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Using HEXFETs in High Fidelity Audio
https://sound-au.com/articles/hexfet.htm
HEXFETs have a nonlinear transfer curve up to about an amp or two, depending on the device(s) used. In a class AB amplifier, this characteristic is the cause for a majority of the THD. When driven with enough current, the device will follow the 'new' linear curve, since it is balancing out the nonlinear gate capacitance.
HEXFET-Based Medium Power Amplifier with 65W Output
https://www.eeweb.com/hexfet-based-medium-power-amplifier-with-65w-output/
HEXFET-Based Medium Power Amplifier with 65W Output. Posted Friday, January 27, 2012. The objective of the circuit is to create a medium power amplifier based on the functionality of a HEXFET to produce a good quality of sound while providing 65W of power output. BC550 – an NPN general purpose transistor with low current and low voltage used for …
400W RMS Hexfet MOSFET Amp - ePanorama
https://www.epanorama.net/sff/Audio/Circuits/Power_amplifiers-linear/400W%20RMS%20Hexfet%20Mosfet%20Amp.pdf
The symmetrical amplifier is an update of one of my designs, which appeared in the Australian electronics magazine Silicon Chip in June 1994. The main changes made in this design was the addition of a clipping detector circuit and bias circuit modifications for the use of International Rectifier HEXFET MOSFET’s.
Hexfet power amplifier | diyAudio
https://www.diyaudio.com/community/threads/hexfet-power-amplifier.27200/
It is impossible to say beforehand if this amp will work. This is an amp from Elektor magazine called hexfet amp. The problem with this amp is stability. It may, or may not be stable. The designers never figured out why it does work in one case and not in another. I know because I e-mailed about it with the designer ([email protected]).
HEXFET AMPLIFIER UPGRADE - Hobbielektronika.hu
https://www.hobbielektronika.hu/forum/getfile.php?id=212014
he Medium Power HEXFET amplifier published in this magazine in Decem-ber 1993 has one small drawback: it deliv-ers ‘only’ 60 W into 8Ω(or 120 W into 4 Ω). Otherwise, it is a first class amplifier that provides excellent music reproduction, which is evidenced not so much by mea-surement as by audition. To some listeners,
45W Power Audio Amplifier Circuit with HEXFET | Audio ...
https://www.pinterest.com/pin/45w-power-audio-amplifier-circuit-with-hexfet--656821926884372012/
45W Power Audio Amplifier Circuit with HEXFET. This is 45W power audio amplifier circuit which built using HEXFET IRF9540 and IRF540. This is a ideal solution for the make a good, low ... Олександр Якимович. 641 followers.
Application Note AN-1070 - Infineon Technologies
https://www.infineon.com/dgdl/an-1070.pdf?fileId=5546d462533600a40153559530600fe5
D audio amplifier and their relationship with amplifier’s performance such as efficiency, EMI, and THD. In addition, benefits and advantages of IR Digital Audio MOSFETs in class D audio amplifier are presented. Introduction Class D audio amplifier is a switching amplifier that consists in a pulse width modulator (with switching
Audio Articles in Elektor - Douglas Self
http://douglas-self.com/ampins/library/elektor.htm
Medium Power HexFET Amplifier: Ton Giesberts: Dec 1993: p8: S 100W High-End AF Power Amplifier: Ton Giesberts: Mar 1994: p HexFET Amplifier Upgrade: Ton Giesberts: Sep 1995: p: ... Sixties-style 40 W Audio Amplifier: J Kreutz: July/Aug 2011: p: P Consonant Control Preamplifier: Jan Buiting: Feb 2012: p: P Preamplifier 2012: Part 1: Douglas Self ...
Stereo audio amplifier using mosfet z44 - YouTube
https://www.youtube.com/watch?v=uwWCuq-PQXA
Hello friends, today in this video i have shown how to make a simple stereo audio amplifier using mosfet z44.Parts list:-2 × Mosfet z442 × 22uf capacitor2 ×1...
IRFI4212H-117P - Infineon Technologies
https://www.infineon.com/cms/en/product/power/mosfet/n-channel/irfi4212h-117p/
100V Dual N-Channel Digital Audio Power MOSFET in a TO-220 Full-Pak (Iso) package. The StrongIRFET™ power MOSFET family is optimized for low R DS (on) and high current capability. The devices are ideal for low frequency applications requiring performance and ruggedness. The comprehensive portfolio addresses a broad range of applications including DC motors, battery …
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