Bob Dengler wrote:
> At 3/24/2005 12:09 PM, you wrote:
>
>
>>>If you wanted a local speaker (which is
>>>actually undesired in most cases), you'd
>>>have figure out something out,
>>>
>>
>>How is one to test for desense if you don't have a local speaker? When
>>you shut off the transmitter with the PTT Disable Switch, what does one
>>listen to?
>
>
> None of my sites have room to spare for a local speaker, so I never
> included it in any of my systems. Instead, I built a test/breakout box out
> of an old Motorola speaker that inserts inline between the radio &
> controller. It has its own LM380 audio amp to drive the speaker from the
> discriminator audio passing through it, & can be switched to gate audio
> from COS, CTCSS or no gating.
>
> Bob NO6B
That'll work too!
--
Jim Barbour
WD8CHL
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