Product Description
The SR F03 is an Ultra Low Noise (ULN) Oven Controlled Voltage Controlled SAW Oscillator (OCVCSO) operating at 1000 MHz. It consists of a 500 MHz SAW Oscillator followed by a frequency doubler, designed for airborne environments with vibration and shock absorbers. The package dimensions are 70mm x 70mm x 34.75mm.

Features
- Typical phase noise of -130 dBc/Hz at 1 kHz offset
- Noise floor below -170 dBc/Hz

Applications
- Airborne radars

Specifications
Environmental Conditions
- Operating temperature: -20 to 70 °C
- Storage temperature: -40 to 85 °C
- Shock resistance: 30 g, 11 ms
- Vibration: 0.02 g²/Hz (10 to 1000 Hz), 0.005 g²/Hz (1 to 2 kHz)
- Humidity: 93% RH at 60 °C
- Low pressure & temperature: 120 hPa (-40 to 55 °C)
- Constant acceleration: 18 g in all directions

Electrical Interface
- Supply voltage: 12 ± 0.2 V
- Load impedance: 50 ± 5% Ω
- Control input: 2 to 10 V
- BIT status: TTL logic level

Performance
- Nominal frequency: 1000 MHz
- Frequency calibration: ±0.5 ppm at 25°C
- Frequency stability over temperature: ±3 ppm
- Long-term stability: ±1 ppm/year
- Voltage tuning range: 2 to 10 V
- Frequency tuning: ±6 ppm
- Positive slope: 1 to 3 ppm/V
- Power consumption: 12 W (warm-up), 4.5 W (25 °C)
- Warm-up time: 5 minutes
- Output waveform: Sine wave, 8 to 10 dBm

Phase Noise
- 1 kHz offset: -130 dBc/Hz
- 10 kHz offset: -158 dBc/Hz
- 1 MHz offset: < -170 dBc/Hz
- Harmonic distortion: -30 dBc (Fn/2 and harmonics), -80 dBc (non-harmonics)

BIT Output
- Interface: TTL level
- Logic 1: Oscillator ready
- Logic 0: Alarm

Mechanical Features
- Detailed mechanical outline provided

Pin Description
- Pin 1: Frequency output
- Pin 2: Supply voltage
- Pin 3: BIT status
- Pin 4: Control input