FUJITSU MEDIA DEVICES SAW RESONATOR F91SM APPLICATIONS PACKAGE DIMENSION Carrier oscillators in RF Modulators for VCR, BS tuner, CATV, etc. 12.5 MAX Unit mm 7.7 MAX SYSTEM NTSC JAPAN [USA] CHANNEL 11 [13] CH (211.25 MHz) Pin No. #1. NC #2. Output #3. Ground #4. Output Adjustment free Two channels in one Single Inline Package Direct fundamental oscillation No spurious response Small size and light weight High reproducibility High reliability #4 Type #1 2.2 0.5 2.5 0.5 pitch PIN CONNECTIONS F91SM Unit Resonant frequency (1) fr 211.22 0.15 MHz Resonant loss (1) Ar 1.8 Max. dB Parallel capacitance (2) CTE 2.4 1.0 pF -18 ppm/C Temp. coeff. of frequency (-20C to 70C) #2 o 0.5 0.05 ELECTRICAL CHARACTERISTICS (Ta=25 oC unless otherwise noted) Item #3 8.0 0.8 (1) (2) (3) (4) (5) (6) (7) 3.7 MAX FEATURES: Bottom View EQUIVALENT CIRCUITS Note (1) Measured in a 50-ohm system (2) Measured at frequency of 1 MHz L1 CTE C1 R1 MAXIMUM RATINGS Operating Temperature ................ -10 to 60 oC Storage Temperature ................... -55 to 85 oC DC Voltage.................................................. 3V Driving power ....................................... 0.2mW Driving current ...................................... 1.5mA information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by * The Fujitsu Media Devices for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Fujitsu Media Devices or others. information contained herein may be changed without prior notice. It is therefore advisable to contact Fujitsu Media Devices before proceeding * The with the design of equipment incorporating this product. No. F91SM 2002-04-01 TYPICAL FREQUENCY TRANSMISSION CHARACTERISTICS (F81U) MEASUREMENT CIRCUIT 50 50 10 dB/div 90/div 200 kHz/div fr A MODULATOR CIRCUIT EXAMPLE USING A SAW RESONATOR 15 0.01 1.2 k 500 k 300 14 13 12 500 k 10 P 3k 16 F91KM 1000 P 1 510 510 VIDEO IN 1000 P 0.01 6.2 V 10 P 11 10 6 7 9 300 51 P GND 4.5 MHz TANK 8 820 P SOUND IN 13k 22k + 6.2 100 k CARRIER BALANCE 1 6.8k 0.01 CH.SW 5 1 220 150 2 51k 180 TRAP 4 1 39P 8P 150 Vcc 3 82 3k B.P.F. 8P RF OUT TA7673P/F GND 1 2 100 k FUJITSU MEDIA DEVICES LTD.