A class D amplifier is actually a category of amplifier through which the power devices (mosfets and BJTs) are controlled like switches. The connected output devices in such amplifier circuits […]
Digital Volume Controller Circuit
The circuit shown here is based on the switching action of transistors, which produce a digital up/down control of an amplifier volume. Volume of a stereo deck can be controlled […]
Simple Logarithmic Amplifier Circuit
This logarithm amplifier circuit provides an output voltage that is equivalent to the logarithm of applied input voltage. The performance of the logarithmic operational amplifier, the circuit diagram of which […]
Constant Volume FET Amplifier Circuit
In numerous occasions it is desirable to obtain an amplifier that gives an output signal of constant amplitude for numerous input signal levels and with the very least distortion. A […]
Headphone Loudness Controller Circuit
This Circuit will automatically control the loudness of headphone amplifier volume, so that the is able to listen to the music at the correct level. Numerous contemporary top quality amplifiers […]
