[R-390] DA-121/U Dummy Antenna
Roy Morgan
[email protected]
Fri, 21 Jun 2002 14:11:36 -0400
At 02:03 PM 6/21/02 -0400, Norman Ryan wrote:
>
>
>I opened up my DA-121/U and found two 1/2 W 5% tolerance carbon
>composition resistors configured as shown:
It looks to me (without doing any math) that the thing presents to the
generator a 50 ohm load and to the receiver a 125 ohm load. there will be
some loss in this: that is the receiver will get less than the microvolts
indicated on the generator.
Roy
> 100
> >---|---\/\/\/---<
>GEN | REC
> >
> < 68
> >
> |
> >---|------------<
> |
> _|_
> -
> GND
>
>Hope this helps.
>
>73 de Norman KG4SWM
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