FET IF Amplifier (CB4289E)

In the figure we have an IF amplifier step using a MOSFET. The circuit was found in a 1980s documentation, intended for FM receivers of the time.

| Clique na imagem para ampliar |

Phase Modulator (CB7928E)
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
Piezoelectric transducer driver (CB8117E)
This circuit was found in an Electronic Design from the 90s. The integrated circuit is from that...
Timer Switch (CB16474E)
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...