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Search results: 467   Output: 51-60
  1. Sam Young, Afshin Odabaee Linear Technology Design Note 546 Introduction The top side of a typical system board, such as a PCIe card, is densely populated with FPGAs/ASICs/ microprocessors, transceivers, connectors, memory ICs and DC/DC regulators, ...
    02-08-2016
  2. Yongping Xia EDN An idle telephone line tempts designers to use its 48 V potential as a power source. However, Part 68 of the US Federal Communications Commission's telecommunications regulations states that any device that connects to the phone ...
    02-08-2016
  3. Anthony Smith EDN Low-current, momentary action pushbutton switches, such as PCB-mount 'tactile' types, are cheap, and available in an abundance of different styles. Latching types, on the other hand, are often larger, more expensive, and available ...
    28-07-2016
  4. Chapin Wong, Maxim Integrated Application Note 5978 Certain applications require the use of a negative voltage reference, which is usually not readily available. A common way to generate a negative voltage has been to use an operational amplifier ...
    Circuits » Supply · Power » Maxim » MAX6010, MAX9820, MAX5491
    13-07-2016
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
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