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16 Watt Amplifier - this circuit provides 16 watts of amplification. it is built
using two LM383 power audio amplifiers. use suitable heat sinks with the ic's.
….(diagram added 6/03) |
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18 Watt Audio Amplifier - Can be directly connected to CD players, tuners and tape
recorders. Do not exceed 23 + 23V supply. Q3 and Q4 must be mounted on heatsink. D1
must be in thermal contact with Q1. Quiescent current (best measured with an Avo-meter
in series with Q3 Emitter) is not....(electronic circuit added 6/07) |
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2 Watt 2.3 GHz RF Amplifier using a MRF2001 - (diagram added 6/03) |
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2 Watt Amplifier (red circuits) - 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 devices fitted with line or headphone output. Of course, in most
cases you will have to make two boxes to obtain stereo....(circuit added 9/04) |
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2.3 GHz Power Amplifiers - Note: quality of text is poor. (added 4/05) |
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20 Watt Audio Amplifier (Aaron Cake) - Simple stereo amplifier based on TDA1554...
(circuit design added 06/06) |
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20 Watt Class a Power Amplifier - (schematic / circuit design added 9/02) |
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20 Watt GaAs-FET Power on 2.3 GHz - (diagram added 6/03) |
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20 Watt Stereo Amplifier (Randy Linscott) - This circuit is very basic to build
and puts out great power for your car or home. Keep all leads as short as
possible….(added 08/08/08) |
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20 Watt/ Channel Stereo Power Amplifier - Based on the versatile LM1875 from
National Semiconductor (circuit added 2/07) |
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20 Watt/Channel Stereo Power Amplifier - Based on the versatile LM1875 from
National Semiconductor (circuit / schematic added 9/02) |
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200 Watt Amplifier - (electronic schematic / circuit added 4/02) |
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200W ATX PC Power Supply - This power supply has ATX design and 200W performance.
I was drawed diagram, when I repaired this power supply. This power supply circuit
uses chip TL494. Similar circuit is used in the most power supplies with output power
about 200W....(electronic design added 6/07) |
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200W audio Amplifier - ….(circuit design added 08/08) |
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20dB VHF Amplifier - The amplifier is a circuit of high frequency RF with
distinguishable materials. The amplifier as circuit strengthens the tendency of signal
with concrete aid, depending on the frequency of signal. If the frequency of signal is
included in the limits of spectrum of frequencies….(electronic schematic added 08/08) |
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20W Amplifier (Aaron Cake) - The 22 watt amp is easy to build, and very
inexpensive. The circuit can be used as a booster in a car audio system, an amp for
satellite speakers in a surround sound or home theater system, or as an amp for
computer speakers.....(electronic circuit added 4/05) |
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22 Watt Stereo Amplifier - The 22 watt amp is easy to build, and very inexpensive.
The circuit can be used as a booster in a car audio system, an amp for satellite
speakers in a surround sound or home theater system, or as an amp for computer
speakers. The circuit is quite compact and uses only about 60 watts.….(electronic
schematic added 03/08) |
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22W Stereo Amplifier - This circuit is very basic to build and puts out great
power for your car or home. Keep all leads as short as possible….(design added 03/08) |
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25 Watt MosFet Audio Amplifier - High Quality simple unit. No need for a
Preamplifier (added 9/04) |
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2W Amplifier - Amplifier operates in Class AB mode; single 470R preset resistor
controls quiescent current flowing through BD139/140 complimentary output
transistors. Adjustment here, is a trade-off between low distortion and low quiescent
current. Typically, ... (added 2/07) |
