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Eliminating Parasitic Oscillation between Parallel MOSFETs - Application
Note Microsemi-formerly Advanced Power Technology APT0402 ( app note added 2/07)
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FET audio mixer (Aaron Cake) - This simple circuit mixes two or more
channels into one channel (eg. stereo into mono).....(circuit / schematic design added
7/02) |
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FET biasing targets battery-powered PWM applications - 21-Nov-05 Issue of
EDN Reference provides constant bias voltage regardless of supply-voltage
variations..... [Design Idea by Steve Franks, Franks Development LLC, Tucson, AZ;
Edited by Brad Thompson and Fran Granville] |
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FET Circuit Applications - National Semiconductor Application Note.....[App
Note] |
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FET Input High Speed Light Detector - This circuit is yet another design
that converts current from a PIN photo diode to a voltage. It has a bandwidth that
extends beyond 50MHz. …. [Designed by David A. Johnson] |
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FET Preamp Cable - (electronic diagram added 6/03) |
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Finger Touch Activated Switch - It does not get any easier if you want a
solid-state switch that is activated by the touch of a finger. Two small metal pins
route voltage through the finger skin to a MOSFET switch. The circuit is great for
situations where a membrane type mechanical switch is not desired. …. [Designed by
David A. Johnson] |
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FM Transmitter - A compact 2 transistor transmitter for use at VHF
frequencies…. [Andy Collison] |
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Fuzz-Box - All-FET design. Valve-like distortion behavior (added 3/05)
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Gate Drive Design for Large Die MOSFETS - The successful design of robust
gate drive circuitry for high voltage, very high current MOSFET devices is no
different than designing driver circuitry for smaller devices and depends on an
understanding of the drive requirementsApplication Note Microsemi APT9302 ( app
note added 4/08) |
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Gate-drive method extends supply's input range - 26-Jun-03 Issue of EDN
Industrial and telecom applications often require a nonisolated, low-voltage supply
from a high-voltage input. IC manufacturers have responded to that need with the
application of high-voltage processes and offer control ICs that work to 50V and
higher. That voltage is sometimes insufficient, and you need further design techniques
to extend the input voltage..... [Design Idea by John Betten and Robert Kollman, Texas
Instruments, Dallas, TX] |
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H-BRIDGE Theory & Practice - A number of web sites talk about H-bridges,
they are a topic of great discussion in robotics clubs and they are the bane of many
robotics hobbyists. I periodically chime in on discussions about them, and while not
an expert by a long shot I've built a few over the years. Further, they were one of my
personal stumbling blocks when I was first getting into robotics.....[Chuck McManis]
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High Current MOSFET Flip Flop with Debounced Pushbutton - This circuit
was adapted from the "Toggle Switch Debounced Pushbutton" by John Lundgren. It is
particularly useful in controlling a load from several locations where the load may be
switched on from one location and switched off from another. Any number of momentary
(N/O) switches or push buttons may be connected in parallel. The
circuit.....(electronic schematic / circuit added 11/05) |
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High Impedance JFET Buffers - I have used these circuits many times.
They are great when you need a low gain AC signal amplifier with a very high input
impedance. It is good to beyond 50MHz. (added 12/04) …. [Designed by David A.
Johnson] |
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High Voltage, High Efficiency MOSFET RF Amplifiers - Application Note
Microsemi-formerly Advanced Power Technology APT0001 ( app note added 2/07)
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High-impedance FET probe extends RF spectrum analyzer's usable range -
21-Jul-05 Issue of EDN Op amp and careful design/construction build
high-impedance RF probe..... [Design Idea by Steve Hageman, Windsor, CA; Edited by
Brad Thompson and Fran Granville] |
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High-side driver feeds IGBTs and MOSFETs - 11/23/00 EDN-Design Ideas The
low- to moderate-power system in Figure 1 provides the interface between a pulse-width
modulator and a high-side IGBT (insulated-gatebipolar-transistor) or MOSFET switch.
You can use it to interface TTL or CMOS circuitry to an H-bridge..... [Design idea by
Carlisle Dolland, Honeywell Engines and Systems, Torrance, CA] |
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High-Voltage MOSFET Behavior in Soft-Switching Converters: Analysis & Reliability
Improvements - The benefits of soft-switching converters, and in particular
zero-voltage switching (ZVS, also called zerovoltage-transition [ZVT] or
resonant-transition) circuits, are well-known. High-frequency converters powered from
high source voltage show significant improvements when operated with soft switching.
Application Note Microsemi APT9804_04 ( app note added 4/08) |
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Hot Swap & Blocking FET Control using 2 x ADM1073 Hot Swap Controllers -
AN-694 Analog Devices Application Note.....[App Note] |
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HT04 Series - Supertex Semiconductors (app note added 2/06)
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