[1000mp] Key Click Mod
Pete Smith
[email protected]
Fri, 09 Jan 2004 02:11:56 -0500
At 06:50 AM 1/9/04 +0000, Bob wrote:
>In my assessment the W8JI mod and the Inrad mod are essentially the
>same. The difference between them is that with the W8JI mod, critical
>components are selected on test to provide for differences between units
>which arise due to manufacturing tolerances. For the sake of simplicity,
>Inrad have taken the select on test requirement away by settling on a
>nominal value for these components. Nothing wrong with the Inrad
>approach. It makes the mod simpler but with it you likely won't suppress
>the clicks as well if you select the values specifically for your radio.
For that matter, in the Mark V version on W8JI's web site, while the
schematic shows two pots, the narrative calls out values of fixed resistors
in their place. That and the off-board placement of the components on a
terminal strip makes me more comfortable than doing it all directly on the
PC boards.
73, Pete N4ZR
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