EM44GT - EUROQUARTZ limited

EM44GT CMOS 4 pad SMD kHz Range

EM44GT series TCXOs are packaged in a miniature 4 pad ceramic SMD package. With squarewave (CMOS) output, tolerances are available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance Models with mech. trimmer: Mode.

Features

o 50.0kHz Squarewave <1.0ppm (at t. 25°±2°C) <2.0ppm (at t. 25°±2°C) See table ±1.0 ppm max. first year ±0.3 ppm max. ±5% change ±0.3 ppm max. ±10% change ±1ppm max. for one reflow (Measured after 24 hours) +3.3 or +5.0Volts (Specify when ordering) Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 10ns max. 50%±5% 2ms typical, 5ms max. See table below 15pF -55~+125°C VEM44GT VOLTAGE CONTROL SPECIFICATION Control Voltage: FREQUENCY STABILITY Frequency Stability (ppm) 0 ~ +50 -10 ~ +60 Temperature Range (°C) -20 ~ +70 -30 ~ +75 -40 ~ +85 P ±0.5 ASK x x x x ±1.0 P P x x x ±1.5 P P P x x ±2.0 P P P.