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2x58w stereo power amplifier with ka2211audiofree circuit diagram
stereo power amplifier 4w 8w with tda2005
This circuit [Fig.1] is a class AB stereo audio power amplifier designed by Quasar for quality hi-fi applications using a TDA2005 module. It is easy to construct and has a minimum of external components. The module has output current protection and thermal protection. This is circuit, which produces an excellent sound. The supply voltage...
18w 18w stereo hi fi audio amplifier tda2030
2 x 18W Hi-Fi Stereo Power Amplifier based around two TDA2030 ICs. It has good input sensitivity, low distortion, good operating stability and full protection against overloads and output short-circuits. It can be used as a booster amplifier for existing small systems or to drive a second pair of speakers besides the ones already connected to...
stereo to mono converter based on fet
This simple circuit mixes two or more channels into one channel (e.g. stereo into mono). The circuit can mix as many or as few channels as you like and consume very little power. The mixer is shown with two inputs, but you can add as many as you want by just duplicating the ""input sections"" which are clearly visible on the schematic..
quality stereo wireless microphone or audio link
This stereo FM wireless microphone also makes a great quality audio link. We tested it to beyond 50 meters and it was rock solid. It s certainly not the first wireless microphone we ve ever published but this one is a little different. It s stereo, providing surprisingly good quality sound. Second, it has a really good range. We tested it at...
2 X 22 Watt Stereo Amplifier Circuit using IC TDA 1554
A high quality stereo amplifier circuit of 44 Watts (22 Watts per channel) using TDA 1554 IC. This is a powerful audio amplifier circuit for 2 channels..
2X15 Watt stereo amplifier using TDA4935
TDA4935 is bipolar stereo amplifier IC that can be wired as a 2X15W stereo amplifier or a 30W mono BTL amplifier. The IC also features built in circuitry for over load protection and over temperature shut down. Here the IC is wired in stereo mode in order to deliver 15W power on each speaker. The circuit does not require a dual power supply and it
3 W Stereo amplifier using MAX 7910-Audio power amplifier circuit
An audio power amplifier circuit for 3 watts stereo amplifier using max 7910 IC is explained below..
Car Stereo Amplifier Diagram and Schematics using TDA1553 IC
A car stereo amplifier circuit that can be used in automobiles, designed using Class-B audio amplifier TDA1553, with circuit diagram and schematics..
FM adaptor circuit for car stereo
With this compact FM adaptor circuit plugged into the audio out of your cassete player or i Pod out put, you can listen your favorite music on your car stereo. This circuit is very useful if your car stereo doesnot have an auxillary in socket. The circuit is nothing buy an short range FM transimitter. The FM transmitter circuit is based on low...
FM stereo demodulator circuit based on AN7415. 3V operation good channel seperation
AN7415 based FM stereo demodulator circuit. 1.6 to 7V operating voltage range. High gain and low distortion..
LA3161 Stereo Preamplifier for car stereo 12V operation
LA3161 is an integrated 2 channel pre-amplifier intended for car stereo applications. LA3161 Stereo Preamplifier can be operated from 12V DC..
LM1800 Stereo Demodulator
LM1800 is an integrated FM stereo demodulator IC which has a number of good features integrated on it which makes it possible to design a high quality FM stereo demodulator system with excellent sound quality. The LM 1800 uses phase locked loop technology to regenerate the 38kHz sub carrier from the composite signal. The features of LM 1800 are au
Stereo balance indicator
This is one of the simplest stereo balance indicator circuit that you can have. The circuit will give a visual indication (using two LEDs) proportional to the difference in balance between the left and right channels of a stereo system. The circuit is based on a uA741 opamp IC. The IC compares the signals from the two channels and when both signal
Stereo decoder circuit using MC1310P
Simple FM stereo decoder circuit using MC1310P IC. 12V operation, 40dB channel seperation. Suitable for stereo FM receivers..
High quality Stereo FM transmitter using BA1404
A simple and high quality FM transmitter circuit designed based on the BA1404 IC .This FM transmitter circuit can be operated from a 3 V battery..
Stereo preamplifier with tone control
Here is the circuit diagram of an excellent stereo preamplifier with tone control using the IC TDA1524 from Phillips. The IC requires very few external components, has very low noise and has a wide power supply voltage range. POTs R1 to R4 can be used for controlling the volume, balance, bass and treble respectively. LED is D1 is a power ON indica
Stereo VU meter - 2 channel audio level meter
Stereo VU meter / 2 channel audio level meter using IC TA7666P. Volume level of each channel is displayed using 5 LEDs .This loudness meter uses minimum number of external componets..
AN12974A Stereo Power Amplifier With Built-in AGC Circuitry And SPATIALIZER
ASSP For Communication AN12979A AN12979A is the stereo BTL Amplifier which contained the AGC circuit for clip prevention of a speaker output. 2 This IC performs a mode change by the I C bus control system. (Standby function ON/OFF change etc. ) By Panasonic USA
BA1451F Am Radio / Fm If Stereo System Ic
The BA3822LS BA3822FS BA3823LS and BA3824LS are monolithic, five-point stereo graphic equalizer ICs. Each IC has two channels, and the five center frequencies for each channel are independently set using external capaci- tors. These ICs feature a wide operating power supply voltage range (VCC = 3. 5V to 14V), and are available in compact 24-pin SZI
BA3822FS 5-channel Stereo Graphic Equalizer
CS4328 18-Bit Stereo D/A Converter For Digital Audio
The CS4811 is a complete Audio effects processing system on a chip. This device integrates a proprietary 24- bit Audio processing engine, large on-chip RAM Memories and a high performance 24-bit Audio CODEC A serial control port allows the device to boot firmware from a compact and low cost SPI or I 2C serial EEPROM Other features such as single +
EUA2123 20-W Stereo Class-D Audio Power Amplifier
This Application Note describes the evaluation board for the AD7892-2 12-Bit A/D converter The AD7892-2 is a high speed, low power, 500ksps successive approximation ADC which operates from a single +5V supply. It incorporates an on chip track/hold Amplifier an internal +2. 5V reference and on- chip versatile Interface structures that allow both ser
KIA7217AP 5.8W AUDIO POWER AMPLIFIER. CAR STEREO CAR RADIO OUTPUT
As a wideband PLL FM Demodulator the UTC L2572 is intended for application in satellite Tuners primarily. The device includes all the necessary elements, with external Oscillator sustaining network and the exception of loop feedback components, to form a PLL system operating at frequencies up to 800MHz completely. An AFC with window adjust (whose
LA1175M FM Mixer IF AGC Driver Buffer For Car Radios Stereo Systems
LA3361 PLL FM Multiplex Stereo Demodulator
The LA3370 is a multiplex IC for FM car stereo, and it has the following 2 functions through its utilization of the IF meter output voltage, etc. 1. Stereo noise control (SNC) under which the noise particular to the FM stereo unit in the weak electric field is reduced smoothly. 2. High-cut control (HCC) under which the high frequency is smoothly a
LA3370 PLL FM Stereo Demodulator For FM Car Radios
The LA3401 is an MPX IC for FM car stereo use. It con- tains the VCO non-adjusting function, skip noise eliminat- ing function, and pilot cancel function and is packaged in a 16-pin SIP. By Sanyo Semiconductor Corporation
LM4550 Ac\97 Rev 2.1 Multi-channel Audio Codec With Stereo Headphone Amplifier Sample Rate Conversion And National 3d Sound - National Semiconductor
The LM4610 is a DC controlled Tone (bass/treble), volume and balance circuit for stereo applications in car Radio TV and Audio systems. It also features Nationals 3D-Sound Cir- cuitry which CAN be externally adjusted via a simple RC Net- work. An additional control input allows loudness compensa- tion to be simply effected. Four control inputs pro
LM4844 Stereo 1.2W Audio Sub-System With 3D Enhancement
The LMC568 is an amplitude-linear phase-locked loop consisting of a linear VCO fully balanced phase detectors, and a Carrier detect output. LMCMOS technology is employed for high performance with low power consumption. The VCO has a linearized control range of 30% to allow demodulation of FM and FSK signals. Carrier detect is indicated when the P
LV2282VA FM Transmitter IC With Stereo Modulation
The LV2283VB is an FM Transmitter IC. MPX block makes stereo modulated, composite signal from L and R sound 2 inputs. RF VCO includes FM modulation function. PLL synthesizer determines RF output frequency with I C control. By Sanyo Semiconductor Corporation
LV2283VB FM Transmitter IC With Stereo Modulation
MS6712 4 Stereo Inputs And 4-Channel Outputs Volume Tone Balance Fader Loudness And Selectable Input Gain
The MS6714 is a 4 stereo inputs/2-channel outputs digital control Audio Processor for the low voltage operation. Volume, Tone (bass and treble), and balance (left/right) processor are incorporated into a single chip. The MS6714 also has the loudness function and selectable input gain. These functions CAN be built a Hi-Fi Audio system easily. All 2
Audio Filters Circuits
Audio Amplifier Circuits
Audio Oscillator Circuits
Audio Mixer Circuits
Audio Equalizer Circuits
Audio Tone Balance Circuits
Beeper Buzzer Circuits
Vacuum-Tube Valves Circuits
Musical & Effects Circuits
Ultrasonic distance finder circuit
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is measured. There are three main categories of distance measurement methods in use: a) By...
Simple Metal detector circuit with CD4030
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to find something potentially valuable, hidden a few centimeters below the soil. So many...
Fully automatic watering circuit for flower pots
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This circuit comes as a solution to this problem. Depending on humidity of the pot at...
Simple deep searching metal detector circuit
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the circuit of this metal detector, it is possible to detect a metal coin in depth of 90 to...
Sub-Harmonic Bass Converter for Electric Guitars
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound, such as filtering or distortion. Instead, a frequency division system produces outputs...
Echo Depth Sounding Sonar for Boats
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the calibration of the rope. This arrangement still exists in some yachts. The big...
100W HiFi Audio Amplifier Circuit
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power supply must be symmetrical so that no electrolytic capacitors are needed at the outlet....
Plant-Pot Water Level Indicator Circuit
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower. The circuit of the device is shown in Figure 2. The water detection is made from the bottom...
Analogue Sound Preasure dB-Meter Circuit
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz to about 13KHz and depend on the age and health of the individual. We for our measurements and to have a good accuracy we will get the limits of 20Hz to 20KHz. A sound to be heard does...
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