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  1. Push-Button Relay Latch Circuit With Simple Debounce crutschow
    PB alternate action circuit uses CD4013 FF with simple debounce to control relay (or other load).
  2. Resonant Inductive Charging of Capacitor Improves Efficiency And Amount of Stored Energy crutschow
    Capacitor resonant charging can nearly double the charge efficiency and quadruple energy stored.
  3. Analog Max / Min Value or Bi-Level Clamp Circuits crutschow
    Circuit outputs the min. or max. value of several analog inputs, or provides accurate bi-level clamp
  4. Missing Pulse Detector Circuits Using LM339/393 Comparator or CD4049 Gate crutschow
    Watchdog timer circuits, alternate to 555 designs, will timeout on either high or low hang
  5. Low Power CMOS PWM Circuit With Buffer Output Requires Only 5 Components crutschow
    CD4093 PWM circuit uses only 2 diodes, 1 capacitor, and 1 potentiometer
  6. Single Supply Non-Inverting Av=1 Op Amp Circuit With Simple Offset Voltage Calculation crutschow
    Circuit generates Av=+1 with simple offset calculation using std. resistor values
  7. Simple PWM Circuit For Lamp Dimming, etc., Improves On 555 PWM Circuits crutschow
    PWM circuit has voltage control of 0% to 100% duty-cycle
  1. 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
  2. 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
  3. 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
  4. 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
  5. andrewblog

    Momentary latching relay

    Just for fun I designed and built this simple circuit which drives a monostable relay by a singol m
    0/5, 0 votes
    Updated:
    Mar 18, 2017
  6. 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
  7. 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
  8. crutschow

    Simple PWM Circuit For Lamp Dimming, etc., Improves On 555 PWM Circuits

    PWM circuit has voltage control of 0% to 100% duty-cycle
    0/5, 0 votes
    Updated:
    Jan 30, 2017
  9. 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
  10. Mikebits
    0/5, 0 votes
    Updated:
    Jan 1, 2017
  11. 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
  12. spec

    Core Components

    Which components do you need to get started in electronics?
    0/5, 0 votes
    Updated:
    Nov 1, 2016
  13. spec

    Restore Your Valuable Documents- or Make Your Own Book

    Document repair and book binding arn't that difficult
    0/5, 0 votes
    Updated:
    May 13, 2016
  14. spec

    Both Sexes for the Price of One: PMCPB5530 complementary MOSFETs

    Low gate threshold independent n type and p type MOSFETS in a low cost minature pakage
    0/5, 0 votes
    Updated:
    Mar 31, 2016
  15. spec

    Game Changer Opamp: OPAx192 and Relations

    This new opamp form TI comes close to the ideal and opens up a wealth of design avenues
    0/5, 0 votes
    Updated:
    Feb 25, 2016
  16. crutschow

    Push Button On/Off, Low Quiescent Power, High-Side MOSFET Power Switch

    Simple high-side switch requires only two active devices and a few passive parts
    0/5, 0 votes
    Updated:
    Oct 18, 2015
  17. crutschow

    Radio Push Button Micropower Circuit Using Two Common ICs

    Two common ICs generate the Radio PB Function for up to 8 PBs, (16 PBs with 2 additional chips).
    0/5, 0 votes
    Updated:
    Aug 25, 2015
  18. Val Gretchev

    8-Digit Numeric LED Display

    A display driver module for 8 digits with only 9 lines.
    0/5, 0 votes
    Updated:
    Jul 9, 2015
  19. alec_t

    Simple PWM control

    Here's a simple PWM control circuit using inexpensive readily-available components. [ATTACH=CONFI
    0/5, 0 votes
    Updated:
    Apr 24, 2015
  20. djsfantasi

    Game Show Circuit

    "Jeopardy"-like circuit
    0/5, 0 votes
    Updated:
    Jun 26, 2014