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Search results: 80   Output: 1-10
  1. John R Ambrose EDN Demodulators, directional circuits, and other electronics applications often need two sine waves with a 90 difference in phase a sine wave and its cosine wave. Engineers typically use analog filters to create the phase shift. ...
    Circuits » Oscillators » Texas Instruments » CD74HC390, SN74HC74
    25-10-2018
  2. Philip Simpson, Maxim Integrated Application Note 1186 When a processor-controlled device must be guaranteed to operate, designers often choose to reset the processor periodically rather than rely on a watchdog circuit. In low-power systems the ...
    Circuits » Oscillators » Maxim » MAX917, MAX920
    19-09-2018
  3. Jim Tonne Electronic Design With a handful of low-leakage passive components and two high-impedance op amps, you can build a sine/square-wave generator with output period of a minute and more. The circuit of Figure 1 generates sinusoids down to ...
    02-04-2018
  4. Nick Ierfino Electronic Design It’s not always easy to design a ramp generator whose ramping frequency can be changed without manipulation of capacitors or inductors. Many ramp circuit designs are available, but they may not be flexible when ...
    19-03-2018
  5. Jim Williams, Linear Technology EDN If you need to produce extremely fast pulses in response to an input and trigger, such as for sampling applications, the predictably programmable short-time-interval generator has broad uses. The circuit of ...
    08-02-2018
  6. Jim Williams EDN Impulse-response and rise-time testing often require a fast-rise-time source with a high degree of pulse purity. These parameters are difficult to achieve simultaneously, particularly at subnanosecond speeds. The circuit in Figure ...
    08-02-2018
  7. Michael Fisch EDN In 1940, William Hewlett and David Packard launched a product from a garage. The product was a Wien-bridge oscillator. It consisted of a single-pole highpass filter in series with a single-pole lowpass filter. To keep the gain ...
    09-11-2017
  8. Louis Vlemincq EDN Many power applications ranging from luminescent and fluorescent lighting to telephone-ringing voltage generators require a more or less sinusoidal-drive voltage. These applications typically require a waveform of only moderate ...
    31-10-2017
  9. Mitchell Lee LT Journal of Analog Innovation A source of fast pulse edges, simulating a step function, is often useful in making lab measurements of one kind or another. For example, it is possible to evaluate the rise time of RG-58/U or other ...
    02-05-2017
  10. Marián Štofka EDN Using a shift register with parallel output is a common way to design a pulse generator with N inputs and pulsed outputs having a width of T/N. To keep the output pulses consecutive, you can use feedback from the ...
    Circuits » Oscillators » Texas Instruments » SN74AUC2G79, SN74AUC1G02
    02-03-2017
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