[time-nuts] Re: Phase noise with a lock-in amplifier.
Alberto di Bene
dibene at usa.net
Sat Apr 16 11:29:41 EDT 2005
David Kirkby wrote:
>> 4) Feed the other output from the power splitter into the LO port of
>> a mixer, via a cable that is a odd integer multiple of a quarter wave
>
Why an odd multiple of a quarter wave ? Wouldn't an even multiple be
more adequate, so that
the input impedance is reflected more or less unchanged at the output ?
Am I missing something ?
73 Alberto I2PHD
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