100 MHz frequency meter ICM7216 (CB15370E)

The integrated circuits used in this configuration are not common today. The circuit is from the 1983 Intersil Databook. The indicator is 8 digits.

| Clique na imagem para ampliar |

Sine and square generator (CB21949E)
This circuit was found in a publication by Gernsback from 1960. The circuit generates signals from...
Wien Oscillator MOSFET Stabilized (CB12452E)
This oscillator has the output sine waveforms stabilized by a MOSFET. Equivalent types can be...
3-input Preamplifier and Monitor (CB16851E)
This circuit that uses components that are still very common on the market was obtained in a 1997...