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Search results: 473   Output: 61-70
  1. Victor Khasiev, Linear Technology Design Note 1033 Introduction Generating a high voltage from a much lower voltage presents a number of challenges for the classical single stage boost topology. For instance, the maximum duty cycle limitation of a ...
    07-07-2016
  2. Anthony Smith EDN The white-LED flasher in Figure 1 offers an alternative approach to a previously published idea ( Reference 1 ). Targeting use in portable appliances and products powered by a single cell, this circuit flashes an LED to provide a ...
    Circuits » Supply · Light » Fairchild » NC7SV57
    23-06-2016
  3. Joel Shetton EDN The circuit in Figure 1 delivers programming voltages to an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a general-purpose power supply operating from 12 V and able ...
    Circuits » Supply · Power » Linear Technology » LT1072HV
    25-05-2016
  4. Luca Bruno Duilio Pozzoni EDN The voltage doubler described in this Design Idea is a modification of the Dickson charge pump. Unlike that circuit, it needs no DC input voltage, but only a digital clock whose peak value is ideally doubled at the ...
    Circuits » Supply » NXP » 74HC14
    12-05-2016
  5. Tim Davis Electronic Design By combining charge-pump ICs with additional discrete components, this inverting design produces a negative output from a positive one with lower ripple and output impedance. An inverting charge pump takes a positive ...
    Circuits » Supply · Power » Microchip » T1044S, MCP1401T, TLE2426
    13-04-2016
  6. Petre Petrov Electronic Design Choosing between two widely available, multisourced ICs for the core of an inductorless dc-dc converter the NE555 timer and the LM386 audio amplifier requires a look at their key specifications and performance in ...
    Circuits » Supply · Power » National Semiconductor » NE555, LM386
    06-04-2016
  7. Susanne Nell EDN The circuit in Figure 1 can help if you must transfer dc power and audio over a pair of copper wires. One application for such a circuit is a low-cost door-opening system with speech input. The circuit uses only one IC, the ...
    04-04-2016
  8. 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 ...
    Circuits » Supply · Light » EPCOS » TN33/20/11-2P80
    31-01-2016
  9. Jian Li and Gina Le, Linear Technology Design Note 524 Digital Power System Management: Set, Monitor, Change, and Log Power Managing power and implementing flexibility in a high rail count circuit board can be challenging, requiring hands-on ...
    06-01-2016
  10. Marty Merchant, Linear Technology Design Note 507 Introduction Dual-polarity supplies are commonly needed to operate electronics such as op amps, drivers, or sensors, but there is rarely a dual-polarity supply available at the point of load. The ...
    22-12-2015
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