Photodiode Amplifier (CB21016E)

This circuit is from an Electronic Design from the 90's. The circuit has excellent gain and must be powered by a symmetrical power source.

| Clique na imagem para ampliar |

Buzzer circuit (CB25102E)
Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics...
OLED 2x16 Display Modulators (COM151E)
November 2016 - The new OLED modulator for displays with 2 x 16 format can be obtained from Mouser...
Two volumes for the amplifier (CB26079E)
This interesting circuit for the RDA8851 allows you to obtain two volumes with a simple touch. The...