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FET Circuits, Page 1
FET Circuits: 
#'s     A      B-D      E-H      I-L      M       N-S     T-Z
Last Updated on: Friday, October 16, 2009 03:41 AM

Circuits Designed by Dave Johnson, P.E. :

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

-/+-0.1V Differential Amplifier Circuit using Zero Threshold EPAD MOSFETs  - This circuit presents a differential amplifier using Zero Threshold EPAD MOSFETs that oooooperates on 1/- 0.1v supplies.  The schematic diagram is for a single amplifier stage…Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 6/06)
0.6/1.6 MHz Boost Converters with 22V Inrternal FET Wsitch in SOT-32 - National Semiconductor Application Note LM2731 July 2003 (app note added 2/05)
2 Transistor Transmitter - A compact 2 transistor transmitter for use at VHF frequencies…..(schematic / circuit design added 8/08)
2 Watt Amplifier (Andy Collinson) - Low distortion Amplifier using discrete components (added 6/06)
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 / schematic design added 6/06)
20 Watt GaAs-FET Power on 2.3 GHz - (circuit / schematic design added 6/06)
25 Watt MosFet Audio Amplifier - High Quality simple unit. No need for a Preamplifier (added 9/04)
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.....(circuit / schematic design added 6/06)
2-Step Power Conversion: Portable Power for the Future - Design Solutions 8  Design Notes (Linear Technology)  (app note added 6/06)
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 6/06)
300v Peak to Peak Signal Generator - This circuit converts a square wave signal to a +-150 volt output signal with fast 100nS rise and fall times. ….(designed by David A. Johnson)
300W MOSFET Linear Amplifier for 50 MHz - Application Note Microsemi-formerly Advanced Power Technology APT9802  ( app note added 2/07)
500W, Class E 27.12 MHz Amplifier Using A Single Plastic MOSFET - Application Note Microsemi-formerly Advanced Power Technology APT9903  ( app note added 2/07)

 
FET Circuits:  #'s     A      B-D      E-H      I-L      M       N-S     T-Z
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