[time-nuts] 35601A as stand-in for 11848A ?
SAIDJACK at aol.com
SAIDJACK at aol.com
Sun Jan 6 17:29:09 EST 2008
In a message dated 1/5/2008 16:58:01 Pacific Standard Time, jmiles at pop.net
writes:
>That's a good point; how are you (Said) calibrating the system?
>For simplicity I'd drive the mixer's LO port at its full spec and start with
>the RF port unsaturated, at (presumably) 0 dBm.
Hi John etc,
I've been reading all the posts and greatly appreciate the help. I may end
up getting a 11729C, these seem to be reasonably priced.
I've tried two ways to calibrate my setup: one was to detune the OCXO's by
>20Hz, and measure the resulting beat frequency level.
Another was to use our FireFox signal generator to add a 10.0001MHz signal
-30dB below the carrier into the DUT output using a power combiner, and
measuring the resulting 100Hz spur.
Both methods result in output spurs that are within <2dB of expected.
I will try the hints from everyone,
thanks,
Said
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