[ARC5] T-19 on AM

[Kenneth G. Gordon]

On 1 Jan 2013 at 15:00, Laura and Jim wrote:

> I have no modulator (yet) but would like to kludge a modulator so I
> can try the T-19 on AM. These TX's are screen modulated IIRC. Anyone
> tried plate modulation w/an outboard modulator and regulated screen
> voltage?

I haven't...yet...but it shouldn't be difficult. The only "IF" would be any plate 
bypass cap since the full plate-modulation voltage would be 4 X the DC 
voltage...(or is that 2X?...I can't remember).

I have always thought that a simple, well-designed, and well-built 
controlled-carrier modulation scheme would work very well with these rigs.

Many years ago, I used that "Simplest Modulator" with my ARC-5 transmitter 
and that worked very well too. That is the one that simply plugs into the key 
jack if you are using cathode-keying.

Ken W7EKB