Circuits & Schematics - 5

Search results: 2,591 Output: 41-50
  1. Chuck Wojslaw EDN Figure 1. This schematic depicts a basic voltage-to-frequency converter. The basic VFC (voltage-to-frequency converter) in Figure 1 comprises an integrator (IC 1 ) and a Schmitt-trigger circuit (IC 2 ). The integrator converts the ...
    06-03-2020
  2. Aaron Lager EDN Most switch-mode power supplies rely on a PWM (pulse-width-modulated) output that is controlled via voltage feedback. A 555-timer IC can inexpensively perform PWM. The circuit in Figure 1 shows how to turn a 555 PWM circuit into an ...
    02-03-2020
  3. Circuits Maxim MAX253 MAX517 MAX845
    Minh-Tam Nguyen, Maxim Integrated EDN Unlike the four-wire SPI, QSPI, and Microwire data-interface standards, I 2 C and SBBus buses require only two wires for data transmission, because they send and receive over the same wire. The circuit in ...
    23-02-2020
  4. Robert Most EDN Circuits that latch one-of-N switches usually use a digital approach. Such circuits are often useful in human-interface situations, such as audio-mixing consoles, video-feed selection, or current-loop-control redundancy systems. In ...
    18-02-2020
  1. Circuits Analog Devices AD5200 AD5292
    Stephen Woodward EDN Digital potentiometers (dpots) are ubiquitous components available in a variety of packages, resistances, and resolutions. However, few implement anything but the usual linear function of resistance vs. setting. This fact makes ...
    12-02-2020
  2. Shyam Tiwari EDN Digital oscillators often generate TTL- or CMOS-level outputs, referred to ground. Generating a symmetric bipolar output with respect to ground presents a challenge. In this design, four 1.5 V flashlight cells create 3 V voltage ...
    10-02-2020
  3. Gregory Mirsky Electronic Design In [1] a cascode connection of two MOSFETs helped eliminate the Miller effect and significantly improve power factor correction (PFC) performance. Recall that the Miller effect is a very large increase in a ...
    10-02-2020
  4. John Guy, Maxim Integrated Products EDN Advances in semiconductor technology have allowed ICs to replace many mechanical relays, but relays still dominate in high-current circuits that must stand off high voltages of arbitrary polarity. Contact ...
    31-01-2020
  5. Rick Mally Electronic Design The circuit uses the ubiquitous LM431 shunt regulator to implement a second-order Sallen-Key low pass filter together with a level shifte. Designs frequently require the conversion of a microprocessor’s pulse ...
    25-01-2020
  6. Ramkumar Ramaswamy Electronic Design Low-power circuits commonly use transformerless power supplies. However, the use of earth grounds in many of these circuits creates a serious problem that is often ignored. The very popular Microchip Application ...
    21-01-2020