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Search results: 2,090   Output: 1-10
  1. Jose Blanes EDN Rectifier circuits based on semiconductor diodes typically handle voltage levels that greatly exceed the diodes' forward-voltage drops, which generally don't affect the accuracy of the rectification process. However, the rectified ...
  2. Vladimir Rentyuk EDN Detecting a rapidly falling signal over some threshold is important for ultrasonic or location equipment as well as for seismology systems. You can combine a rail-to-rail operational amplifier with a Schmitt-trigger logic gate ...
  3. Gyula Dioszegi EDN In 1971, Signetics later Philips introduced the NE555 timer, and manufacturers are still producing more than 1 billion of them a year. By adding a few components to the NE555, you can build a simple voltage-to-frequency converter ...
    Circuits » Analogue Design · Measurement » Philips » NE555, TL071
  4. Einar Abell EDN This Design Idea shows how to add positive feedback to a Darlington pair to create a Schmitt trigger with very high current gain (typically 10,000). I don't know of any similar circuits to compare this to except ICs. However, it ...
  5. Vladimir Rentyuk EDN A TL431 shunt regulator is a perfect choice for many applications. You can use it as a comparator with hysteresis by taking advantage of its inner voltage reference along with few additional components. You can use this ...
    Circuits » Supply · Power » TL431
  6. Analog Devices Circuit Note CN-0151 Circuit Function and Benefits Digitally controlled current sources are critical functions in a variety of applications, such as power management, solenoid control, motor control, impedance measurement, sensor ...
    Circuits » Analogue Design · Supply » Analog Devices » AD5543, AD5446
  7. Benabadji Noureddine EDN Several previously published Design Ideas and appnotes [ 1-4 ] show how to use many pushbuttons with a minimum number of inputs. They require an RC circuit where the timing can be measured to identify which pushbutton has ...
  8. Todor Arsenov EDN Most isolated, offline SMPSs (switched-mode power supplies), including flyback, forward, and resonant, must operate at input voltages of 90 to 260 V rms. Some cases even use line-to-line voltages of 400 V rms 10%, leading to ...
  9. Anthony Smith EDN Requiring only a handful of inexpensive components, the circuit breaker in Figure 1 responds to both overcurrent- and overvoltage-fault conditions. At the heart of the circuit, D 2 , an adjustable, precision, shunt-voltage ...
    Circuits » Power » TL431CLP, ZR431
  10. Keith Szolusha and Tage Bjorklund, Linear Technology Design Note 521 Introduction A DC/DC converter’s efficiency and component temperature are important considerations in high power applications where high current could overheat the catch ...
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