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Amplifier Circuits:  Power Circuits  Page 1
Power Amplifiers:  #'s        A-D      E-M       O-S      T-Z
Amplifier -- Main Page  

Last Updated on: Thursday, May 21, 2015 07:26 AM

 
Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

1.5 W Power Amplifier type class-C -  This project explain how you can build and connect a powerful 1W amplifier to your FM transmitters… [maxit91 AT hotmail.com]

 

1.5 Watt Power Amplifier -  Here we put all the theory to work and present a simple power amplifier module that can be easily built with readily available components. The block diagram of the amplifier is shown in Fig. 1. It is typical of most audio amplifiers, although the circuit is somewhat different. … [© EFY Enterprises Pvt. Ltd. All rights reserved.]

 

1.5kW Power Amplifier -  Just the thing for those for whom no amount of power is enough  … [Rod Elliott (ESP)]

10 Watt Power Amplifier -  Simple Class A Amplifiers…

 

100 Watt Amp Circuit -  Guitar amplifiers are always an interesting challenge. The tone controls, gain and overload characteristics are very individual, and the ideal combination varies from one guitarist to the next, and from one guitar to the next. There is no amp that satisfies everyone's requirements, and this offering is not expected to be an exception… [Rod Elliott (ESP)]

 

1000 Watt 300 Volt RF Power Amplifier for 27.12MHz -  Application Note Microsemi-formerly Advanced Power Technology APT9701 …

 

100W RMS Amplifier -  This is a 100 watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performance (read: musical quality) than  standard STK module amps that are used in practically every mass market stereo receiver manufactured today. When I originally built this thing, it was because I needed a 100 WPC amp and… [by warren @ eggo.csee.usf.edu]

 

13.5 Watt Power Amplifier using a TL081 opamp and TIP125 / TIP120 power transistors -  A Very Simple 13.5 Watt RMS Power Amplifier, into an 8 ohm load. This was the Maximum output before Clipping on the Oscilloscope, using an 8 Ohm Resistive load.Supply Current was aproximately 17 mA… [G.L. Chemelec]

 

1W 10GHz Power Amplifier -  We briefly describe here the 2-stages PA built to increase the power of the homebuilt transverter without impacting its originally compact design. … [Andrea (IW9HJV) and Johnny (IW9ARO)]

 

2.8-GHz prescaler keeps cost down -  07/20/00  EDN Design Idea  The prescaler in Figure 1 inexpensively extends the range of a frequency counter by dividing the input signal’s frequency by a factor of 1000. The guaranteed input-frequency range.… [by Neil Eaton, Emsys Engineering, Peterborough, ON, Canada]

 

20 Watt Audio Power Amplifier using TDA2005M -  This IC chip was designed specifically for use in power boosting applications in automobiles. It is self protecting against short circuits and thermal problems. In the bridge configuration shown it will deliver 20 watts of power into a 2 ohm speaker operating at 14.4 volts.… [Randy Linscott]

 

20 Watt Class a Power Amplifier -  A single-ended Class-A amplifier is essentially one where there is only one active driven output device. The passive "load" may be a resistor, an inductor (or transformer) or - as in this amplifier - a current sink. Of the three basic options, the current sink offers the highest linearity for the lowest cost, so is the ideal choice.  Some esoteric (some might say idiosyncratic) designs use inductors or 1:1 transformers, but these are bulky and very expensive. Unless made to the utmost standards of construction, they will invariably have a negative effect on the sound quality, since the losses are frequency dependent and non-linear. … [Rod Elliott - ESP ]

 

20 Watt GaAs-FET Power on 2.3 GHz -  …

 

20 Watt Power Amplifier -  This IC chip was designed specifically for use in power boosting applications in automobiles. It is self protecting against short circuits and thermal problems. In the bridge configuration shown it will deliver 20 watts of power into a 2 ohm speaker operating at 14.4 volts.… [Circuit designed by Randy Linscott]

 

20 Watt/Channel Stereo Power Amplifier -  Based on the versatile LM1875 from National Semiconductor…

 

2304 & 3456 MHz Power Amplifiers -  …

 

27MHz toy car Transmitter -  schematic only, L1=same as L4,L2=15 turns,.5mm wire, 5mm diameter, L3=3.5 turns,.5mm wire, 5mm diameter]… [Peter Jakab, Electrical Engineer, Engineer of Informatics]

 

2-Channel Power Amplifier -  The design of our power amplifier is based on a general purpose power amplifier widely used in the electronics world. The chip (NTE 1606) we are using is used in many consumer stereo systems. We did some research and came out with a simple design that uses the NTE 1606 Power Amplifier chip…

 

2N2222 40 Meter CW/DSB Tranceiver -  In spring of 1998, NorCal sponsored a contest to design and build a project using no ICs and 22 or fewer 2N2222s as the active semiconductor devices. I thought this was a really intriguing idea, so I set about to design my version… [Monty Northrup]

  

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Power Amplifiers:  #'s        A-D      E-M       O-S      T-Z



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