Solar radio (CIR21939E)

Details
Written by: Newton C. Braga

 

This primitive solar radio was found in a Gernsback publication from 1960. The transistor is made of germanium of the time and the earphone is magnetic with high impedance.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • 9-Bit DAC (CB15413E)

      This 9-bit DAC circuit was found in the RCA CMOS integrated circuits manual of the 1970s. The...

  • NOR Gate Using NAND (CB199E)

    A NOR gate can be improvised using one NAND gate of a 4011 as shown here. The diodes are...

  • High power siren (CB9084E)

           Found in na 1980’s English magazine, this circuit produces a strong modulated tone reproduced on a...

Buscador de Datasheets


N° de Componente