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Search results: 2,270   Output: 71-80
  1. John Wynne EDN Digital potentiometers, such as Analog Devices’ AD5160 , make excellent digitally controlled voltage dividers in applications in which 8-bit resolution is acceptable. This Design Idea shows how to use a CMOS DAC as a voltage ...
    Circuits » Analogue Design · Measurement » Analog Devices » AD5160, AD5415, AD7541A
  2. Sajjad Hajdar Electronic Design Most common current-limiting implementations have a voltage drop that’s too high for today's systems with their low-voltage supply rails; this design with its far lower voltage drop is a better fit. There ...
  3. Edward K. Miguel Electronic Design With this simple circuit configuration, an optoisolator can drive a standard 2N2222 transistor output high or low to indicate if the line voltage is 120 V or 220 V ac. For applications such as motor control or ...
    Circuits » Measurement » Vishay » H11AA1
  4. K Suresh EDN When you develop the prototype of a circuit using capacitors or when you replace an old, defective capacitor with a new one, you often need to know the value of the capacitor you use or replace. At times, the values printed on the ...
  5. Stephen Woodward EDN An inexpensive way to implement high-resolution digital-to-analog conversion is to combine microcontroller-PWM (pulse-width-modulated) outputs with precision analog-voltage references, CMOS switches, and analog filtering ( ...
  6. Stefano Salvatori EDN Transimpedance amplifier circuits are often used to convert photodiode current to a voltage signal. In the conventional transimpedance amplifier schematic of Figure 1, the current-to-voltage conversion factor is given by the ...
  7. Stephen Woodward EDN When you interconnect scientific instruments, especially older ones, you often need both gain and galvanic isolation for the analog interface functions. The amplifier in Figure 1 runs from 9 V batteries and fulfills both these ...
  8. Marian Stofka EDN The current trend in advanced instrumentation amps is to use no external resistors. In these amplifiers, a gain-control word, comprising a binary-coded one, sets the voltage gain. Several integer gains within one to 1000 are ...
  9. Jose Carrasco EDN The simple circuit in Figure 1 can sense both low and high current levels without low sensitivities or loss of accuracy either at the low or the high end of the scale. The circuit is useful for discerning either low or high ...
    Circuits » Analogue Design · Measurement » Microsemi » 2N2060, 2N3810
  10. Gheorghe Plasoianu EDN Bench electronic loads are usually rated for voltages less than 100 V, which make it difficult to test high-voltage power supplies. This Design Idea offers an alternative: an inexpensive electronic load rated for 500 V or ...

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