The AM Forum

AMfone's Online AM Handbook => Transmitters => Topic started by: Steve - K4HX on December 15, 2012, 11:48:17 AM


Title: Modified Speech Amp/Driver for the 32V-3
Post by: Steve - K4HX on December 15, 2012, 11:48:17 AM
Modified Speech Amp/Driver for the 32V-3

by WA1HLR


Component Changes and Additions

Component             Original Value      New Value  
  C202     0.01 uF/300V Mica        0.05 uF  
  C203     2 uF/600V Paper        20 uF  
  C204     2 uF/600V Paper        20 uF  
  C205     0.01 uF/300V Mica        0.05 uF  
  C206     2 uF/600V Paper        10 uF  
  C207     2 uF/600V Paper        50 uF  
  C211     0.05 uF/600V Paper        10 uF  
  C217     8uF/350V Electrolytic        20 uF  
  R202     1M        4.7M  


New/Added Parts

Cap in Negative Feedback Circuit:  0.01 uF2 kV
Resistor in Negative Feedback Circuit: 1M/2W


See attached schematic.
AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands

Powered by SMF 1.1.21 | SMF © 2015, Simple Machines