[Amps] SB-220 Plate Tuning Capacitor

[R L Measures]

On Jun 6, 2006, at 9:03 AM, Peter Chadwick wrote:

>> From what Colin told me in a private email, it seems to me that  
>> the SB220 bandswitch is right on edge for the kW input power  
>> level, and too small at 1500 watts for safety.

The measured breakdown potential of a SB-220 bandswitch is c. 4900v  
at sea-level.  At 390v peak output into 50-ohms, the actual potential  
across open bandswitch contacts is c. 2600v-pk.
>

R L MEASURES, AG6K. 805-386-3734
r at somis.org