IC Regulated Power Supply Tutorial

You can use this circuit with any walkman or CD player since it is designed to take a standard...

This neat little circuit can play 8 note tunes at any speed you want. You select the notes with 8...

An often neglected area of study in modern electronics is that of tubes, more precisely known as...

The following diagram is the schematic diagram of variable power supply which will deliver 0 to...

An oscillator-only transmitter sounds like the simplest possible means of getting on the radio...

Rf = 100 k preset - The slider is set about a quarter of the way round. This is used to control...

High voltage resistors for HV divider are SFERNICE or PHILIPS type VR37 (3. 5 kV - 0. 4 W). They...

The power supply used here is a capacitive type, thus no transformer is incorporated making the...

This circuit controls a load (in this case a dc brushless fan) based on a temperature compared...

The circuit being very simple, this project can be used as a first NXT hardware hack. A white LED...

This classic tube amplifier used to be the best value on the block. Fifteen years ago you could...

As shown in FIG as a special power supply circuit. The circuit is simple, but can be produced...