Tuned active antenna (CB8412E)

Found in a 90s Popular Electronics, this circuit allows to select the operating ranges between short waves and VHF. MOSFET is uncommon today.

| Clique na imagem para ampliar |

Audio Level Meter (CB19278E)
The integrated circuit used in this configuration is not very common today. However, more modern...
Switched Positive Regulator 723 (CB5462E)
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this...
EZP Q series of metallized polypropylene capacitors - Panasonic
EZP-Q metallized polypropylene capacitors from Panasonic's can be purchased from Mouser...