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45W HEXFET Power Amplifier - An ideal solution
to make a good, low cost power amplifier… |
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4W Amplifier - I have recently included a page
about AF amplifers for use with Homebrew rigs. In
this I mentioned that I may include a practical
one-watt circuit, complete with PCB foil and layout.
Here it is, but I have taken the liberty of
engineering it to provide 4-watts of AF output and
with a frequency response almost suitable for Hi-Fi
applications.. |
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55 Watt Originally 75W Power Amplifier |
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60 Watt into 8 Ohms Power Amplifier - A simple
amp to build, uses commonly available parts and is
stable and reliable |
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60 Watt Power Amplifier |
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60-100W Hi-Fi Power Amp - 100W into 4 or 8
ohms. Has excellent performance, and is easy to
build. |
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60W Class-A Power Amp - circuit is on last
page. There is one amplifier configuration that is
universally accepted as the ideal for audio use:
Class A operation. Many early amplifiers operated in
Class A |
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65W HEXFET Power Amplifier - A medium power
amplifier that is characterized by a lot of good
sound quality, but simultaneously is very simple in
the construction. Him uses, enough time in my active
loudspeakers. In his output stage exist the very
good FET transistors, technology HEXFET |
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A High-Efficiency 400 Watt 13.56 MHz RF Power
Amplifier - Application Note Microsemi formerly
Advanced Power APT9501 |
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A Simple Capacitance Multiplier Power Supply For
Class-A Amplifiers - A basic circuit is provided
in the article, but it is assumed that the builder
knows all the pitfalls. The supplied schematic is in
fact for a capacitance multiplier filter (not a
regulator), but is somewhat lacking (I feel) and can
be improved dramatically.. |
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Ampli MOSFET - DIY high power MOSFET
amplifier200 Wrms 8 ohms -350 Wrms4 ohms |
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AN-211: The Alexander Current-Feedback Audio Power
Amplifier - AN-211 Analog Devices Application
Notes |
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AN-36 LX5506M High Gain, High Efficiency Power
Amplifier Also see LX5506 & LX5506B -
Application Note Microsemi 1701 |
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AN-60-009 High IP3, wide band, balanced linear
power Amplifier HELA-10 - Application Note
MiniCircuits.com |
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AN-60-033 Enhanced Linearity in the HELA-10 Power
Amplifier - Application Note MiniCircuits.com |
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AN-673: 2-Way Multiplexed LCD Drive & Low Cost
A/D-Converter using V/F Techniques with COP8
MicroControllers - National Semiconductor
Application Note |
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AN794: Power Considerations for the TC4864 Audio
Power Amplifier - Microchip Application Note
Published 18-Jul-01 |
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AN808: Using the TC1142 for Biasing a GaAs Power
Amplifier - Microchip Application Note Published
12-Nov-02 |
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Apex-AN19 Stability for Power Amplifiers -
11/2004, AN19UREVC : 1369 Kb (Apex App Note added
08/08/08) |
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Apex-AN20 Bridge Mode Operation of Power Amplifiers
- 11/2004, AN20UREVD : 288 Kb |
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Apex-AN21 Single Supply Operation of Power
Amplifiers - 1/1998, AN21UREVB : 372 Kb |
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Apex-AN28 Proper Analog Wiring of Power Amplifiers
- 2/1998, AN28UREVB : 126 Kb |
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Bridge Mode Operation of Power Amplifiers Apex-AN20
- Apex App Note |
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Capacitance Multiplier Power Supply for Class-A
Amplifiers - Extremely low ripple supply with
less power dissipation than a regulator |
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Current Feedback Amp - The amplifier shown here
was previously incorrectly referred to as
'El-Cheapo'. Thanks to a reader who had a copy of
the original 1964 article, it was immediately
obvious that my recollection was flawed in the
extreme… |
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Dancing lights (Seiichi Inoue) - started this
project with the idea to build a simple single-ended
tube amplifier. I didn't have any experience with
the construction of tube amps so I was looking for a
beginner's project. Such a project should be simple
(for easy debugging) and it should |
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Dual Phantom Power Pre-Amp |
