TV Modulator (CB20773E)

This circuit for the VHF band of analog TV was found in Motorola documentation from the 70s. The integrated circuit used is uncommon today.

| Clique na imagem para ampliar |

Stereo Preamplifier (CB14935E)
The integrated circuit used in this stereo preamp is uncommon today, but the circuit can be...
1-Transistor Medium and Short-Wave Radio (CB18413E)
This two-band receiver capable of tuning medium waves and the 3.5 to 10 MHz band was sold in Japan...
Low Noise Amplifier LM381 (CB25271E)
This circuit was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...