Circuits & Schematics Oscillators - 10

Subsection: "Oscillators"
Search results: 123 Output: 91-100
  1. Einar Abell EDN This Design Idea demonstrates a simple way to turn a step input into a ramp of nearly constant slew rate. The basic circuit uses a single op-amp; a circuit built on an integrator will typically require three. Figure 1 shows the ...
    11-11-2015
  2. Mitchell Lee EDN A source of pulses with fast-rising edges that approximate the step function can help you perform many useful laboratory measurements, including characterization of coaxial cables' rise times and location of cable faults using ...
    31-10-2015
  1. Einar Abell EDN This Design Idea is a gated oscillator with the unusual (unique?) characteristic of stopping in its current state rather than being forced high or low. Unlike a conventional gated oscillator, this one both starts and stops in its ...
    26-06-2015
  2. Petre Petrov Electronic Design This all-analog circuit provides three key waveforms simultaneously and at the same frequency within the audio band. It is useful for evaluating audio systems, transformers, cables, and other electrical installations. ...
    02-05-2015
  3. Dev Gualtieri Electronic Design By using a standard, low-cost PIC microcontroller with a short block of code that emulates a simple ramp-signal generator based on the venerable unijunction transistor (UJT), you can achieve smooth output and ...
    26-03-2015
  4. Circuits Oscillators Supply TL431 TL431A TL431B KA431 LM431
    R O Ocaya EDN The TL431 is a three-terminal programmable shunt regulator that implements Zener-like references with low temperature coefficients. Its output can be programmed from the internally set reference of about 2.5 V to 36 V using two ...
    27-11-2014
  5. John Ambrose, MSI Electronic Design Although quite a few direct digital synthesis (DDS) ICs can generate high-frequency sine waves, their complexity excludes them from many designs. However, designers can use simple high-frequency CMOS logic and ...
    09-10-2014
  6. Circuits Oscillators Maxim ICM7555 MAX998
    Budge Ing, Maxim Integrated EDN Pulse-width modulation (PWM) generators are integrated in nearly every switching power device. This article shows two methods for implementing a stand-alone analog PWM waveform generator. These designs can also be ...
    09-06-2014
  7. Steve Hageman EDN White noise is very useful in testing many types of circuits. When combined with an FFT analyzer, a flat noise source can make for quick and easy gain plots of circuits. If the noise into a circuit is flat and of known quantity, ...
    06-05-2014
  8. Editor's Note This unusual circuit could be placed in the PLL/FLL family, but it's neither. At its heart, it's a self-adjusting monostable that will convert digital signals over a 5:1 frequency range to accurate square waves. In ...
    25-04-2014
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