Radio Shack CCR-81 Reference Handbook

1- BIT TIME _I
r--- 2mSEC ~
LINE
A Z4 PIN 5
4.0 V
2.0 V
OV
~ FILTERED AUDIO
BASE LINE
NOTE: AMPLITUDE WILL VARY
DEPENDING ON RECORDER
VOLUME LEVEL.
B CR4 CATHODE
C Z4 PIN
9
D CR7 CATHODE
2.0 V
OV
2.4 V
OV
1.GV
OV
FULL·WAVE RECTIFIED AUDIO
INVERTED I AMPLIFIED AUDIO
FILTERED AUDIO
E Z4 PIN 10
4.4V 1.1
OV W
w
w
w
FIGURE 11. Audio Processing (Idealized)
49

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English