS (dB) 4 10 CONVERSION GAIN (dB) fRF = 1900MHz IF FREQUENCY (MHz) 12 MAX2671toc04 fRF = 2450MHz 0 RF MATCH 400MHz 900MHz 1900MHz 2450MHz RF FREQUENCY (MHz) 10 2 VCC = +2.7V 2 SUPPLY VOLTAGE (V) fRF = 900MHz 6 4 SUPPLY VOLTAGE (V) 12 8 6 -4 2.5 5.5 8 -2 1 8 VCC = +5.5V 10 CONVERSION GAIN (dB) TA = +25C SHDN = GND 9 12 MAX2671toc02 12 MAX2671toc01 13 TA = +85C 10 MAX2671toc03 LO AND RF FREQUENCY (MHz) 14 CONVERSION GAIN (dB) 10 5 RF FREQUENCY (MHz) SHUTDOWN SUPPLY CURRENT (A) REAL IMPEDANCE () -300 IMAGINARY IMPEDANCE () IMAGINARY 700 SUPPLY CURRENT (mA) 35 -200 MAX2663 CONVERSION GAIN AND OUTPUT POWER vs. IF INPUT POWER MAX2663toc10 -100 800 OUTPUT POWER (dBm) AND CONVERSION GAIN (dB) MAX2663toc08 900 MAX2663toc09 MAX2663 LO-TO-RF AND RF-TO-LO ISOLATION vs. LO AND RF FREQUENCY MAX2663 RF PORT IMPEDANCE vs. RF FREQUENCY -4 -6 -8 -10 -12 -14 -16 -18 -35 -30 -25 -20 -15 -10 -5 LO INPUT POWER (dBm) 0 5 10 250 800 1350 1900 2450 3000 LO FREQUENCY (MHz) _______________________________________________________________________________________ 9 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 Typical Operating Characteristics (continued) (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) Typical Operating Characteristics (continued) (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) 600 -100 500 -150 400 -200 -400 300 -500 200 -600 -350 100 -700 -400 500 0 -300 REAL 200 300 400 2000 2500 22 RF-TO-LO ISOLATION POWER INTO RF PORT = -25dBm 20 -800 3000 18 500 1000 1500 2000 2500 OUTPUT POWER fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -40 -50 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 22 TA = +85C 21 TA = +25C 20 19 TA = -40C 18 10 SHUTDOWN SUPPLY CURRENT (A) fRF = 900MHz -30 23 SUPPLY CURRENT (mA) fRF = 2450MHz fRF = 1900MHz 24 MAX2673toc01 CONVERSION GAIN 17 SHDN = GND 8 7 6 TA = +85C 5 4 TA = -40C 3 2 TA = +25C 1 0 16 0 9 MAX2673toc02 MAX2673 SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE fRF = 2450MHz 2.5 3.0 3.5 4.0 4.5 5.0 2.5 5.5 3.0 3.5 4.0 4.5 5.0 IF INPUT POWER (dBm) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) MAX2673 CONVERSION GAIN vs. RF FREQUENCY MAX2673 CONVERSION GAIN vs. IF FREQUENCY MAX2673 CONVERSION GAIN vs. LO POWER 10 8 6 VCC = +5.5V 4 fRF RF MATCH 400MHz fRF = fLO - fIF 900MHz fRF = fLO - fIF 1900MHz fRF = fLO + fIF 2450MHz fRF = fLO + fIF 2 0 -2 500 1000 1500 2000 RF FREQUENCY (MHz) fIF 45MHz 70MHz 70MHz 240MHz 2500 3000 12 fRF = 1900MHz 10 8 fRF = 2450MHz 6 4 fIF fRF 900MHz fIF = fLO - fRF 1900MHz fIF = fRF - fLO 2450MHz fIF = fRF - fLO 2 0 -2 0 14 50 100 150 200 250 300 350 400 450 500 IF FREQUENCY (MHz) 5.5 MAX2673toc05 VCC = +2.7V fRF = 900MHz 12 CONVERSION GAIN (dB) 12 14 MAX2673toc04 VCC = +2.7V CONVERSION GAIN (dB) 14 10 1500 24 MAX2673 SUPPLY CURRENT vs. SUPPLY VOLTAGE fRF = 900MHz 0 1000 26 MAX2671 CONVERSION GAIN AND OUTPUT POWER vs. IF INPUT POWER 10 -20 500 28 LO AND RF FREQUENCY (MHz) fRF = 1900MHz -10 0 30 RF FREQUENCY (MHz) 20 0 REAL LO-TO-RF ISOLATION POWER INTO LO PORT = -10dBm IF FREQUENCY (MHz) MAX2671toc10 OUTPUT POWER (dBm) AND CONVERSION GAIN (dB) 100 32 400 200 0 -200 -300 -250 0 34 500 300 100 IMAGINARY -100 ISOLATION (dB) 600 MAX2671toc08 IMAGINARY IMPEDANCE () -50 REAL IMPEDANCE () IMAGINARY 700 MAX2673toc03 REAL IMPEDANCE () 700 0 IMAGINARY IMPEDANCE () MAX2671toc07 800 MAX2671 LO-TO-RF AND RF-TO-LO ISOLATION vs. LO or RF FREQUENCY MAX2671 RF PORT IMPEDANCE vs. RF FREQUENCY MAX2671toc09 MAX2671 IF PORT IMPEDANCE vs. IF FREQUENCY CONVERSION GAIN (dB) MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers fRF = 900MHz 10 8 fRF = 2450MHz 6 fRF = 1900MHz 4 fRF 900MHz 1900MHz 2450MHz 2 0 -25 -20 -15 -10 fLO 970MHz 1830MHz 2210MHz -5 LO POWER (dBm) ______________________________________________________________________________________ fIF 70MHz 70MHz 240MHz 0 5 10 400MHz to 2.5GHz Upconverter Mixers -2 50 0 600 REAL REAL IMPEDANCE () RETURN LOSS (dB) -4 MAX2673toc07 700 MAX2673toc06 0 MAX2673 IF PORT IMPEDANCE vs. IF FREQUENCY -6 -8 -10 -12 -14 500 -50 400 -100 300 -150 200 -200 -16 IMAGINARY -20 0 250 800 1350 1900 2450 3000 0 -300 50 100 150 200 250 300 350 400 450 500 IF FREQUENCY (MHz) MAX2673 RF PORT IMPEDANCE vs. RF FREQUENCY MAX2673 LO-to-RF ISOLATION AND RF-to-LO ISOLATION vs. LO OR RF FREQUENCY 45 -100 40 IMAGINARY 250 -200 200 -300 150 -400 100 -500 0 0 500 1000 1500 2000 2500 25 20 15 RF-TO-LO ISOLATION POWER INTO RF PORT = -25dBm 10 -600 REAL 30 5 -700 3000 0 500 900 OUTPUT POWER (dBm) AND CONVERSION GAIN (dB) RF FREQUENCY (MHz) 1300 1700 2100 2500 LO OR RF FREQUENCY (MHz) MAX2673 CONVERSION GAIN AND OUTPUT POWER vs. IF INPUT POWER 20 MAX2673toc10 50 LO-TO-RF ISOLATION POWER INTO LO PORT = -10dBm 35 ISOLATION (dB) 300 0 IMAGINARY IMPEDANCE () MAX2673toc08 MAX2673toc09 LO FREQUENCY (MHz) 350 REAL IMPEDANCE () -250 100 -18 IMAGINARY IMPEDANCE () MAX2673 LO PORT RETURN LOSS vs. LO FREQUENCY CONVERSION GAIN fRF = 900MHz 10 0 -10 -20 fRF = 1900MHz fRF = 2450MHz fRF = 900MHz fRF = 1900MHz OUTPUT POWER fRF = 2450MHz -30 -40 fIF fLO fRF 900MHz 970MHz 70MHz 1900MHz 1830MHz 70MHz 2450MHz 2210MHz 240MHz -50 -40 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 IF INPUT POWER (dBm) ______________________________________________________________________________________ 11 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 Typical Operating Characteristics (continued) (VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673), PIFIN = -30dBm, TA = +25C, unless otherwise noted.) MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers Pin Description PIN MAX2660 MAX2661 MAX2663 MAX2671 MAX2673 1 12 NAME FUNCTION 1 LO Local-Oscillator Input. Apply a local-oscillator signal with an amplitude of -10dBm to +5dBm for the MAX2671/MAX2673 or -5dBm to +2dBm for the MAX2660/ MAX2661/ MAX2663. AC-couple to the oscillator with a DC blocking capacitor. Nominal DC voltage is VCC - 0.4V to VCC - 1.0V. 2 2, 6 GND Mixer Ground. Connect to the ground plane with a low-inductance connection. 3 7, 8 IFIN Intermediate Frequency Input. AC-couple to the input signal with a DC blocking capacitor. Nominal DC voltage is 1.37V. 4 5 RFOUT Radio Frequency Output. Open-collector output requires an inductor to VCC that is part of an impedance-matching network. AC-couple to this pin using a blocking capacitor that can be part of the impedance-matching network. See Applications Information for details on impedance matching. 5 4 VCC Voltage Supply Rail, +2.7V to +5.5V. Bypass with a capacitor to the ground plane. Capacitor value depends on desired operating frequency. 6 3 SHDN Active-Low Shutdown Pin. Drive low to deactivate all part functions and reduce the supply current to less than 1A. For normal operation, drive high or connect to VCC. ______________________________________________________________________________________ 400MHz to 2.5GHz Upconverter Mixers Power Supply and SHDN Bypassing The MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 are 2.5GHz double-balanced upconverter mixers designed to provide optimum linearity performance for a specified supply current. These upconverter mixers use single-ended RF, LO, and IF port connections, except for the MAX2673, which uses a differential IF port. An on-chip bias cell provides a low-power shutdown feature. See the Selector Guide for device features and comparison. Proper attention to supply bypassing is essential for a high-frequency RF circuit. Bypass V CC with a 10F capacitor in parallel with an RF capacitor (Table 2). Use separate vias to the ground plane for each of the bypass capacitors and minimize trace length to reduce inductance. Use separate vias to the ground plane for each ground pin. Use low-inductance ground connections. Decouple SHDN with a 100pF capacitor to ground to minimize noise on the internal bias cell. Use a series resistor (typically 100) to reduce coupling of high-frequency signals into the SHDN pin. __________Applications Information Local-Oscillator (LO) Input The LO input is a single-ended broadband port with a return loss of better than 8dB from 600MHz to 2.5GHz. The LO signal is mixed with the input IF signal, and the resulting upconverted output appears on the RFOUT pin. AC-couple the LO pin with a capacitor having less than 3 reactance at the LO frequency. The MAX2671/MAX2673 include an internal LO buffer and require an LO signal ranging from -10dBm to +5dBm, while the MAX2660/MAX2661/MAX2663 require an LO signal ranging from -5dBm to +2dBm. IF Input The MAX2660/MAX2661/MAX2663/MAX2671 have a single-ended IF input port, while the MAX2673 has a differential IF input port for high-performance interfaceto-differential IF filters. AC-couple the IF pin(s) with a capacitor. The typical IF input frequency range is 40MHz to 500MHz. For further information, see the IF Port Impedance vs. IF Frequency graph in the Typical Operating Characteristics. RF Output The RF output frequency range extends from 400MHz to 2.5GHz. RFOUT is a high-impedance, open-collector output that requires an external inductor to V CC for proper biasing. For optimum performance, implement an impedance-matching network. The configuration and values for the matching network depend on the frequency, performance, and desired output impedance. For assistance in choosing components for optimal performance, see Table 1 as well as the RF Output Impedance vs. RF Frequency graph in the Typical Operating Characteristics. ______________________Layout Issues A well-designed PC board is an essential part of an RF circuit. For best performance, pay attention to powersupply issues as well as to the layout of the RFOUT matching network. Power-Supply Layout To minimize coupling between different sections of the IC, the ideal power-supply layout is a star configuration with a large decoupling capacitor at a central V CC node. The V CC traces branch out from this central node, each going to a separate VCC node in the PC board. At the end of each trace is a bypass capacitor that has low ESR at the RF frequency of operation. This arrangement provides local decoupling at each VCC pin. At high frequencies, any signal leaking out of one supply pin sees a relatively high impedance (formed by the VCC trace inductance) to the central VCC node, and an even higher impedance to any other supply pin, as well as a low impedance to ground through the bypass capacitor. Impedance-Matching Network Layout The RFOUT matching network is very sensitive to layout-related parasitics. To minimize parasitic inductance, keep all traces short and place components as close as possible to the chip. To minimize parasitic capacitance, use cutouts in the ground plane (and any other plane) below the matching network components. ______________________________________________________________________________________ 13 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 _______________Detailed Description MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers Table 1. RF Output Impedance RF OUTPUT IMPEDANCE () PART MAX2660 AT 400MHz 480-j732 AT 900MHz 126-j459 AT 1900MHz 65-j190 MAX2661 MAX2663 AT 2450MHz 46-j124 357-j649 92-j375 54-j152 38-j99 485-j718 130-j453 65-j188 45-j123 MAX2671 333-j613 82-j360 46-j150 31-j95 MAX2673 220-j530 70-j290 35-j110 32-j70 Table 2. Typical Operating Circuit (External Component Values) COMPONENT VALUE AT A GIVEN FREQUENCY (MHz) MAX2660 COMPONENT MAX2661/MAX2671 AT AT 1900 2450 MAX2663 MAX2673 AT 400 AT 900 AT 1900 AT 2450 AT 400 AT 900 AT 1900 AT 2450 AT 400 AT 900 3.3 Short 33 8.2 3.3 Short 33 8.2 3.3 Short 27 5.6 3.9 2.7 2.2 39 18 2.7 1.8 39 18 1.8 1.8 39 18 4.7 6.8 47 47 47 470 47 47 47 470 47 47 47 3.3 220 10 15 3.3 220 220 15 3.3 220 100 220 3.3 220 100 220 6.8 1.5 1.5 1 C5 (pF) 6.8 1 1.5 Open 6.8 1 1.5 Open 6.8 1.8 1.8 Open 470 47 47 47 C6 (pF) 470 47 47 15 470 47 100 47 470 47 100 47 470 100 100 100 AT 400 AT 900 L1 (nH) Short 33 8.2 L2 (nH) 39 18 C3 (pF) 470 C4 (pF) AT AT 1900 2450 Functional Diagram LO MAX2660 MAX2661 MAX2663 LO MAX2671 MAX2673 MAX2660 MAX2661 MAX2663 MAX2671 MAX2673 VCC BIAS SHDN GND IFIN+ RFOUT IFINMAX2673 ONLY 14 ______________________________________________________________________________________ 400MHz to 2.5GHz Upconverter Mixers C1 220pF 1 LO INPUT 2 C2 220pF 3 IF INPUT SHDN LO GND IFIN MAX2660 MAX2661 MAX2663 MAX2671 VCC 6 C8 100pF SHUTDOWN CONTROL R1 100 5 C3* RFOUT 4 C4* L1* L2* *THE VALUES OF L1, L2, C3, C4, C5, AND C6 DEPEND ON THE RF FREQUENCY AND PART NUMBER. SEE TABLE 2. VCC +3.0V C6* C1 220pF 1 LO INPUT 2 SHUTDOWN CONTROL 3 R2 100 4 C8 100pF IFIN+ LO GND SHDN VCC MAX2673 IFINGND RFOUT C9 10F C2 220pF 8 7 RF OUTPUT C5* C10 22pF IF INPUT C7 220pF 6 5 C5** C3** RF OUTPUT L1** **THE VALUES OF L1, L2, C3, C4, C5, AND C6 DEPEND ON THE RF FREQUENCY. SEE TABLE 2. L2** C4** VCC +3.0V C9 10F C6** ______________________________________________________________________________________ 15 MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 Typical Operating Circuits 6LSOT.EPS ________________________________________________________Package Information 8LUMAXD.EPS MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 400MHz to 2.5GHz Upconverter Mixers 16 ______________________________________________________________________________________