USB Sound Card
The core of this construction is 16-Bit Stereo Digital-To-Analog Convertor with USB interface PCM2702. PCM2702 needs only few additional parts to work. The sche...
5-Band Graphic Equalizer with LA3600
This complete high quality, low noise 5-BAND GRAPHIC EQUALIZER circuit is based around Monolithic Linear integrated circuit LA3600 manufactured by SANYO. This c...
5-Band Graphic Equalizer with LA3600
This complete high quality, low noise 5-BAND GRAPHIC EQUALIZER circuit is based around Monolithic Linear integrated circuit LA3600 manufactured by SANYO. This c...
Infrared cordless Headphone Amplifier
Using this low cost Project one can reproduce AUDIO from TV without disturbing anyone. It does not use any wire between TV and HEADPHONE. In place of pair of wi...
Infrared cordless Headphone Amplifier
Using this low cost Project one can reproduce AUDIO from TV without disturbing anyone. It does not use any wire between TV and HEADPHONE. In place of pair of wi...
3 channel audio mixer (2N3904)
That circuit will provide an overall gain of one between the output and each input channel. Each input channel includes a single 0.1uf capacitor and 100-Kilohms...
3 channel audio mixer (2N3904)
That circuit will provide an overall gain of one between the output and each input channel. Each input channel includes a single 0.1uf capacitor and 100-Kilohms...
Bass and Tremble Controller
It is very useful (and has Best Quality) for 1 -100watt AUDIO AMPLIFIERS...
Bass and Tremble Controller
It is very useful (and has Best Quality) for 1 -100watt AUDIO AMPLIFIERS...
tape head preamplifier with LA3161
The Stereo Tape Head Preamplifier kit is based on LA3161 IC from SANYO. Power supply - 9 ~ 12 VDC @ 20 mA. Output power - upto 200 mW. Input Resistance - 100 K?...
tape head preamplifier with LA3161
The Stereo Tape Head Preamplifier kit is based on LA3161 IC from SANYO. Power supply - 9 ~ 12 VDC @ 20 mA. Output power - upto 200 mW. Input Resistance - 100 K?...
VU meter with LM3915
This nifty sound level meter is a perfect one chip replacement for the standard analog meters. It is completely solid state and will never wear out. The whole c...
Audio Mixer with 2N3819
This simple circuit mixes two or more channels into one channel (eg. stereo into mono). The circuit can mix as many or as few channels as you like and consumes ...
Audio Mixer with 2N3819
This simple circuit mixes two or more channels into one channel (eg. stereo into mono). The circuit can mix as many or as few channels as you like and consumes ...
Digital Volume Control
This digital volume control has no pot to wear out and introduces almost no noise in the circuit. Instead, the volume is controlled by pressing UP and DOWN butt...
Digital Volume Control
This digital volume control has no pot to wear out and introduces almost no noise in the circuit. Instead, the volume is controlled by pressing UP and DOWN butt...
Speech Recorder (ISD2560)
The 2 pushbuttons = S1: Start/Pause. S2: Stop/Reset. If you want to play your message, put S3 at Play. Then push S1 to start playing and again to pause. If you ...
Speech Recorder (ISD2560)
The 2 pushbuttons = S1: Start/Pause. S2: Stop/Reset. If you want to play your message, put S3 at Play. Then push S1 to start playing and again to pause. If you ...
Portable Audio Amplifiers (TEA2025)
The Above circuits are based on TEA2025 is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package manufactured by UTC .Circuit has an ...
Portable Audio Amplifiers (TEA2025)
The Above circuits are based on TEA2025 is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package manufactured by UTC .Circuit has an ...