Showing posts with label audio. Show all posts
Showing posts with label audio. Show all posts
Monday, September 2, 2013
2x6W Stereo Audio Amplifier based LA4440 Power IC
This is the diagram of 2x6W stereo audio amplifier based LA4440 power IC. Actually, the LA4440 can be used in both stereo mode and mono (bridge) mode, but the circuit presented in this post is LA4440 in stereo mode. The recommended power supply is 13.2V, while the maximum voltage rated at 18V.
LA4440 Features:
- Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications.
- Dual : 6W´2 (typ.)
- Bridge : 19W (typ.)
- Minimum number of external parts required.
- Small pop noise at the time of power supply ON/OFF and good starting balance.
- Good channel separation.
- Good ripple rejection : 46dB (typ.)
- Low distortion over a wide range from low frequencies to high frequencies.
- Small residual noise (Rg=0).
- Easy to design radiator fin.
- Built-in protectors.
- Built-in audio muting function.
- Thermal protector
- Overvoltage, surge voltage protector
- Pin-to-pin short protector
Friday, May 31, 2013
Clarion Apa1100 Audio Amplifier Wiring Diagram Thumb
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Wednesday, May 29, 2013
IR Audio Transmitter
This is very useful circuit you can transmit audio signals by using this circuit.You can send signals for about 4m.Q1 can be PNZ154, PNA1605F, BPW77NA or BPW85.
Note
# this circuit can be operated with 9V power supply
More...
Note
# this circuit can be operated with 9V power supply
Friday, April 12, 2013
10W Stereo Audio Amplifier Using TDA2009A
This is a schematic of a 10W stereo audio amplifier using TDA2009A amplifier IC. TDA2009A is a good IC provides quality sound. It has built in features like output current protection and thermal protection etc. The circuit can be operate between 8 to 24V DC with 1 to 2 amphere.
10W Stereo Audio Amplifier Circuit Diagram :
If you want to operate this 10 watt amplifier circuit with watt amplifier circuit with mains supply then use a filtered and stable power supply to reduce mains hum. 10 watt out put power can be obtained by providing 20V 1.5A to the circuit. Use good and thick heatsink with the IC.
Source : http://www.ecircuitslab.com/2012/08/10w-stereo-audio-amplifier-using.html
Monday, April 8, 2013
Gefen Component Audio Cat5 Wiring Diagram
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Sunday, April 7, 2013
TDA 7309 Digital Audio Processor Circuit
Digital Audio Processor TDA 7309 is a stereo audio processor with independent volume control of each channel was to get the audio quality of a good processor. Digital Audio Processor TDA 7309 is equipped with a loudness control is controlled externally. Digital Audio Processor TDA 7309 also has a soft mute feature stand-alone for each canals. Digital Audio Processor TDA 7309 is controlled via the I2C serial bus system with a microcontroller interface.
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Block Diagram of Digital Audio Processor TDA 7309Feature-owned Digital Audio Processor TDA 7309The input multiplexer with 3 stereo inputRecording function on the output lineLoudnes external ontrolIndependent volume controlDigital volume control with 1dB stepSoft MuteAll functions of the Digital Audio Processor TDA 7309 is programmed via the I2C serial bus system
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