Circuits & Schematics: frequency meter - 2

Search for: "frequency meter"
Search results: 783 Output: 11-20   Including: frequency (715); meter (105).
  1. .. classic and versatile 555 finds its way into many low to moderate frequency oscillator applications. Some of these require the ability to selectively gate oscillation on and off ...
    18-01-2024
  1. .. a cycle that begins with C2 being charged to V IN via U1a, then completes by partially discharging C2 into C3 via U1b. Pump frequency is roughly 100 kHz under control of the U1c Schmidt trigger style oscillator, so that a charge transfer ...
    10-01-2024
  1. .. is a square wave, with an exponential tri-wave present on C T . While the duty cycle is exactly 50% and the operating frequency is stable with supply variations assuming balanced power rails and a rail-to-rail op-amp output neither ...
    08-01-2024
  2. .. trigger early by an amount proportional to anti-log Q2’s collector current. This shortens VFC period and raises VFC frequency by a nonlinearity-correcting factor and results in Figure 6. Figure 6. Improved analog linearity ...
    29-12-2023
  3. Circuits Supply onsemi CAT4101 CAT4201
    .. especially when the supply voltage drops and approaches the LED forward voltage. In automotive applications, RFI (radio-frequency interference) is a major concern. EMI/RFI filters are recommended in front of the switching converters ...
    28-12-2023
  4. .. quadrature signals are summed, the result is an approximate (roughly 3% nonlinearity) triangular waveshape at double the frequency of the sine, with amplitude proportional to the sine’s. Adjustment of the quasi-triangle’s ...
    22-12-2023
  5. .. applications. Dual Schottky BAR43A performs like a full-wave rectifier, its symmetry reduces the level of the multivibrator frequency in the output noise. The same can be said about the symmetry of the multivibrator itself. Like its ...
    19-12-2023
  6. Circuits Measurement Analog Devices LT1004 LT1413 LT1462 LTC1043
    .. Two traditional circuit types have drawbacks: integrators are sensitive to noise at the comparator and voltage-to-frequency converters typically measure stray as well as sensor capacitance. The capacitance bridge presented here ...
    18-12-2023
  7. .. V DD /2) squares and triangles. The peak-to-peak amplitude of the latter is fixed by R5 and R6 at 0.909V DD , and the frequency of both is settable over two decades (and perhaps a bit more) by R1C1. Conversion of A2’s ...
    13-12-2023
  8. .. filter is defined as the ratio of the 3 dB pass bandwidth to the stop bandwidth at some specified attenuation. The center frequency of the bandpass filter in this example is 3 MHz, but this can be adjusted with appropriate LC tank ...
    12-12-2023

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