[Milsurplus] Inverter on AC Rectifier Supply

[Richard Brunner]

Re:
Running my TBW transmitter on the 800-1 800 cycle inverter I got a 
report of hum on the carrier.  Hum (120 cycle) isn't easy with an 800 
cycle power supply.  .....

False alarm:  Critical monitoring by local hams shows no hum on the 
carrier, but I do have a wee bit of chirp.  It's trivial by my 
standards, which are admittedly low, and is a mark of character which 
makes it easy to copy.  I think the generator output voltage momentarily 
droops key-down until it is pulled up by the carbon-pile regulator.  I 
am thinking about a solid-state regulator, but somewhere it has to 
convert from AC to DC, which means a filter capacitor, however small, 
which means a time constant, which may be no better than the carbon-pile 
regulator. etc, etc,

Richard Brunner, AA1P