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Time & Frequency Instrumentation

Stanford Research Systems provide a wide range of time & frequency instruments, inlcuding frequency standards and oscillators. All instruments combine ease of use and flexibility and are at home in scientific, medical or industrial testing environments.

Rubium Frequency Standards
Time & Interval Counters
Ovenized Crystal Oscillators
Distribution Amplifiers

Frequency Standards/Oscillators

Model	Description	Feature	Datasheet
FS725	Benchtop rubidium frequency standard	5 & 10MHz outputs	specifications
PRS10	Rubidium frequency standard	Low phase noise	specifications
SC10	Ovenised quartz oscillator	low phase noise	specifications
FS700	LORAN-C frequency standard	4 x 10MHz outputs	specifications
FS710	AGC distribution amplifier	7 channels	specifications

Time Interval & Frequency Counters

Model	Description	Feature	Datasheet
SR620	Universal time interval & frequency counter	25ps resolution	specifications
SR625	Frequency counter with rubidium timebase	2GHz prescaler input	specifications

Distribution Amplifiers

Model	Description	Feature	Datasheet
FS730/1	10 MHz Distribution Amplifer	Sine wave with low phase noise	specifications
FS730/2	5 MHz Distribution Amplifer	Sine wave with low phase noise	specifications
FS730/3	CMOS Logic Distribution Amplifier	Fast transition	specifications
FS730/4	Broadband 50Ω Distribution Amplifer	DC-100MHz	specifications
FS730/5	Broadband 75Ω Distribution Amplifer	DC-100MHz	specifications
FS735	Double width 19" Rack Distribution Amplifier	Mix & match FS730 modules	specifications