All Sections: Fairchild Semiconductor

1. ---
   Михаил Шустов
   Circuits ON Semiconductor LM339
   Jul 2, 2025

2. +5V powered charge pump battery charger
   David A. Johnson
   Circuits Texas Instruments SN74HC14
   .. with a voltage doubler charge pump circuit. Materials on the topic Datasheet Texas Instruments SN74HC14 Datasheet Fairchild 1N5819 discovercircuits.com
   Jun 30, 2025

3. 1 amp current injector circuit
   David A. Johnson
   Circuits Texas Instruments LM385-1.2 LM393 TLC555
   .. Texas Instruments LM385-1.2 Datasheet Texas Instruments LM393 Datasheet Texas Instruments TLC555 Datasheet New Jersey Semiconductor IRF521 discovercircuits.com
   Jun 26, 2025
4. Ian Beavers
   Authors
   .. Devices, Durham, North Carolina. He has worked for the company since 1999. Ian has over 25 years of experience in the semiconductor industry. Ian earned a bachelor’s degree in electrical engineering from North Carolina ...
   Jun 18, 2025
5. 2P4M — Datasheet Inchange Semiconductor
   Datasheets Inchange Semiconductor 2P4M
   

   Plastic Molded Thyristor in TO-202 package
   Jun 18, 2025
6. IRF250 — Datasheet Inchange Semiconductor
   Datasheets Inchange Semiconductor IRF250
   N-Channel MOSFET Transistor in TO-3 Package
   Jun 18, 2025
7. A two-way Wilson current mirror
   Stephen Woodward
   Circuits Texas Instruments LMC555
   .. current mirror that is. Chapter 11: The Current Mirror Materials on the topic Datasheet Texas Instruments LMC555 Datasheet Fairchild 2N3906 Datasheet Central Semiconductor 2N5087 Datasheet ON Semiconductor 2N5089
   Jun 12, 2025
8. Power amplifiers that oscillate - deliberately. Part 2 - A crafty conclusion
   Nick Cornford
   Circuits Microchip MCP6002 MCP6022
   .. Part 1: A simple start. Materials on the topic Datasheet Microchip MCP6002 Datasheet Microchip MCP6022 Datasheet Fairchild BC557B
   Jun 12, 2025
9. Circuit controls microneedle etching
   Stephen Woodward
   Circuits Texas Instruments LM324 LM7812
   .. almost every time. Materials on the topic Datasheet Texas Instruments LM324 Datasheet Texas Instruments LM7812 Datasheet ON Semiconductor 2N4401
   Jun 9, 2025
10. Build a simple, soft-action muting switch
    John Firestone
    Circuits ON Semiconductor 2N3819
    .. Self, D, “Inside Mixers,” Wireless World, Volume 97, April 1991, pg 280. Materials on the topic Datasheet ON Semiconductor 2N3819 Datasheet Central Semiconductor PN4392
    Jun 4, 2025

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