A small stereo headphone amplifier cheap and very nice features (without HIFI). It only uses a single power supply value […]
Month: October 2011
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 […]
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