The LPFRS/AV1 is a cost-effective, high-performance rubidium frequency source designed for rugged airborne applications. Fully compatible with the FEI 5650 model, it features a low-profile package with two outputs and meets strict vibration and shock standards, delivering exceptional low phase noise performance.
It is RoHS compliant under the NIE exemption of the RoHS Directive 2011/65/EU, which permits the use of Pb soldering in specific telecom-related applications such as servers, storage arrays, network infrastructure for switching, signaling, transmission, and network management.
Key Features & Specifications
- Output Frequency: Standard 10 MHz; optional 5, 15, or 20 MHz
- Accuracy at Shipment: Typical < 5×10⁻¹¹ at 25 °C
- Temperature Stability (Tempco): ≤ +1E-10; standard temp range −5 °C to +55 °C; optional −30 °C to +70 °C
- Aging: < 5E-11/month (standard), < 3E-11/month (optional), < 2E-10/year
- Stability (ADEV):
- 1 s: 2E-11 (std) / 1E-11 (opt)
- 10 s: 7E-12 (std) / 3E-12 (opt)
- 100 s: 2E-12 (std) / 1E-12 (opt)
- Phase Noise at 10 MHz (dBc/Hz):
- Standard: −70 (1 Hz), −80 (10 Hz), −115 (100 Hz), −135 (1 kHz), −140 (10 kHz)
- Optional: −80 (1 Hz), −100 (10 Hz), −130 (100 Hz), −140 (1 kHz), −150 (10 kHz)
- Holdover: N/A
- Warm-up Time at 25 °C: Standard – 15 min to 5E-10; Optional – 7 min to lock
- Power Requirements:
- Operating: < 7–13 W (std); optional 12 V or 28 V input
- Warm-up: < 20–40 W
- Standard voltage: 24 V
- Dimensions: 76 × 77 × 36.5 mm (3 × 3.03 × 1.44″)
- Weight: 290 g (0.64 lbs)
- Vibration Sensitivity: N/A
