SRS SR625 频率计数器 (50 MHz - 2.2 GHz)

Rubidium Timebase:

Frequency: 10 MHz

Accuracy at shipment: ±5 × 10-11

One day stability: 4 × 10-11/day

Long term drift: <5 × 10-11/month, <5 × 10-10/year

Short term stability:

   1 s Allan variance: <2 × 10-11

   10 s Allan variance: <1 × 10-11

   100 s Allan variance: <2 × 10-12

Warmup interval: 10 minutes to meet short-term stability specification

Power consumption: 70 W (at warmup), 100/120/208/240 VAC, 50/60×Hz

Output: 10 MHz, 1 Vpp sine wave

Prescaler:

Frequency ratio: 10:1

Input impedance: 50 Ω

Max. input level: +23 dBm

Input freq. range: 50 MHz to 2.2 GHz

Output:

   Output load: 50 Ω

   Output amplitude: 700 mVpp square wave

   Output offset: 500 mV

General:

Size: 17" × 3" × 14.5" (WHL)

Weight: 15 lbs.

Details

Datasheet


Manual


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