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Search results: 2,121   Output: 1-10
  1. 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
  2. Andrew Russell EDN The circuit in Figure 1a is a low-cost isolation amplifier for instrumentation applications that provides as much as 500 V of galvanic isolation between input and output. The amplifier uses only one small, low-cost transformer ...
    Circuits » Analogue Design · Measurement » NXP » LM385, BAV99
    31-01-2016
  3. Anatoly Besplemennov EDN This Design Idea utilizes an optical computer mouse's sensor for measuring rotation of a disk which can be mechanically connected to any sort of rotating apparatus. One feature is to allow adjustment of the pulses per ...
    Circuits » Measurement · Computers and Peripherals » PixArt » PAN3101, PAN101B, OM02
    21-01-2016
  4. Mark Thoren and Chad Steward, Linear Technology Design Note 538 Introduction Pulse width modulation (PWM) is a common technique for generating analog voltages from a digital device such as a microcontroller or FPGA. Most microcontrollers have ...
    Circuits » Analogue Design » Linear Technology » LTC2644, LTC2645, LTC3850
    21-01-2016
  5. Tyler Hutchison and Clarence Mayott, Linear Technology Design Note 1031 Introduction High speed ADCs use a sample and hold input structure comprising a fast CMOS switch and a sampling capacitor. When the CMOS switch closes, the sampling capacitor ...
    14-01-2016
  6. Anthony Smith EDN The simple current-limiting load switch shown in Figure 1 will be familiar to most readers. In this circuit, a high level signal applied to the input switches on MOSFET Q 2 , which energizes the load. The load current is limited ...
    13-01-2016
  7. Vladimir Rentyuk EDN When using a reflective object sensor, counting and identifying objects is sometimes difficult in the presence of electrical noise or bright ambient light. The circuit in Figure 1 shows an inexpensive solution to this problem ...
    Circuits » Automation » 74HC393, 74HC175, OPB704
    12-01-2016
  8. David Williams EDN The circuit in Figure 1 provides a low-cost, isolated ac-line monitor that measures ac-line-voltage level and has some other unique capabilities. The analysis of the circuit is straightforward: When the ac input, V IN , is ...
    06-01-2016
  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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