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Stanford SR780 100kHz Dynamic Signal Analyser

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Stanford SR780 100kHz Dynamic Signal Analyser

Stanford Research Systems

The SR780 Dynamic Signal Analyser combines high performance and low cost in a full-featured package. It offers 102.4kHz dual-channel FFTs with 90dB dynamic range, 145dB dynamic range swept-sine measurements, real-time ANSI standard octave analysis, waterfall displays and transient capture for less than half the cost of other similarly equipped analysers. Whether your application involves acoustic measurements, vibration testing, servo systems or filter design, the SR780's features, performance and low cost are unmatched.


  • DC to 102.4kHz bandwidth
  • 90dB dynamic range
  • Low-distortion synthesised source
  • 145dB dynamic range in swept-sine mode
  • Real-time octave analysis
  • Up to 32MB memory
  • GPIB and RS232 interfaces

The SR780 delivers true two-channel 102.4kHz FFT performance. Its fast 32-bit floating-point DSP processor gives the SR780 102.4kHz real-time rate with both channels selected. Two precision 16-bit ADCs provide a 90dB dynamic range in FFT mode. Selectable 100 to 800 line analysis optimises time and frequency resolution, and you can zoom in on any portion of the 102.4kHz range with a frequency span down to 191mHz.

The SR780's unique architecture lets the two displays function independently. You can choose separate frequency spans, starting frequencies, number of FFT lines, or averaging modes for each display. So it's easy to look at a wideband display and zoom in on a specific feature simultaneously. The SR780 lets you select from two sampling rates: 256kHz or 262kHz, so frequency spans come out in either a binary (102.4kHz, 51.2kHz...) or decimal (100kHz, 50kHz, 20kHz...) sequence depending on your requirements.


            SR780 datasheet                                        Read more on Stanford's website