This power step drains just 3.5 mA from the battery and can provide good playback on a 4-ohm speaker. The circuit is from an 80's documentation.
We find this conventional amplifier with complementary transistors in a 1987 documentation. The circuit...
The purpose of this 2000 documentation circuit is to decode SSB (BLU) signals to be audible on...
This circuit changes the wave shape of a square signal according the values of C1 and R1. Other...