1000B
Ultra stable, high performance crystal oscillator for precision time and frequency
The Symmetricom 1000B Ultra-Stable Crystal Oscillator delivers extremely low aging rates, superior temperature stability, low phase noise, four independently buffered outputs and linearized electronic frequency control for fine frequency tuning.
Low Aging Rates
Using high-performance SC-cut quartz crystal resonators, the 1000B exhibits aging rates as low as 1E-12 per day after years of continuous operation. The specified aging is reached within 30 days of continuous operation, and typically continues to improve over time.
Superior Temperature Stability
A dewar-insulated oven provides superior temperature stability over the full temperature range. The maximum frequency change over the operating temperature range is <5E-9. An oven temperature indicator (10mV per degree K) is provided at the power connector.
Low Phase Noise
The oscillator circuit produces phase noise of -116 dBc at 1 Hz and -160 dBc at 10 kHz. Low noise, high isolation buffer amplifiers provide four independent outputs. The buffer amplifiers isolate outputs from load variations. An internal voltage regulator minimizes fluctuations due to power supply ripple.
Fine Frequency Tuning
Linearized electronic frequency control allows the use of servo loop techniques for fine frequency tuning. Linearity is better than 5% over the specified tuning range.
