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10 band graphic equalizer schematic – Circuit Schematic
10 band graphic equalizer schematic
As shown in the diagram, there are 10 same units that only differ in capacitance values of capacitors which determine the frequency band of each filter. The pot...
microphone computer circuit schematic – Circuit Schematic
microphone computer circuit schematic
The sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input is designed for dynamic microphone...
audio tone control 2 transistor circuit – Circuit Schematic
audio tone control 2 transistor circuit
The first BC109C transistor is acting as a buffer. It provides the circuit with a high input impedance, around 250k has a voltage gain of slightly less than uni...
active loudness circuit schematic – Circuit Schematic
active loudness circuit schematic
To get good audio reproduction at different listening levels, a different tone-setting controls should be necessary to suit the well known behavior of the human...
subwoofer amplifier for computer – Circuit Schematic
subwoofer amplifier for computer
An integral part of modern multimedia computer is the presence of two active audio speakers (mounted on a monitor or set next to it). Due to a number of physica...
pre amp condenser microphone circuit – Circuit Schematic
pre amp condenser microphone circuit
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car audio amplifier using tda2003 ic – Circuit Schematic
car audio amplifier using tda2003 ic
The circuit is Easy to construct. TDA2003 is an integrated radio amplifier from ST Micro electronics that like short circuit protection for all pins, thermal ov...
usb audio interface based dac pcm2902 – Circuit Schematic
usb audio interface based dac pcm2902
This is the circuit quality preamplifier with built-in USB DAC for my Leachamp power amplifier. Scheme is PCM2902 datasheet. Circuit includes DAC and ADC, SPDIF...
audio tone control with 2 transistor – Circuit Schematic
audio tone control with 2 transistor
The first BC109C transistor acts as a buffer. It provides the circuit with an input impedance of around 250 000 has a voltage gain of slightly less than unity. ...
crystal radio audio amplifier circuit – Circuit Schematic
crystal radio audio amplifier circuit
A simple audio amplifier application a TL431 blow regulator. The amplifier will accommodate room-filling aggregate from an accustomed clear radio outfitted with...
audio stereo channel selector circuit – Circuit Schematic
audio stereo channel selector circuit
This circuit has accouterment for abutting stereo outputs from four altered sources/channels as inputs and alone one of them is selected/connected to the achiev...
tda2040 car stereo amplifier circuit – Circuit Schematic
tda2040 car stereo amplifier circuit
Car Stereo Amplifier Circuit with TDA2040 is shown here. TDA2040 is a monolithic integrated audio amplifier operating in Class AB mode. The IC has built in shor...
tone control circuit using tda1524a – Circuit Schematic
tone control circuit using tda1524a
This is an a simple Tone Control Circuit using TDA1524A. Is the heart pillar in the work that is IC chip diagram of Philip. You can use a tone control or a port...
multi channel audio mixer using lm3900 – Circuit Schematic
multi channel audio mixer using lm3900
The circuit consists of channel quad amplifier (LM3900). mic audio inputs and direct line inputs are circuit. By adding circuit parallel with this, increase of ...
low power wireless audio power amplifier – Circuit Schematic
low power wireless audio power amplifier
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stereo stk013 audio amplifier circuit – Circuit Schematic
stereo stk013 audio amplifier circuit
On the amplifier circuit using ic STK, the same as my previous posting. However, in the above circuit has 2 inputs and 2 outputs, or commonly called a stereo am...
3 band equalizer circuit – Circuit Schematic
3 band equalizer circuit
This 3 band equalizer circuit is an active filter network for bass, mid and high audio ranges. It is designed around the LM833 opamp from National Semiconductor...
spider sound – Circuit Schematic
spider sound
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dynamic mic mid boost schematic – Circuit Schematic
dynamic mic mid boost schematic
Dynamic Mic Mid Boost And Bass Rolloff Schematic Photo: dynamic mic mid boost and bass rolloff schematic. taken from documentation of a known working po .....
robotic voice generator – Circuit Schematic
robotic voice generator
Voice generator scheme schematic diagram. The family of chip-coders ISD2500 firm Winbond contains almost everything you need to record and play back voice messa...