Signal analyser runs two channels independently
A
Thurlby Thandar Instruments product story
Edited by the Engineeringtalk editorial team
Oct 18, 2004
The SR785 is a dual-channel dynamic signal analyser which is suitable for analysing both electrical and mechanical systems.
The SR785, now available in the UK from TTi (Thurlby Thandar Instruments), is a dual-channel dynamic signal analyser which is suitable for analysing both electrical and mechanical systems.
The computational heart of the SR785 is a 32bit floating-point digital signal processor that delivers a true 102.4kHz real-time bandwidth on both channels simultaneously.
Bandwidth is not sacrificed for the number of channels used.
Two precision 16bit analogue/digital convertors provide 90dB dynamic range in FFT mode and 145dB in swept-sine mode: enough for the most demanding applications.
With up to 800 lines of spectral resolution, the SR785 allows the user to zoom in on any portion of the 476mHz to 102.4kHz range.
A novel measurement architecture allows each input channel to function as a separate analyser with its own span, centre frequency, resolution and averaging modes.
Hence the user can view a wideband display and at the same time zoom in on specific spectra.
The same new measurement architecture provides simultaneous storage of all measurements and averaging modes.
Vector-averaged, RMS-averaged and unaveraged data are all available without the need to start the measurement again.
The unit is equipped with a wide selection of averaging techniques to improve signal/noise ratio.
Vector averaging will eliminate noise from synchronous signals, while RMS averaging reduces signal fluctuations.
Peak-hold averaging is also available.
A built-in 3.5in 1.44Mbyte floppy disk drive, GPIB and RS232 interface ports and a Centronics printer port combine to allow unlimited flexibility in saving, printing, plotting or exporting measurement data.
The SR785 costs GBP 9680 (plus VAT).
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