Time Interval and Frequency Counters
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SR620
- 25 ps single-shot time resolution
- 1.3 GHz frequency range
- 11-digit frequency resolution (1 s)
- Statistical analysis & Allan variance
- Graphical output to XY scopes
- Hardcopy to printers and plotters
- GPIB and RS-232 interfaces
- Optional ovenized timebase
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SR625
- Rubidium atomic timebase
- 2 GHz prescaler input
- 11-digit frequency resolution (1 s)
- 10 MHz Rb timebase output
- Statistical analysis & Allan variance
- Hardcopy to printers and plotters
- GPIB and RS-232 interfaces
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