Distortion in power amplifiers frequency compensation
#power amplifier
#frequency compensation
#distortion
#audio
#operational amplifier
#signal processing
#electronics
#circuit design
#feedback
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power amplifier speaker protection
When powering on a power amplifier, a loud thump sound occurs due to a sudden heavy discharge current through the speaker. This current has the potential to damage the speaker, particularly in the case of a direct-coupled amplifier.
The phenomenon described...
Simple Audio Peak Detector
This audio peak detector enables the monitoring of a pair of stereo channels using a single LED. The circuitry employed for both the left and right channels is identical.
The audio peak detector circuit is designed to provide a visual indication...
Power amplifier
For most applications, the power provided by operational amplifiers (op amps) is adequate. However, there are instances where a greater power handling capability is required. A straightforward power booster that can drive moderate loads utilizes the NE5535 device. Other amplifiers...
Audio Mixer with one transistor
This single transistor audio mixer is utilized in an amplifier circuit design featuring a base-driven transistor, where the emitter is current-controlled. The majority of the driving current flows through the collector.
This audio mixer circuit employs a single transistor to mix...
Power amplifier 2X5W with TDA1516Q circuit
A simple stereo amplifier with minimal external components. It utilizes only one operational amplifier, which is capable of delivering an output power of 2x5W into a 4-ohm load, with a distortion of 0.5%.
This stereo amplifier circuit is designed to provide...
Power amplifier 65W with HEXFET
Cleaned Input: A medium power amplifier that is characterized by a lot of good sound quality, but simultaneously is very simple in the construction. It uses, enough time in active loudspeakers. In its output stage exist the very good FET...
Power Amplifier OCL 50W by Mosfet (K1058 + J162)
The 50W Power Amplifier OCL Mosfet (K1058 + J162) is simple to construct and cost-effective. It requires a power supply of +35V and -35V at 2A. The Power Mosfet used in this design is K1058 and J162.
The 50W OCL (Output...
Stereo amplifier circuit with LM1877
The LM1877 is a stereo amplifier designed to deliver 2W per channel into 8-ohm loads. It is intended to operate with a minimal number of external components, making it a versatile integrated circuit suitable for various audio amplification applications, such...
Amp Gain Block
The feedback in this circuit is DC coupled, connecting directly from the plate of the second triode to the cathode of the first triode, as opposed to the earlier design which utilized AC coupled feedback. The previous version exhibited instability...