ULN SAW Oscillator OCSO for airborne applications SR D02 500 MHz

Product catalog summary

Product Description
The SR D02 is an Ultra Low Noise (ULN) Phase Locking (PL) Oven Controlled, Voltage Controlled, SAW Oscillator (OCVCSO) operating at 500 MHz. It can phase-lock to an external 10 MHz reference and is designed for airborne environments. The oscillator includes vibration and shock absorbers and is housed in a 70mm x 70mm x 34.75mm package. It supports three operating modes: Free running, Voltage controlled, and Phase Lock Loop.

Features

Phase noise: -140 dBc/Hz at 1 kHz offset (typical)
Noise floor: < -180 dBc/Hz (typical)

Applications

Airborne radars

Specifications
Environmental Conditions

Operating temperature: -40 to 70°C
Storage temperature: -40 to 85°C
Shock: 30g, 11ms
Random vibration: 0.02g²/Hz (10 to 1000Hz), 0.005g²/Hz (1 to 2kHz)
Humidity: 93% RH at 60°C (MIL-STD-810F)
Low pressure & temperature: 120hPa (-40 to 55°C)
Constant acceleration: 18g in all directions

Electrical Interface

Supply voltage: 11.8 to 12.2 V
Load impedance: 50 Ω
Control Input: 2 to 7 V or 10 MHz
BIT status: On/Off logic

Performance

Nominal frequency: 500 MHz
Frequency calibration: ±0.5 ppm at 25°C
Frequency stability over temperature: ±1 ppm
Long term stability: ±1 ppm/year
Voltage range: 2 to 7 V
Frequency tuning: ±3 ppm
Slope: 1 to 2 ppm/V
Nominal Control Input frequency: 10 MHz
Relative frequency stability: < ±0.3 ppm
Input level: 10 to 13 dBm
Harmonics suppression: 30 dBc
Output frequency: 50 x Ref. frequency
Power consumption: 8.5 W (warm-up), 3.6 W (25°C)
Warm-up time: 5 minutes
Output waveform: Sine wave, 11.5 to 13.5 dBm
Phase Noise: -140 dBc/Hz (1kHz offset), -165 dBc/Hz (10kHz offset), < -180 dBc/Hz (1MHz offset)
Harmonic distortion: -30 dBc (second and third harmonics), -80 dBc (non-harmonics)