All items tagged with Amplifier and LED (10)

| The external appearance of this small module with an LC display almost belies what it has inside: a complete stereo preamplifier and final a...

| Designs for audio amplifiers with DC coupling to the load are not often encountered these days, even though they offer definite advantages....

| This short article deals with several matters relating to the booster amplifier described in the July/August issue of this magazine. One o...

| GENERAL INTEREST PC-controlled model railway: EEDTS Pro the booster amplifier The controller of a model railway is the generic term for the...

| The preamplifier is intended for use with dynamic (moving coil – MC) microphones with an impedance up to 200 Ω and balanced terminals. I...

| To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...

| When the control voltage at the Input of the circuit is varied from 0 V to +12 V, the LED will first light up green and then gradually, via...

| The idea presented here concerns the combination of digital and analogue techniques to produce an intelligent preamplifier with integral t...

| LED "amplifier" The light emission of an LED is normally pretty low. If more brightness is required, the following circuit will help. The LE...

| People with a passion for hifi equipment and active speaker units are bound to have sought ways in which to switch on the output units via t...