Digital using Transistors Tutorial

The circuit uses the primary current of a small 6 volt filament transformer to actuate a triac...

An NEC602 is used as a mixer with a zero IF frequency output, U2 acts as an audio amplifier....

The following diagram is the battery charger schematic for 6V Gel Cell battery type. Component...

The idea for the project started nearly two years ago, while I was researching the purchase of a...

To begin, connect a single NAND gate to two input switches and one LED, as shown. At first, the...

Measure voltage across the 1k resistor connected to the input stage and Vcc. The DC voltage...