Mic Preamplifier described here is designed for dynamic type microphones, the impedance between 200 ohms and 1 ohm. Its uniqueness […]
Author: Amplifier Circuit
Small stereo headphone amplifier
A small stereo headphone amplifier cheap and very nice features (without HIFI). It only uses a single power supply value […]
32 ohm Headphones Amplifier
Here’s a little extra amplifier and really easy to make and inexpensive. It can also serve for a stereo headset […]
Absolute Value Amplifier
The Absolute Value Amplifier circuit based operational amplifier chip 5535. This circuit can provide a positive output voltage for both polarity […]
Voltage controlled variable gain amplifier
The Voltage controlled variable gain amplifier circuit is built with ic op amp type LM101. The 2N5457 works as a […]
5.8 W Audio Power Amplifier
This TA7222AP scheme used for audio signal amplifiers. The circuit delivers 5.8 W with power off Control. 8-12V power supply […]
Guitar Pre-amp based on an FET BF245 and BF256
Guitar preamp, based on an FET BF245 and BF256 type. Very easy to build, operate with 9 V battery. Unlikeprevious […]
Voltage Controlled Amplifier
This Voltage Controlled Amplifier circuit is simply an op amp having an additional input at pin 5. A current ILsc […]
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