This circuit uses uncommon Texas Instruments components today. The circuit is from an American documentation. Transistors are commonly used PNP. The display is 7 segment multiplexed.
Rumble is a low frequency rumble that occurs with turntables. If the reader recovers recordings on...
This two input simple mixer uses two transistor and can b e upgraded to more inputs. Input...
In this circuit, Motorola's Linear Interface ICs, R3 is used to compensate to high source...