Each biscuit would be a standard size or a multiple
thereof, I'd tentatively suggest 1 1/2" X 2".

Assembly of a transceiver would then consist of
biscuits mounted horizontally. The idea is that we
put HB firmly back on the map as the standard
route into HamRadio, so I'm not after miniaturisation.

Perhaps if we could produce rigs of the size of floor
plan size of the old FT101 we'd be OK for easily
doing our own maintenance....we need to ensure room to
get a soldering iron and a probe in there without fear
of affecting other parts.

For all their simplicity, this spaciousness and room-to-breathe
was something desirable that was lost with the demise
of valve ("tube" to the Yanks) rigs.

wrote in message ...
What I had in mind was a slightly higher level
system view.

So starting at the easy end, we might specify that
the AF amp takes 100mW into 600 Ohms, and
delivers 1W out into 8 Ohms. a biscuit to do that
might take many forms but would all be interchangeable.

If an audio filter were to be included, that would
work in and out at 100mV into 600 Ohms with
0dB gain - and would thus be an optional fit
prior to the AF amp.