[AMRadio] Volumax limiter

[rbethman]

Jim,

I'd be interested in the information.

Perhaps I can build one for my BC-610s.

It would make riding herd on them easier.

Is there a schematic for these?

Bob - N0DGN

On 9/24/2013 5:53 PM, Jim Tonne wrote:
>
>
> A long, long time ago CBS Labs brought out a volume maximizing
> limiter to control the modulation on an AM transmitter.   They oh so
> cleverly called it the Volumax.
>
> I am privileged to have in my possession both an AM Volumax and its
> sister for FM, the FM Volumax.   I also have both of those devices
> entered into LTspice for circuit analysis.   As a result of maybe 50 or
> more  hours of computing and measuring I have what I think is a
> quite nice collection of data, measurements and so on.
>
> Are there any folks on this list that would be interested in information
> on how those units work?  The data I have is easily sufficient to do
> troubleshooting of a defective unit.
>
> On or off the list, makes no difference to me.
>
> - Jim Tonne   W4ENE
>