Perforated tape reader (CB7417E)

Found in General Electric documentation from the 1980s, this high speed perforated tape reader circuit has a maximum speed of 2000 bits per second.

| Clique na imagem para ampliar |

0 to 6.8 V x 5 mA Power Supply (CB13479E)
Two operational amplifiers are used in this source obtained in an American documentation...
Turntable Amplifier LM380 (CB14165E)
This circuit is suggested by the Linear Applications Handbook of National Semiconductor, being used...
2 transistor amplifier (CB8927E)
This simple circuit for headphones or small speakers was found in documentation from the 90s. The...