3-decade logarithmic AD (CB9024E)

This circuit was found in a 70s American documentation. The converter can be of any type and the power supply for the operators must be symmetrical.

| Clique na imagem para ampliar |

Analog Frequency Meter (CB12060E)
We found this simple frequency meter for low frequencies in an English publication from 1978. The...
Transistor latching relay (CB24435E)
We found this circuit in documentation from the 90s. The circuit has a latch. The power supply must...
High Voltage Inverter (CB23523E)
The original purpose of this 1963’ circuit from a magazine is to replace the mechanical vibrators used...