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FET Circuits, Page 6
FET Circuits: 
#'s     A      B-D      E-H      I-L      M       N-S     T-Z
Last Updated on: Friday, July 18, 2008 11:32 AM
 


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

Making Use of Gate Charge Information In MOSFET and IGBT Data Sheets:  Application Note Microsemi-formerly Advanced Power Technology APT0103  ( app note added 2/07)

Matched Pair EPAD MOSFET  Array with a Single Supply:  Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 6/06)

Matched Pair EPAD MOSFET  with Dual Supplies:  Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 6/06)

Matching MOSFET  Drivers to MOSFETs:  Microchip Application Note Published 3-Aug-04   (app note added 2/06)

Micro Spy with FETs:  (circuit / schematic design added 6/06)

Micropower High-Side MOSFET  Drivers:  AN53 Linear Technology This application note describes the operation of high-side Nchannel MOSFET switch drivers designed specifically for operation in battery-powered equipment, such as notebook and palmtop computers and portable medical instruments. A selection guide simplifies the proper choice of MOSFET and driver for a particular high-side switch application. Circuits to drive and protect load impedances ranging from large inductors to large capacitors are described and a section on surface mount and copper clad shunts is included.

Microwave Power GaAs Device Thermal Resistance Basics (10/19/00) :  Application Note California Eastern Laboratories Doc #919  (app note added 6/06)

Mini-MosFet Audio Amplifier:  Including Preamp, Tone Controls and Regulated dc PS 18 Watt into 8 Ohm - 30W into 4 Ohm loads (added 2/07)

MOSFET  Beats Murphy's Law:  12/22/94 EDN-Design Ideas / (added 3/03)

MOSFET  Circuit Ups Regulator's Output Current:  02/01/96 EDN-Design Ideas / (added 3/03)   -Use a current mirror and a power MOSFET to increase the output-current capability of an IC-voltage regulator

MOSFET  Current Sensing:  Method of mirror current sensing a MOSFET (added 7/02)

MOSFET  Enhances Low Current Measurements using Moving Coil Meter:  09/15/05  EDN -Design Ideas  /   (added 11/05)   Venerable mechanical meter can measure ultralow currents, with some help.

MOSFET  Enhances Voltage Regulator's OverCurrent Protection:  03/03/05 EDN Design Ideas  / (added 5/05)  The classic LM317 adjustable-output linear voltage regulator offers a relatively high, if package-dependent, current-handling capability. In addition, the LM317 features current limiting and thermal-overload protection. With the addition of a few components, you can enhance an LM317-based voltage regulator by adding a high-speed short-circuit current limiter (Figure 1).

MOSFET  H-Bridge Schematic and Theory:  (electronic circuit added 4/05)

MOSFET  Power Amp:  DIY high power MOSFET amplifier200 Wrms 8 ohms -350 Wrms4 ohms (added 6/06)

MOSFET  Power Amplifiers:  A discussion of the benefits of the lateral MOSFET output devices used in today’s High Power audio amplifiers (added 5/02)

MOSFET  Poweramp:  DIY high power MOSFET amplifier200 Wrms 8 ohms -350 Wrms4 ohms (added 4/02)

MOSFET  Replaces Switch #1:  01/20/94 EDN-Design Ideas / (added 3/03)  By using a cheap, readily available MOSFET, you can use a single-pole switch to turn a bipolar power supply on and off without consuming extra power. In Fig1, the switch simply controls the MOSFET gate, which switches on the negative supply. Resistor R, which can be several megohms, is not necessary if the ±6V rails are permanently connected to a load, such as an op-amp circuit. Because the MOSFETs RDS(ON) is a fraction of an ohm, power loss is minimal, and the circuit suits moderate-consumption, battery-operated circuitry

MOSFET  Replaces Switch #2:  02/03/94 EDN-Design Ideas / (added 3/03) You can use a single-pole switch to turn a bipolar power supply on and off without consuming extra power

MOSFET  Serves as Ultrafast Plate Driver:  10/03/02 EDN Design Ideas  /  (added 1/05)  The circuit in Figure 1 provides a 20-MHz square wave across a set of highly capacitive ion-deflection plates in an experimental instrument. To get the required deflection, the plate voltage must be 20 to 30V, much higher voltage than conventional logic or driver families can provide. To minimize artifacts, the rise and fall times must be very fast, with a minimum of overshoot and ringing....

MOSFET  Shunt Regulator Substitutes for Series Regulator:  11/25/04   EDN-Design Ideas / (added 5/05)  You would normally use a series linear regulator or a dc/dc converter to obtain 3V dc from a higher supply. However, when breadboarding a concept, you may be able to use a shunt regulator, especially if a series regulator of the correct voltage is unavailable. The MOSFET in Figure 1 can replace a zener diode in a shunt regulator and provide lower output impedance than a zener diode....

MOSFET  Stabilized High Voltage Power Supply:  (circuit / schematic added 5/05)

MOSFET  Switch Provides Efficient AC/DC Conversion:  02/17/00 EDN-Design Ideas / (schematic / circuit added 11/03)

MOSFET  Test:  This testing procedure is for use with a digital multimeter in the diode test-range with a minimum of 3.3 volt over d.u.t. (diode-under-test). 
If your multi-meter is less than that it will not do the test.  Check your meter manual for the specs. (added 6/06)

MOSFET Linear Amplifier for 50 MHz:  Application Note Microsemi-formerly Advanced Power Technology APT9802  ( app note added 1/07)

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

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