thoughts on this Spectrum Analyzer ?? - diyAudio
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Old 21st November 2007, 01:52 PM   #1
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Join Date: Oct 2004
Question thoughts on this Spectrum Analyzer ??

It's being shipped to me now.

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Spectral Dynamics SD345-2 Spectrascope III FFT Analyzer
is microprocessor based that analyzes frequencies up to 100 kHz with 400 lines of resolution. Any 25% of the display can be expanded (zoomed) for detailed examination. An alphanumeric readout on the CRT used with the marker functions provides additional information. Quantities can be displayed in engineering units such as mil/sec or g. Scaled X-Y recorder and display outputs are available on the rear panel. 10 bands are displayed for Octave bands and 30 bands are displayed for 1/3 Octave mode. Available center frequencies are 1.6, 2.0, 2.5, 3.15, 4, 5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k, 25k, 31.5k, 40k, 50k, 63k, and 80k Hz depending on the mode and frequency range chosen.

Some highlights are:

Sixteen frequency ranges in a 1,2,5 sequence from 1 Hz to 100kHz

Eleven full-scale voltage inputs from 10 mV to 20V in a 1,2,5 sequence

A X4 X-axis magnifier for closer examination if any 25% of frequencies displayed

Averaging from 2 to 1024 samples is available

Peak hold mode

Extensive cursor functions

1/3 or 1/1 Octave Spectrum Analysis (option, included)

Any thoughts ??

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