[AMPS] IMD measurement scheme

George T. Daughters gdaught6@leland.Stanford.EDU
Wed, 23 Jul 1997 08:27:51 +0008


hi tom,

in your very helpful reply you wrote,

> You can do IMD tests simply at home with a good selective receiver, 
> and attenuator pad, and TWO separate transmitters.

(snip)

> Feed the PA with two signals of equal level with a known spacing (say 
> two kHz)  and tune the receiver to each of the two tones. 

how do you recommend this be done?  a combiner/splitter?  a resistive 
mixer? (high power resistors would be necessary)  what's your method?

73,
George T. Daughters, K6GT

--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm