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Search results: 2,555 Output: 1-10
  1. Moshe Gerstanhaber EDN State-of-the-art ADCs accept differential inputs, allowing you to differentially implement the entire signal path from sensor to converter. This structure provides significant performance advantages, because differential ...
    22-03-2020
  2. Dave Conrad EDN A typical driver for thermoelectric (TE) cooler applications may use pulse width modulation (PWM) to drive an H-bridge circuit. This scheme works but drives the TE device with very large current pulses. These square waves, which are ...
    17-03-2020
  3. Raju Baddi EDN When designing logic for higher-than-usual supply voltages, such as 24 V, you can use a voltage regulator with a standard logic family and interface it through level shifters. Alternatively, if the logic is not too complex and the ...
    17-03-2020
  4. Derek Bowers Electronic Design Early radio receivers and record players nearly always had a knob marked “tone,” which was usually a crude low-pass filter with some form of severity adjustment. At best, these controls could partially ...
    13-03-2020
  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
  5. 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
  6. 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