[Amps] Calculation of Tube Impedance

[Vic K2VCO]

On 5/2/2010 6:52 AM, TexasRF at aol.com wrote:
> Hi Peter, Since you brought the conduction angle into the discussion, the
> Pi/2 number equates to 1.57. The customary shortcut is use of 1.8 for the K
> factor and I am assuming the difference between 1.57 and 1.8 is due to the
> plate  voltage swing limitation.

Here are the usual assumptions made for K based on class of operation, which I presume 
relates to conduction angle:

Class A: 1.3	
Class AB: 1.5-1.7	
Class B: 1.57-1.8	
Class C: 2.0	

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