Circuits & Schematics - Light - 9

Subsection: "Light"
  Including:
  Colour Organ   LEDs
Search results: 171 Output: 81-90
  1. Valentin Kulikov, Futuro Lighting EDN Introduction This article describes simple constant current driver module with fast PWM input that can be used for driving medium and high power LEDs. The module uses an integrated constant-current output, ...
    Feb 26, 2016
  2. Circuits Supply Light EPCOS TN33/20/11-2P80
    R O Ocaya EDN This Design Idea shows a way to drive low-power electronic circuits using a single 1.5 V cell. The design is based on a free-running oscillator that drives a flyback transformer to generate a controllable higher voltage. It can be ...
    Jan 31, 2016
  1. John Rice, Texas Instruments LEDs Magazine The non-synchronous, boost, power-conversion topology is often used in LED drivers in instances where the input voltage (VIN) is insufficient to forward bias a series/parallel set of LED strings. This ...
    Nov 23, 2015
  2. Michael Page
    The circuit in Figure 1 is not complex, but it saved the day in an application involving visual inspection of the spray pattern of fuel injectors for quality and consistency. In this application, xenon strobe lights did not work because they take ...
    Nov 4, 2015
  3. Boris Landoni open-electronics.org Part 1 - Specification and Schematic Operation The receiver provides for the control of the two channels by a 433 MHz remote control with MM53200 / Holtek HT12 encoding or a compatible one. Each channel is ...
    Oct 30, 2015
  4. Boris Landoni, open-electronics.org Since when white light emitting high brightness LED are available, the handover from traditional lighting bulbs to the solid-state lighting has become irreversible: LEDs have an efficiency (expressed in ...
    Sep 29, 2015
  5. By Shawn Rhen Digi-Key The advancements in high powered LEDs have brought them to the attention of the lighting industry, positioning them as replacements for the current incandescent and fluorescent technologies. Although widespread adoption has ...
    Mar 18, 2015
  6. Yan-Niu Ren, Southwest Petroleum University, Chengdu, China A constant current is better than a constant voltage for driving LEDs. In this proposed circuit, a common constant-voltage regulator is changed into a constant-current source for LEDs. In ...
    Mar 1, 2015
  7. James Campbell Electronic Design This relatively simple circuit uses a 6-V DC supply with a PWM current-source configuration to provide efficient, adjustable dimming of a white LED over a wide range, needed to accommodate the unique lighting needs ...
    Jan 2, 2015
  8. Hua (Walker) Bai, Linear Technology Design Note 508 Introduction The meaning of the term high power LED is rapidly evolving. Although a 350 mA LED could easily earn the stamp of high power a few years ago, it could not hold a candle to the 20 A LED ...
    Dec 18, 2014