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tda7338 fm stereo decoder circuit – Circuit Schematic
tda7338 fm stereo decoder circuit
The pilot detector output is designed as an open collector output, therefore an external pull up resistor is needed. To force the decoder to "MONO" Pin 19 has t...
tda2005 car audio amplifier circuit diagram project – Circuit Schematic
tda2005 car audio amplifier circuit diagram project
This TDA2005 car audio amplifier circuit is specially designed to work on devices like : car radios, cd-players and similar devices. This car radio audio amplif...
tda1519 audio amplifier circuit diagram project – Circuit Schematic
tda1519 audio amplifier circuit diagram project
The TDA1519 circuit can deliver 2x6 watts output power. TDA1519 is an integrated class-B dual output amplifier in a 9-lead single in-line (SIL) plastic medium p...
1w audio amplifier circuit using ncp2830 – Circuit Schematic
1w audio amplifier circuit using ncp2830
NCP2830 audio power amplifier main features are : high quality audio (THD+N = 0. 04%), low noise: SNR up to 100 dB, overall system efficiency optimization: up t...
Square-wave synth – Circuit Schematic
Square-wave synth
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Roland TR-707 – Circuit Schematic
Roland TR-707
Hack the pitch shift of the crash and ride by lifting pin 10 of the TC4040 binary counter and insert your own clock in (or just whack it with an additional cloc...
Square-wave synth – Circuit Schematic
Square-wave synth
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PHOBoS DIY Synth schematics – Circuit Schematic
PHOBoS DIY Synth schematics
The panels look good and the cases are neat. What are the cases made from. MDF board I noticed the panels are recessed quite a bit too. I`m guessing this is to ...
Audio Circuits 8 – Circuit Schematic
Audio Circuits 8
The MP3 files (up 65, 536) are stored in a micro SDcard. This embedded MP3 module is an universal and compact circuit (37 mm x 27 mm) for playing MP3 audio file...
Telephone ring amplifier – Circuit Schematic
Telephone ring amplifier
Telephone ring amplifier of Service Speaker phone ringing bell Circuit diagram Electronic items Resistance of 33 kilo ohms 2 Resistance 47 Kilo Ohm....
Sound mixer circuit – Circuit Schematic
Sound mixer circuit
Sound mixer circuit of Service This mixer is easy to implement and Expensive as it consists of 2 transistors And some simple resistors and capacito....
Car Radio Audio Amplifier using TDA2003 – Circuit Schematic
Car Radio Audio Amplifier using TDA2003
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SPMC65P2408A application in one pair of mic identification directions – Circuit Schematic
SPMC65P2408A application in one pair of mic identification directions
The part of the hardware mainly finishes the magnification of sound, when the sound is enough large, have measured on can lead this signal into the one-chip com...
DAC schematic diagram of the USB interface formed by PCM2702 – Circuit Schematic
DAC schematic diagram of the USB interface formed by PCM2702
Peripheral circuit is very simple, it is DAC schematic circuit diagram of the USB interface which adopts PCM2702 to make the picture, the Ausgang of circuit can...
High Performance Balanced Audio Interfaces – Circuit Schematic
High Performance Balanced Audio Interfaces
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Hum Filter Remove AC Line Noise Pre Amp Circuit for Hi-Fi Amplifier Audio Systems – Circuit Schematic
Hum Filter Remove AC Line Noise Pre Amp Circuit for Hi-Fi Amplifier Audio Systems
That hum noise is produced by electronic device with improper design, yes you`re right. And you might choose to solve the trouble maker, the source. You begin t...
Audio and amplifier circuits – Circuit Schematic
Audio and amplifier circuits
60-Hz, This high-Q notch filter is based on the "Twin-T" design. It produces a very deep notch in the response curve at about 59. 7 Hz. This is useful to remove...
Simple Audio Mixer Circuits – Circuit Schematic
Simple Audio Mixer Circuits
The amplifiers of a LM3900N device can be conveniently used to make a mixer unit for audio purposes; the unit enables three separate audio signals to be mixed t...
Recording Level Meter Circuit – Circuit Schematic
Recording Level Meter Circuit
The circuit shows a two ”stage voltage amplifier driving a recording level meter. The AC signal input is amplified, rectified, and the resultant DC voltage sh...
Wireless Headphone Transmitter Receiver Circuit – Circuit Schematic
Wireless Headphone Transmitter Receiver Circuit
Wireless headphone transmitter receiver now widely available in the market with a variety of pricing options with a reliable technical specification for a varie...