Page 100 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
P. 100
L ow L eve
~ 11 Audio
RF Antenna Filter ~ RF/AF Amplifi1er Det AF Amlplitier LowZ
/
/ " ~
L 1-VC1 01 03 02 Output
I "-
Audio Out /
C2
~u, L2 T2
R1 3.9 mH or4.7 mH Output Audio Transformer
Output
-II~ LowZ
III VC1 RF VC1 Dsc 1 N34 or Germanium
140 pt
60 pr T1 Driver Audio Transformer ~
C3
Audio Out
~
III 100 ut ca
2 2201 uf
C4
1010 ut R4
1K
FIGURE 6-5 Two-transistor reflex radio using a center tap of the audio
output transformer.
