This is used as Test and Measuring instrument. Any can throw light on this instrument, Use, availabality?
kitty
AF SINADMETER
Feb 09, 2005
2 Replies
The Sinadder is used for measuring the SINAD of a receiver.
Now sold by Zetron.
See
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SINAD = 20log ((Signal + Noise + Distortion) / (Noise + Distortion)) assuming voltages in each case.
Used as a reference audio output (usually 12dB SINAD) in receiver sensitivity tests.
Availability: Loads of SINAD meters secondhand. Also included in most combination test sets.
Then there's duct tape ...
(Garrison Keillor)
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