EURO QUARTZ EMW14T Series TCXO HCMOS 14 pin DIL, 'W' Group 14 pin DIL, hermetically-sealed package Frequency range: 200.01MHz to 800.0MHz Supply voltage 3.3 Volts Frequency stability from 1ppm over -30 to +75C EMW14T - OUTLINES AND DIMENSIONS DESCRIPTION EMW14T series TCXOs are packaged in a standard 14 pin DIL package. With squarewave (CMOS) output, tolerances are available from 1.0ppm over -30 to +75C. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance: Standard Frequencies: EMW14T VEMW14T 200.01MHz to 800.0MHz Squarewave, HCMOS <2.0ppm at +252C 200.0, 204.8, 311.04, 400.0, 409.6 and 622.08MHz (Partial list) Not implemented (see table) (see table) 1.0 ppm max. first year 0.3 ppm max. 5% change 0.3 ppm max. 10% change 1.0ppm max. for one reflow (Measured after 24 hours) +3.3 Volts Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 65mA max. (Freq. dependant) 1.2ns typical 50%5% 5ms typical, 10ms max. See table below 15pF -55~+125C Mechanical Frequency Tuning: Operating Temperature Range: Frequency Stability vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow (SMD type): Supply Voltage: Output Logic Levels: Current Consumption: Rise and Fall Times: Duty Cycle: Start-up Time: Current Consumption: Output Load: Storage Temperature: VEMW14T VOLTAGE CONTROL SPECIFICATION Control Voltage: Standard = +1.51.0Volts for all input voltages. (Contact technical sales if +2.52.0 Volts is required.) Frequency Deviation: 6.0 ppm min. (Vcon = +4.5V1.0V) Slope Polarity: Positive (increase of control voltage increases output frequency.) Input Impedance: 2M minimum Modulation Bandwidth: 25kHz minimum Linearity: 10% maximum SSB PHASE NOISE at 25C Offset FREQUENCY STABILITY Stability (ppm) Temp. Range (C) P 0.5 1.0 1.5 2.0 2.5 3.0 0 ~ +50 P P P P P P -10 ~ +60 ASK P P P P P -20 ~ +70 X P P P P P -30 ~ +75 X P P P P P -40 ~ +85 X X X ASK ASK P = available, x = not available, ASK = call Technical Sales Part = EMW14T33 10Hz 100Hz 1kHz 10kHz 100kHz -50 -77 -102 -115 -108 at 622.080MHz (dBc/Hz) PART NUMBERING SCHEDULE Example: EMW14T33-409.60-2.5/-30+75 Series Description TCXO = EMW14T VCTCXO = VEMW14T Supply Voltage 33 = 3.3 VDC Frequency (MHz) Stability over OTR (ppm) Operating Temperature Range (OTR) (C) Lower and upper limits EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk