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Articles from crutschow

  1. crutschow

    Simple & Inexpensive Ideal-Diode MOSFET Circuit

    Good for low-drop diode applications, such as blocking battery back-charging or brownout protection
    4/5, 1 vote
    Updated:
    Sep 19, 2017
  2. crutschow

    Push-Button Relay Latch Circuit With Simple Debounce

    PB alternate action circuit uses CD4013 FF with simple debounce to control relay (or other load).
    0/5, 0 votes
    Updated:
    Jun 20, 2017
  3. crutschow

    LM317 CC/CV 12V Lead-Acid Battery Charger With Automatic Trickle Charge

    Lead-acid battery charger starts with constant-current and ends with constant-voltage trickle charge
    0/5, 0 votes
    Updated:
    Jun 18, 2017
  4. crutschow

    Resonant Inductive Charging of Capacitor Improves Efficiency And Amount of Stored Energy

    Capacitor resonant charging can nearly double the charge efficiency and quadruple energy stored.
    0/5, 0 votes
    Updated:
    May 30, 2017
  5. crutschow

    Analog Max / Min Value or Bi-Level Clamp Circuits

    Circuit outputs the min. or max. value of several analog inputs, or provides accurate bi-level clamp
    0/5, 0 votes
    Updated:
    May 2, 2017
  6. crutschow

    Missing Pulse Detector Circuits Using LM339/393 Comparator or CD4049 Gate

    Watchdog timer circuits, alternate to 555 designs, will timeout on either high or low hang
    0/5, 0 votes
    Updated:
    Apr 15, 2017
  7. crutschow

    Triple Output Tracking Power Supply Uses Standard 3-Terminal Regulators, Adjusts to Zero Out

    Single +output plus dual +/- tracking output supply using common 3-terminal regulators goes to 0V.
    0/5, 0 votes
    Updated:
    Mar 9, 2017
  8. crutschow

    Efficient MOSFET Bridge Rectifier for Resistive Loads, Or Input Power Auto Polarity Gating

    MOSFET bridge for efficient resistive load rectification, or indifference to input power polarity.
    0/5, 0 votes
    Updated:
    Mar 8, 2017
  9. crutschow

    PWM Voltage Control Of Standard Linear IC Regulators

    PWM allows easy control of linear regulator output voltage for μP based power supplies
    0/5, 0 votes
    Updated:
    Feb 14, 2017
  10. crutschow

    Low Power CMOS PWM Circuit With Buffer Output Requires Only 5 Components

    CD4093 PWM circuit uses only 2 diodes, 1 capacitor, and 1 potentiometer
    0/5, 0 votes
    Updated:
    Feb 9, 2017
  11. crutschow

    Single Supply Non-Inverting Av=1 Op Amp Circuit With Simple Offset Voltage Calculation

    Circuit generates Av=+1 with simple offset calculation using std. resistor values
    0/5, 0 votes
    Updated:
    Feb 8, 2017
  12. crutschow
    0/5, 0 votes
    Updated:
    Jan 30, 2017
  13. crutschow

    Simple, Efficient, Inexpensive, High-Power LED Constant-Current Switching Supply

    Constant-current hysteretic buck regulator supply for high power LEDs, efficiency of 90%
    0/5, 0 votes
    Updated:
    Jan 25, 2017
  14. crutschow

    MOSFET Bridge Rectifier With Low Forward Drop, Works With Capacitive Output

    MOSFET Bridge Rectifier gives high efficiency for low voltage, high current AC-DC supplies
    0/5, 0 votes
    Updated:
    Jan 17, 2017
  15. crutschow

    Isolated Input, MOSFET AC/DC Solid State Relay (SSR)

    Solid-state discrete AC/DC relay uses MOSFETs for low on-voltage with opto-isolated control input
    0/5, 0 votes
    Updated:
    Jan 3, 2017
  16. crutschow

    Bipolar AC/DC MOSFET Low-Side Switch

    AC/DC Low-Side Switch With Low ON Resistance Uses Two N-MOSFETs and One NPN Transistor
    0/5, 0 votes
    Updated:
    Nov 7, 2016
  17. crutschow

    Two Different Full-wave Rectified Voltages From Center-tapped Transformer and Bridge Rectifier

    Two voltages, one twice the other, require only a center-tapped transformer and bridge rectifier
    0/5, 0 votes
    Updated:
    Aug 1, 2016
  18. crutschow

    Electronic DC Fuse - Simple Two Transistor Circuit

    Electronic Fuses eliminate fuse replacement and current-limit short-circuit power dissipation
    0/5, 0 votes
    Updated:
    Apr 7, 2016
  19. crutschow

    Fuzzy Logic Control - Why use it? 2016-02-05

    Fuzzy logic is an easy to use technique that can replace PID control loops using microcontrollers
    0/5, 0 votes
    Downloads:
    9
    Updated:
    Feb 5, 2016
  20. crutschow

    Latching ON/OFF Circuit with Single-Wire Remote Control & Indication from Multiple Push-Buttons

    Momentary PB controls remote bistable circuit with PB LED status using a single wire.
    0/5, 0 votes
    Updated:
    Dec 25, 2015