Crystal Oscillator Model Name 9740C Oven-Controlled Crystal Oscillator (OCXO) 9700 Series n Main Application Mobile communication base station n Features l Excellent phase noise characteristics. (Compared to NDK’ s existing products, phase noise characteristics have improved by 10 dB with the offset frequency at 1 kHz or more.) l Excellent aging characteristics. n Specifications Model Classification Item 9740C CDE01 Output frequency (MHz) BDE01 5 10 Operating temperature range −10 to +60°C Power supply voltage DC+12V±10% Consumption current 4.5Wmax Output level 1mWmin (0dBm min) 5mWmin (+7dBm min) Load 50Ω ±5×10−10max/day, ±2×10−8max/year *1 Aging ±2×10−9max/day, ±8×10−8max/year *1 −8 Frequency / temperature characteristics ±2×10 max/−10 to +60°C Power supply variation characteristics ±2×10−9max/DC+12V±10% ±3×10−7min/0.5 to +9.5V Frequency control characteristic ±1×10−6min/0.5 to +9.5V −8 Frequency warm-up characteristic ±5×10 max (+25°C in 20 minutes after power is on) Case code 40C *1 It is based on frequency after 48 hours operation. n Reference Value Offset frequency Phase noise dBc/Hz BDE01 −100 max. −90 max. 10 Hz −130 max. −120 max. 100 Hz −140 max. −140 max. 1k Hz −150 max. −150 max. 10k Hz −155 max. −155 max. n Dimensions n List of Ordering Codes 40C mm 40.0±1.0 40.0±1.0 PIN Connections #1 #2 #3 #4 #5 #1 #2 (1) 24.5max #5 VCC GND VCONT GND OUTPUT #3 Frequency (MHz) Ordering Code 5 9740C-5M-NSA3276A 10 9740C-10M-NSA3276B The above frequencies are NDK’ s standard frequencies. Frequencies other than the above are available. Feel free to contact our sales representatives. 30.48±0.25 STAND OFF (6POINTS) 6±1 CDE01 1 Hz #4 (20.32) 30.48±0.25 5-Φ0.8±0.1 Tolerance ±1.0mm co49_080418_9740C_e1