Hi-Fi Preamplifier Circuit Project
This circuit has an exceptionally fast high frequency response, as demonstrated by applying an 100kHz square wave to the input. All graphs were produced using T...
Electret Mic AmplifierCircuit Project
All resistors are 5 or 10 percent tolerance, 1/4-watt all capacitors are 10 percent tolerance, rated 35 volts or higher. This circuit amplifies the output of a ...
ECM Mic Preamp Project
Both transistors should be low noise types. In the original circuit, I used BC650C which is an ultra low noise device. These transistors are now hard to find bu...
Power Amplifiers Audio Circuits
Class D amplifiers are much more efficient than other Classical amplifiers, but their high efficiency comes at the expense of increased noise and distortion. Yo...
Power audio amplifier schematics with Tda2005
The Tda2005 IC has a high output power: PO=10W+10W @ RL=2ohm, d=10% (stereo) and PO=20W @ RL=4ohm, d=1% (bridge) for Vs=14. 4V. The high reliability of the IC c...
10W audio amplifier with TDA2003
TDA2003 has improved performance with the same pin configuration as the TDA 2002. The features of TDA 2002 - very low number of external components, ease of ass...
7W Mono Audio Amplifier Kit
7W Mono Audio Amplifier Kit - This small amplifier is constructed around the TDA2003 IC, capable of delivering 7 watts music power into 4 ohms.....
170W Class D Amplifier schematic diagram
The combination of the LM4651 driver IC and the LM4652 power MOSFET Class D power amplifier IC provides a high efficiency amplifier solution, suitable for self-...
10W Class D Power Audio Amplifier with TDA7480
Class D audio power amplifier schematic diagram with TDA7480, capable of 10W output power at a load of 8w/4w and a total harmonic distorsion of 10%. Requires a ...
Video amplifier circuit
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Moduler Preamplifier Circuit
This Module employs an unusual topology, still maintaining the basic op-amp circuitry of the Main Module with a few changes in resistor values. A special featur...
Audio Booster circuit
The amplifier`s gain is nominally 20 dB. Its frequency response is determined primarily by the value of just a few components-primarily C1 and R1. The values of...
Modular Class A Buffer preamplifier circuit
A unit which is often very useful, if we need to isolate, in sound circuits, two stage between them. Then we can use this circuit which has an amplified unit, w...
Stereo Headphone Amplifier Circuit
Apart from the obvious usage as a headphone amplifier, the circuit can be used for a range of applications where a wide bandwidth low power amplifier is needed....
Pure Class-A Headphone Amplifier Schematic
The mentioned shunt-feedback configuration also allows the easy addition of frequency dependent networks in order to obtain an useful, unobtrusive, switchable T...
A Hiqh Quality Headphone Amplifier
Some lovers of High Fidelity headphone listening prefer the use of battery powered headphone amplifiers, not only for portable units but also for home "table" a...
60 Watt Audio Power Amplifier
In the original circuit, a three-diode string was wired in series to R10. Two of these diodes are now replaced by a red LED in order to achieve improved quiesce...
36 Watt Audio Power Amplifier Using TDA1562Q circuit
It`s based on a Philips class-H audio amplifier IC and can deliver 36W RMS OR 70W music power, all from a 13.8V supply. Our new Mighty Midget Amplifier can real...
2Watt Audio Amplifier circuit
This amplifier was designed to be self-contained in a small loudspeaker box. It can be feed by Walkman, Mini-Disc, iPod and CD players, computers and similar de...
25 Watt Audio Amplifier Circuit
This is a 25 Watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performance than the standard STK modul...