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Search results: 336   Output: 1-10
  1. Steven Galecki Electronic Design This circuit automatically attenuates a high voltage by known factors so that it matches the ADC input range for best converter resolution. It's a common challenge to measure voltages that exceed the operating ...
    06-01-2017
  2. Ricardo Jiménez and Juan C. Ángeles Electronic Design A basic microcontroller can be used to convert a sensor's analog output into a pulse train, thereby making the output compatible with standard digital I/O ports. When the need ...
    22-12-2016
  3. Richard Dunipace EDN Low-cost DVM (digital-voltmeter) modules are economical and can significantly reduce design time for instrumentation. Yet, these modules also involve a significant number of design challenges. For example, their inputs are not ...
    Circuits » Measurement · Supply » Fairchild » FOD2741C, KSD1621STF, MMBT5087
    02-12-2016
  4. Carl Pugh EDN Most circuits use bypass capacitors and can deliver substandard performance if the capacitors have poor pulse characteristics. Few if any articles cover how to test bypass capacitors for pulse characteristics. The circuit in Figure 1 ...
    Circuits » Analogue Design · Measurement » Fairchild » PN2222A, 2N3904, 2N3906
    01-12-2016
  5. 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
    18-11-2016
  6. 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
    18-11-2016
  7. 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 ...
    09-11-2016
  8. 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 ...
    03-11-2016
  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
    24-10-2016
  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 ...
    24-10-2016
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