Test interface (CB8222E)

Found in 90s Popular Electronics this circuit amplifies signals over a wide range of frequencies.

| Clique na imagem para ampliar |

8 A power supply (CB8464E)
This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of...
Power Pulsator (CB10590E)
This circuit was published in an English magazine from 1977, but it can be easily assembled since...
Transmitter for 2 meters (CB9381E)
This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio...