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Driver Circuits, Page 6b
Drivers: #'s      A      B - C       D - G       H - K       L - N       O - R       S      T    
U-Z
Last Updated on: Wednesday, November 29, 2017 05:38 AM

Circuits Designed by Dave Johnson, P.E. :
  • Low Voltage Latching Relay Driver
    Using some small super capacitors, this circuit can latch and unlatch a mechanical relay with 10 amp contacts, from a small 3 volt power source.  By using a latching relay, power can be controlled to a load with a tiny battery. 

  • N-CH AND P-CH TRANSISTORS FORM PUSH-PULL DRIVER
    This circuit can produce high speed output signals with fast rise and full times. The unique change pump action allows the voltage of the upper P-ch device to range from millivolts to hundreds of volts.....

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
Medium Power 40kHz Ultrasound Transducer Driver -  This crystal controlled circuit drives a 40KHz piezoelectric transducer with a 30v peak to peak signal.  (added 7/06) …. [Designed by David A. Johnson]
Microcontroller converts digital-temperature-sensor readings without floating-point arithmetic -  5-Mar-09 Issue of EDN  Convert digital-temperature-sensor readings without floating-point arithmetic..... [Design Idea by Jordan Dimitrov, Toronto, ON, Canada]
Microcontroller drives H bridge to power a permanent-magnet DC-mmotor -  15-Mar-07 Issue of EDN  Improved H-bridge requires only two driver signals..... [Design Idea by Luca Bruno, ITIS Hensemberger Monza, Lissone, Italy; Edited by Brad Thompson and Charles H Small]
Microcontroller drives LCD with just one wire -  3-Dec-07 Issue of EDN  A Microchip PIC10F family microcontroller sparks an HD44780 LCD using a single I/O pin..... [Design Idea by Noureddine Benabadji, University of Sciences and Technology, Oran, Algeria]
Microcontroller drives logarithmic/linear dot/bar 20-LED display -  18-Jan-07 Issue of EDN  Do-it-yourself analog-to-LM3914 display driver offers user programmability..... [Design Idea by Dhananjay V Gadre and Anurag Chugh, Netaji Subhas Institute of Technology, New Delhi, India; Edited by Brad Thompson and Fran Granville]
Microcontroller functions as voltmeter -  10-May-07 Issue of EDN  PIC microcontroller and FETs enable a four-digit voltmeter..... [Design Idea by Noureddine Benabadji, University of Sciences and Technology, Oran, Algeria]
MicroController JFET form low-cost two Digit millivoltmeter -  06/22/06 EDN-Design Ideas.....Software subroutines replace hardware A/D converter.… EDN is migrating links. This link is not verified.  Search the "title" + "EDN" for new link.
Microcontroller provides low-cost analog-to-digital conversion, drives seven segment displays -  10-May-07 Issue of EDN  Versatile conversion circuit detects and displays signal's peak value..... [Design Idea by Name withheld by author’s request]
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