[Amps] Inadequate load current

[Vic K2VCO]

Bob Sullivan wrote:
> Listsmates,
> 
> I'm working on a Globe King 400 ... conventional push-pull output using a 
> pair of V70D's and link coupling. Design operating current is 300ma and for 
> the life of me I cannot load above 200ma (into dummy load).
> 
> 1. Off resonance current is >500ma
> 2. Tested with two sets of tubes
> 3. HV correct at approx 1400v
> 4. Tried links of 3 turns (original) and 5 turns - no difference
> 5. Tried vari cap in series with link - no help
> 6. Grid current correct at 40ma

Are you sure there's continuity through the link to the dummy load or 
antenna? It sounds like the stage is operating without a load. Antenna 
relay?

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco