Voltage to Frequency Converter (CB21492E)

This circuit produces a 300 Hz signal from a 10V input. The circuit is from a 60's documentation, making use of components from the time.

| Clique na imagem para ampliar |

Pulse Modulated Inverter (CB15990S)
This inverter, suggested by Motorola, converts a voltage from 8 to 20 V into 28 V with a maximum...
Scanner Squelch (CB21230E)
This circuit was found in a Popular Electronics from the 90s. Its purpose is to disable the output...
Transistor Bargraph (CB4577E)
This circuit is from a 1995 publication. The components are all common and the number of LEDs may...