5 LED Log Scale with U257B (CB25442E)

Details
Written by: Newton C. Braga

 

The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by changing R2 and R3.

 


 

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Sawtooth Generator (CB1358E )

       This old oscillator using germanium transistors has a high impedance headphone as inductor to...

  • Power Amplifier (CB956E)

    This old fashioned amplifier can source some watts to a low impedance loudspeaker. The circuit...

  • Notch Filter (CB13590E)

      This 50 Hz rejector or notch filter was found in a 1975 documentation. Other frequencies can be...

Latest