ULN SAW Oscillator OCSO for ground applications SR B650 1000 MHz

Product catalog summary

Product Description
The SR B650 is an Ultra Low Noise (ULN) Oven Controlled Voltage Controlled SAW Oscillator (OCVCSO) operating at 1000 MHz. It is designed for use in laboratory environments, including test equipment and ground-based military applications. The device is housed in a package measuring 95.25mm x 76.2mm x 23.27mm.

Features

Phase noise of -130 dBc/Hz at 1 kHz offset (typical).
Noise floor below -170 dBc/Hz (typical).
Broadband jitter less than 5 femtoseconds (fs) for offset frequencies from 10 kHz to 40 MHz.

Applications

Instrumentation and test equipment.
Ground-based military equipment compliant with MIL-PRF-28800F, Class 3.
1 GSPS clock for ADCs up to 16 bits.

Specifications
1. Environmental Conditions

Operating temperature range: 0 to 50°C.
Storage temperature range: -40 to 85°C.
Shock and vibration as per MIL-PRF-28800F, Class 3.

2. Electrical Interface

Supply voltage: 11.8 to 12.2 V.
Load impedance: 50 Ω.
Control voltage: 2 to 7 V.
Input impedance: Minimum 10 kΩ.

3. Performance

Nominal frequency: 1000 MHz.
Frequency calibration at 25°C: ±0.5 ppm max.
Frequency stability over temperature: ±1 ppm max.
Long-term stability: ±1 ppm/year after 30 days of continuous operation.
Power consumption: 9 W max during warm-up, 4.2 W max at 25°C.
Warm-up time: 5 minutes max to ±1 ppm.
Frequency tuning: Monotone and positive slope, ±3 ppm min.
Output waveform: Sine wave into 50Ω load, 5 to 7 dBm.
Single Side Band Phase Noise: -130 dBc/Hz at 1 kHz offset, -158 dBc/Hz at 10 kHz offset, < -170 dBc/Hz at 1 MHz offset.
Harmonic distortion: -30 dBc max for second and third harmonics, -80 dBc max for non-harmonics.
Time jitter: < 200 fs over full offset range from 10 Hz to 40 MHz, < 5 fs broadband from 10 kHz to 40 MHz.

4. Mechanical Features
The oscillator is enclosed in a specified mechanical outline.

5. Pin Description