RF Concepts LLC PA-77DF User Manual

Page of 86
Alpha 9500 Linear Amplifier User Manual
RF Concepts, LLC
Amplifier Components and Specifications
Product Release 1
DOCNUMBER 9500
Document Issue 1.1
Page 2–2
February 2010
22
2
Figure
 
2-1  Amplifier front and interior
Figure
 
2-2  Amplifier back
2.1  Cathode (Input-Match) Board
The cathode board, housed in the tube deck, consists of a set of Pi filters 
controlled by a set of five relays that are enabled based on the band-switch 
setting.