Time Interval & Frequency Counters
Time Interval & Frequency Counters
Our Time Interval Counters perform virtually all of the time and frequency measurements required in a laboratory or ATE environment. The instrument's single-shot timing resolution and low jitter make it the counter of choice for almost any application.
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Time Interval & Frequency Counters
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SRS SR620 Time Interval/Frequency Counter
- 25 ps single-shot time resolution
- 1.3 GHz maximum frequency measurement
- 1 nHz frequency resolution
- 0.001° phase resolution
- Statistical analysis & allan variance
- Sample size from 1 to 1 million
- Graphical output to XY scopes
- Hardcopy to printers and plotters
- GPIB and RS-232 interfaces
- Optional ovenized timebase
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SRS SR625 Rubidium Stabilised Frequency Counter
- 12 digit frequency resolution
- Rubidium atomic timebase
- 2 GHz direct prescaler input
- Short 10 minute warmup period
- Portable operation
- 10 MHz Rb timebase output
- GPIB and RS-232 interfaces
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SRS FS740 - GPS Time and Frequency System
- GPS disciplined 10 MHz reference
- 1 × 10-13 long term stability
- Time tag events to UTC or GPS
- Sine, square, triangle, IRIG-B output
- Frequency counter, distribution amplifiers
- Ethernet and RS-232 computer interfaces
