[ntp:questions] irig-b LEVELS

Joe Gwinn joegwinn at comcast.net
Sat Aug 10 15:36:55 UTC 2013

In article
<6C1FE0E5A70C9640B597F869A899C017033C0036 at tmpExch.non-stop.com.au>,
Mark C. Stephens <marks at non-stop.com.au> wrote:

> I have a Datum 9390 and the Thin client I want to feed the IRIG signal into
> only has microphone level input.
> Looking at the signal on a scope, unterminated its 33v peak to peak with
> about a 20v peak to peak 1KHz carrier into an unterminated load.
> Levels go down to about 1.2v into 100K load.
> Can anyone tell me if there is a standard level (preferably in dB) for IRIG-B
> signal out of a receiver?

There is a wide amplitude range, to account for attenuation and loading
from multiple receivers.

Find a copy of the IRIG standard.  Start here:

Joe Gwinn

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