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Display Electronic Circuits or Electronic Schematics
Display Circuits:  #'s - C       D - I       J - N       O - T       U - Z

Last Updated:  10/24/2017 02:54:44 PM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Ultra Low Power LCD Indicator -  This circuit serves as an ultra-low power replacement for multiple LED on-off indicators.  It also has the advantage of being easy to read in full daylight.  With the parts shown, it is possible to display four bits of information.   __ Designed by G. Forrest Cook

Ultracompact LCD Backlight Inverters -  Linear Technology AN81 __ Designed by Jim WilliamsSep 1st, 1999

Ultracompact LCD Backlight Inverters -  AN81 It has become desirable to fashion laptop computers with large area screens, leaving little room for the display's backlight inverter electronics.  Miniaturization limitations of high voltage magnetic transformers impose limits on achievable space reduction.  Another voltage step-up technology, piezoelectric transformers, __ Linear Technology/Analog Devices

Ultralow-cost, two-digit counter features few components -  17-Aug-06 EDN-Design Ideas Two seven-segment displays and one microprocessor count from zero to 99 EDN-Design Ideas __ Circuit Design by Noureddine Benabadji, University of Sciences and Technology, Oran, Algeria

Universal VCSEL Driver -  10-Jul-03 EDN-Design Ideas VCSELs  (vertical-cavity surface-emitting lasers] are commercially available infrared semiconductor lasers with λ≅850 nm.  Short-cavity-length, high-quality Bragg mirrors impart properties to VCSELs that differ from those that earlier __ Circuit Design by Andrzej Wolczko, Institute of Electronics AGH, Krakow, Poland

Up / Down Digital Counter with 7 Segment LED Displays -  REVISED   Really as Simple as you can get and has 4 Displays __ Designed by G.L. Chemelec

Use an LED Matrix Horizontally -  02/16/12  EDN-Design Ideas Using one 5×7 LED matrix horizontally instead of vertically allows the display of two characters instead of one.  LEDs provide a convenient way to electronically display information.  Although the seven-segment LED display, arranged in the form of the digit 8, is common, it does not allow the display of some alphanumeric characters.  A 5×7 LED matrix allows the display of all ASCII characters, as well as graphics shapes.  LEDs provide a convenient way to electronically display information.  Although the seven-segment LED display, arranged in the form of the digit 8, is common, it does not allow the display of some alphanumeric characters.  A 5×7 LED matrix allows the display of all ASCII characters, as well as graphics shapes.  The circuit in this Design Idea shows an unconventional way to use a 5×7 LED matrix. 
 __ Circuit Design by Benabadji Noureddine

Versatile Car Scrolling Display, Part 1 -  This project started out as a digital dashboard display but has grown and can be used in any measurement or data logging application where you have 9-12V DC available.  It can monitor up to six signals and display up to 10 computed values in a scrolling or static readout on a 7 x 15 dot matrix LED display.__ SiliconChip

Versatile LED Display -  This circuit uses an erasable programmable read-only memory  (EPROM) to display various light patterns on LEDs.  Since bicolour LEDs  (comprising green and red LEDs) have been used, display is possible in...__ Electronics Projects for You

VFD (Vacuum Fluorescent Display) & Filament Power Supply -  The LT3581 is a PWM DC/DC converter with built-in fault protection features to aid in protecting against output shorts, input/output overvoltages, and overtemperature conditions.  The part consists of a 42V master switch, and a 42V slave switch that can be tied together for a total current limit of 3.3 A.  __ Linear Technology/Analog Devices App Note, Jan 16th 2012

VFD (Vacuum Fluorescent Display) Flyback Power Supply -  The LT3758 is a wide input range, current mode, DC/DC controller which is capable of generating either positive or negative output voltages.  It can be configured as either a boost, flyback, [Linear Technology, SepIC or inverting converter.  The LT3758 drives a low side external N-channel power MOSFET from an internal regulated 7.2V supply.  The__ Linear Technology/Analog Devices App Note, Jan 16th 2012

Waveform Monitor with LCD -  The result was a project that includes a waveform capture circuit, a graphic LCD  (Liquid Crystal Display) and a control panel with LED indicators.  The details of the Graphic LCD display unit, composed of the LCD module, a serial interface, and bias supply were published earlier on this site,  __ Designed by Dick Cappels

White LED driver backlights LCD & keypA - D -  13-Nov-03 EDN-Design Ideas Designers widely use white LEDs to backlight color LCDs and keypads in handheld devices, such as cell phones, MP3 players, GPS navigators, and PDAs.  Their spectrum and brightness represent near-ideal light sources.  One possible configuration for a phone or a phone/PDA combination is to have a group of three LEDs to light the display and six LEDs for the keypad __ Circuit Design by Fabien Franc, Catalyst Semiconductor, Sunnyvale, CA

White LED driver provides 64 step logarithmic dimming -  10-Jun-04 EDN-Design Ideas The circuit of Figure 1 is designed for portable-power applications that require white LEDs with adjustable, logarithmic dimming levels.  The circuit drives as many as four white LEDs from a 3.3V source and adjusts the total LED current from 1 to 106 mA in 64 steps of 1 dB each.  The driver is a charge pump that mirrors the current ISET (sourced from IC3's SET terminal] to produce a current o __ Circuit Design by William Hadden, Maxim Integrated Products, Sunnyvale, CA

White Light LED Driver with Gradual Dimming (Rev. A) -  TI Application Note:  Many consumer products using white light LEDs for illumination and backlighting provide gradual LED illumination at turnon and turnoff.  This gradual illumination is usually achieved with the aid of a microprocessor that provides PWM dimming control.  This circuit uses the Texas Instruments TPS61040 white light LED driver to provide gradual illumination at turnon and turnoff without the use of a microprocessor __ SLVA122A–November 2002–Revised January 2009

White-LED Driver Touts High Efficiency -  12-Jun-03 EDN-Design Ideas White LEDs, the most recent addition to the LCD backlight, find common use in providing backlight for color LCDs.  Thanks to their size and white-light output, they appear in small, portable devices with color displays, such as PDAs and cellular phones.  Like other LEDs, a white LED needs a constant-current source—typically, on the order of 15 to 20 mA __ Circuit Design by Dimitry Goder, Sipex Corp, San Jose, CA

Wide Band Fuel Mixture Display -  This document is an introduction to the Wideband Fuel Mixture Display  (FMD) .  

Wideband Air-Fuel Mixture Display Unit -  This Wideband Oxygen Sensor Display can show your car's air-fuel ratio as you drive.  It's designed to monitor a wideband oxygen sensor and its associated wideband controller but could be used to monitor a narrowband oxygen sensor instead.  Alternatively, it can be used for monitoring other types of engine sensors.__ SiliconChip

Xtimer V1.0 -  Easy build 4-channel timer, suitable for energy saving, simple hardware and nice firmware with c coding.  Automatic power down mode, simple settings, optional buzzer for sound alarm.   __ Designed by Wichit Sirichote

YPBPR to RGB Converter -  In this realization of a component video  (YPBPR) to RGB adapter, amplifier count is minimized by performing passive arithmetic at the outputs, but this requires higher gains, thus a higher supply potential is needed for this  (for at least the positive rail) .  One small drawback to this otherwise compact solution is that the__ Linear Technology/Analog Devices App Note, Mar 25th 2010

YPBPR to RGB Video Converter -  This circuit shows LT6552 amplifiers connected to convert component video  (YPBPR) to RGB.  This circuit maps the sync on Y to all three outputs, so if a [Linear Technology, Separate sync connection is needed by the destination device  (e.  g.  studio monitor) , any of the R, G, or B channels may be simply looped-through the sync input  (i.  e.  set ZIN__ Linear Technology/Analog Devices App Note, Mar 25th 2010


Display Circuits:  #'s - C       D - I       J - N       O - T       U - Z

 


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