Circuits & Schematics - 2

Search results: 3,154 Output: 11-20
  1. Conventional thermostats are based on separate temperature sensor and heater devices with means for feedback between them. But in some recent EDN design ideas (DIs) we’ve seen thermostat designs that meld the functions of sensor and heater ...
    04-03-2024
  2. The circuit in Figure 1 shows an electronic switch driven by a momentary pushbutton, which turns the power alternately on and off. It was designed for battery-powered equipment. The easiest way to implement it is to use a flip-flop IC, such as the ...
    26-02-2024
  1. Evaluating analog switches, multiplexers, operational amplifiers, and other ICs poses challenges to IC-test engineers. A typical test scenario requires application of a test or forcing voltage to a device's input and measurement of any ...
    22-02-2024
  2. When a switch-mode power-supply controller, such as NCP1200 , operates at a high ambient temperature, you should protect the entire power supply against lethal thermal runaway. The NCP1200 operates directly from the power mains without an auxiliary ...
    21-02-2024
  3. A typical SMPS (switch-mode power supply) uses a reference voltage and an optocoupler to regulate the output voltage. The optocoupler carries the isolated information from the secondary side to the primary nonisolated side and ensures proper output ...
    20-02-2024
  4. Many systems derive 15 V supplies for analog circuitry from an input voltage that may be above or below the 15 V output. The split supply requirement is usually fulfilled by a switcher with a multiple-secondary transformer or by multiple switchers. ...
    19-02-2024
  5. For a recent design project, a robust power supply was needed to control the gates of high-side FETs. Optocouplers readily translate the logic signals up to the correct control voltages to drive the FETs. However, to ensure that the FETs turn on ...
    14-02-2024
  6. Avoiding op-amp output saturation error by keeping op-amp outputs “live” and below zero volts is a job where a few milliamps and volts (or even fractions of one volt) of regulated negative rail can be key to achieving accurate analog ...
    09-02-2024
  7. Single-output switching regulator circuits can often be adapted to multiple output configurations with a minimum of changes, but these transformations usually call for custom wound inductors. A series of standard inductors, featuring quadrifilar ...
    05-02-2024
  8. Fig 1’s circuit, which was developed to monitor the traffic of bumblebees into and out of the hive, differentiates “a-to-b” motion from “b-to-a” motion. When used with an optical decoder, the circuit distinguishes ...
    01-02-2024
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