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Ipod Stereo FM transmitter with 1W output power - This project explain how you can
build and connect a powerful 1W amplifier to your FM transmitters…(electronic design
added 03/08) |
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Leach Amp 120 Watt Power Amplifier - Latest update of the "Low Tim Amplifier",
Claimed to be a very good sounding design (added 6/06) |
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LM1875-20-W Audio Power Amplifier - The LM1875 is a monolithic power amplifier
offering very low distortion and high quality performance for consumer audio
applications...(added 04/03/02) |
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Low Cost 1000 Watt 300 Volt RF Power Amplifier for 27.12MHz - Application Note
Microsemi-formerly Advanced Power Technology APT9701 ( app note added 2/07) |
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LX5506M High Gain, High Efficiency Power Amplifier Also see LX5506 & LX5506B-AN-36
- Application Note 36 from Microsem (app note added 6/06) |
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Mammoth I - Mamont (aka Mammoth, Mamoet, Mammut ...) power amp was built around
Atma-Sphere M-60 design. Atma-Sphere site had enough info on the amp schematic and
after-market mods and tweaks. Output tubes (8 per channel, 1977 Svetlana 6AS7) are
actually running at 155V, 75mA per triode....(added 07/07/07) |
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Method to Reduce DC Power Consumption in CDMRF Power Amplifiers Through the LMV225 &
an Efficient Switcher - National Semiconductor Application Note (app note
added 6/06) |
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MOSFET Follower Power Amplifier - Another contributed project that may be of great
interest (circuit added 6/07) |
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MOSFET Power Amp (project 101) - 200W MOSFET Hi-Fi Power amplifier
(schematic added 6/07) |
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Motorola Hi-Fi power amp - This is a very simple, low cost, Hi-Fi quality power
amplifier. You can build it 5 ways, like it's shown in the table (from 20 W to 80 W
RMS). |
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Opamp Based Power Amplifier - This is a contributed project, and has some interest
as a learning exercise (circuit added 6/07) |
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Power Amplifier has Transient Rail to Rail Swing - 09/29/94 EDN-Design Ideas: Has
transient rail-to-rail swing special common-drain MOSFET-based power op amp
circuit.....(design idea added 4/02) |
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Power Considerations for the TC4864 Audio Power Amplifier - Microchip Application
Note Published 18-Jul-01 (app note added 2/06) |
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Project 3A-60-100W Hi-Fi Power Amplifier - This new amp (like the original) is
based on an amp I originally designed many years ago, of which hundreds were built.
Most were operated as small PA or instrument amps, but many also found their way into
home hi-fi systems. The amp is …(electronic circuit added 08/08/08) |
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Proper Analog Wiring of Power Amplifiers Apex-AN28 - Apex App Note (added
08/08/08) |
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Simple Capacitance Multiplier Power Supply for Class-A Amplifiers - (electronic
circuit added 4/05) |
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Simple Current Feedback Power Amplifier - 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
….(schematic added 9/02) |
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Simple Method to Reduce DC Power Consumption in CDMRF Power Amplifiers Through the
LMV225 & an Efficient Switcher - National Semiconductor Application Note
(app note added 6/06) |
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Simplest Ever Amplifier Bridging - Use this simple method, and avoid external
circuits (electronic circuit added 4/05) |
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Single Chip 50 Watt/8 Ohm Power Amplifier sound.ad - Uses LM3876 Hi-Fi amplifier
IC from National Semiconductor (added 6/06) |
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Single Supply Operation of Power Amplifiers Apex-AN21 - Apex App Note (added
08/08/08) |
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Soft Start Circuit for Power Amps - Designed for (large) toroidal transformers,
limit the inrush current to a sensible value. (circuit / schematic design added
6/06) |
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Stability for Power Amplifiers Apex-AN19 - Apex App Note (added 08/08/08) |
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TDA1010 9W Power Amplifier - The TDA1010 is a monolithic integrated class-B audio
amplifier circuit in a 9-lead single in-line (SIL) plastic package. The device is
primarily developed as a 6 W car radio amplifier for use with 4 Wand 2 Wload
impedances. The wide supply voltage...(design added 07/07/07) |
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TDA1011 6.5W Power Amplifier - The TDA1011 is a monolithic integrated audio
amplifier circuit in a 9-lead single in-line (SIL) plastic package. The device is
especially designed for portable radio and recorder applications and delivers up to 4
W in a 4 W load impedance...(design added 07/07/07) |
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TDA1013 4.2W Power Amplifier - The TDA1013 is an integrated audio amplifier
circuit with DC volume control, encapsulated in a 9-lead single in-line (SIL) plastic
package. The wide supply voltage range makes this circuit ideal for applications in
mains and battery-fed apparatus such as ...(design added 07/07/07). |
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TDA2002 8W Car Radio Power Amplifier - TDA2002 8W Car Radio Power Amplifier with
10V-14V single rail voltage supply. Power output is 8W. Recommended for speakers with
2-8 ohm impedance....(design added 07/07/07) |
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TDA2003 10W Power Amplifier - TDA2003 10W Power Amplifier powered by 8-14V single
rail voltage supply. Recommended for speakers with 2-8 ohm impedance....(design added
07/07/07) |
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TDA2006 12W Power Amplifier - 12W TDA2006 power audio amplifier with 11V to 14V
single voltage supply. For speakers with 2-8 ohm impedance....(design added 07/07/07) |
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TDA2030-14W Single Chip Power Amplifier - There are many instances where a very
simple to build (and relatively cheap) power amplifier is needed. The TDA2030 is a
single chip amplifier capable of 14W output into 4 ohms with a few external
components.It can be used for almost any application you could think of...(design
added 07/07/07). |
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The Alexander Current-Feedback Audio Power Amplifier - AN-211 Analog Devices
Application Notes (app note added 6/06) |
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The GEM: Class-A//AB Amplifier - The GEM is an audio power amplifier embodying
simultaneously active Class A and Class AB output stages for 100+ Watts into a 4 ohm
loudspeaker. The front end pcb will drive up to 100+W variants, or the 200+ Watts
version into a 4 ohm loudspeaker load. (electronic design added 05/08) |
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The Leach Amp - One amplifier builder found that the 2N5416 PNP transistors that
he purchased were NPN. I have tested them and verified this. Two of the transistors
are shown in the linked photo. They are identified by the letters ON surrounded by a
circle, signifying they are products of ON Semiconductor. You can check...(added
07/07/07) |
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The Leach SuperAmp - 270 watt Double Barreled Amplifier published in Audio
magazine... (circuit design added 7/06) |
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To 3 Case Low Power Amplifier - (electronic circuit added 7/03) |
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TPA3001d1EVM Evaluation Module - The TPA3001D1 is a 20-W mono Class-D audio power
amplifier designed for 12V to 18V applications with a 4to 8-Ohm minimum speaker
impedance. The efficient Class-D operation reduces solution size and cost by
eliminating the need for heat sinks..... (added 3/05) |
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TPA3007d1 Evaluation Module - The TPA3001D1 is a 20-W mono Class-D audio power
amplifier designed for 12V to 18V applications with a 4to 8-Ohm minimum speaker
impedance. The efficient Class-D operation reduces solution size and cost by
eliminating the need for heat sinks..... (added 3/05) |
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Two Channel Power Amplifier #2 - The2-Channel Power Amplifier based on NTE1606.
The circuit is powered by a12V,10-Amp power supply. The power of the output channels
is4 W connected to 8-ohm loudspeakers |
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Ultra-Low Quiescent Current AF Power Amplifier - This is an audio power amplifier,
similar to what is common in transistor radios and other portable audio equipment.
This circuit however, has an ultra-low quiescent current of about 250uA, due to a
unique bias circuit. I don’t even know of a chip that does that. This circuit also has
much higher open-loop gain, due ....Designed by Andrew R. Morris (added 09/05) |
