ULN SAW Oscillator OCSO for ground applications SR E03 640 MHz

Product catalog summary

Product Description
The SR E03 is an Ultra Low Noise (ULN) Oven Controlled Voltage Controlled SAW Oscillator (OCVCSO) operating at 640 MHz. It is designed for ground-based applications such as lab test equipment and military equipment. The device is housed in a package measuring 95.25mm x 76.2mm x 23.27mm.

Features

Phase noise of -144 dBc/Hz at 1 kHz offset (typical).
Noise floor below -172 dBc/Hz (typical).

Applications

Instrumentation and test equipment.
Ground-based military equipment compliant with MIL-PRF-28800F, Class 3.

Specifications
Environmental Conditions

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

Electrical Interface

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

Performance

Nominal frequency: 640 MHz.
Frequency calibration at 25°C: ±0.5 ppm.
Frequency stability over temperature: ±2 ppm.
Long-term stability: ±1 ppm/year after 30 days of continuous operation.
Power consumption: 9 W during warm-up, 4.2 W at 25°C.
Warm-up time: 5 minutes to ±1 ppm.
Frequency tuning: ±6 ppm with a slope of 1 to 3 ppm/V.
Output waveform: Sine wave into 50Ω load, 8 to 10 dBm.
Single Side Band Phase Noise: -144 dBc/Hz at 1 kHz offset, -165 dBc/Hz at 10 kHz offset, -172 dBc/Hz at 1 MHz offset.
Harmonic distortion: Second and third harmonics -30 dBc, non-harmonics -80 dBc.

Mechanical Features
The oscillator is packaged in a compact form factor with specific pin descriptions for connectivity and control.

Pin Description