This is a 6 page guide that shows LCD TV display failure symptoms such as vertical bars and lines or noise/distortion in display etc an...

A thermistor is a type of resistor whose resistance varies significantly (more than in standard resistors) with temperature. The word is a ...

Grid dip oscillator (GDO), also called grid dip meter, dip meter, dipmeter, or just dipper, is a measuring instrument to measure resonant fr...

Electrical impedance, or simply impedance, describes a measure of opposition to alternating current (AC). Electrical impedance extends the c...

Reactance is the opposition of a circuit element to a change of current, caused by the build-up of electric or magnetic fields in the elemen...

A boost converter (step-up converter) is a power converter with an output DC voltage greater than its input DC voltage. It is a class of swi...

A buck converter is a step-down DC to DC converter. Its design is similar to the step-up boost converter, and like the boost converter it is...

A multivibrator is an electronic circuit used to implement a variety of simple two-state systems such as oscillators, timers and flip-flops...

A logic gate performs a logical operation on one or more logic inputs and produces a single logic output. The logic is called Boolean logic ...

An Operational amplifier ("op-amp") is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually,...