Page 127 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
P. 127
CT, secondary 8
• VR1: 100 k
Figu re 8-6B presents a schem atic d iag ra m of the tuner section of the
eight-transistor radio, while Figure 8-6C presents a schematic diagram of the audio
section of the eight-transistor radio.
R7
20K
• L1 VCl RF VCl RF Pad Cl0
111 680 uh 140 pr 20 pt C20 + 3 1N914 1N914 T C9 1 ut
m ,01ut
Cl
l'5'" '-----------""0.........{
C7 ToVR1
.01~
R5
C5 421F100 Pin Out
10K
+3 J33ut To + 3 6 3
2 ToC3
RI
To01 4 vel0sc
01
Bottom View
1N914
.01 ut 02
lN914 To R1210K
FIGURE 8-68 Schematic diagram of the eight transistor radio's tuner
section.
