STANFORD RESEARCH SYSTEMS DG645 CALIBRATION and STANFORD RESEARCH SYSTEMS DG645 REPAIR

 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the STANFORD RESEARCH SYSTEMS DG645 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   STANFORD RESEARCH SYSTEMS DG645   Description / Specification:    
STANFORD RESEARCH SYSTEMS DG645 4/8 Ch Digital Delay/Pulse Generator

The SRS DG645 is a versatile digital delay/pulse generator that provides precisely defined pulses at repetition rates up to 10 MHz. The instrument offers several improvements over older designs — lower jitter, higher accuracy, faster trigger rates, and more outputs. The DG645 also has Ethernet, GPIB and RS-232 interfaces for computer or network control of the instrument. The SRS DG645 eliminates timing indeterminacy by measuring the timing of triggers with respect to the internal clock and compensating the analog delays. This approach reduces the jitter by about 100× and allows the internal rate generator to operate at any rate - not just a sub-multiple of the clock frequency. Specifications. Delay Channels: 4 independent pulses controlled in position and width. 8 delay channels (optional). Range: 0 to 2000 s. Resolution: 5 ps. Accuracy: 1 ns + (timebase error × delay). Trigger delay: 85 ns (ext. trig. to T0 output). External Trigger Rate: DC to 1/(100 ns + longest delay), (maximum of 10 MHz). Threshold: ±3.50 VDC. Internal Rate Generator Trigger modes: Continuous, line or single shot. Rate: 100 µHz to 10 MHz. Resolution: 1 µHz. Option 01, Eight delay channels (5 V) . Option 02, Eight delay channels (30 V). Option 03, Combinatorial outputs. Option 04, OCXO timebase. Option 05, Rubidium timebase.



 

Standard Calibration $285.00 *
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*This is a Web introductory price for one calibration of the STANFORD RESEARCH SYSTEMS DG645. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Carrier Wave (CW)
Carrier Wave or Continuous Wave is a sinusoidal signal without modulation.

Harmonic
A harmonic of a wave is a component frequency of the signal that is an integer multiple of the fundamental frequency, i.e. if the fundamental frequency is f, the harmonics have frequencies 2f, 3f, 4f, . . . etc.

Noise Floor
Noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system.

Ripple
Ripple is the small unwanted residual periodic variation of the direct current (dc) output


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