peak detector

peak detector

[′pēk di‚tek·tər]
(electronics)
A detector whose output voltage approximates the true peak value of an applied signal; the detector tracks the signal in its sample mode and preserves the highest input signal in its hold mode.
References in periodicals archive ?
These devices provide 6 dB of gain control range with integrated peak detector on each channel for closed loop control.
The driver integrates the peak detector and the temperature monitor.
The walk error correction technique had been proposed using the measured peak amplitude information by a peak detector and a Gilbert cell [5].
CNFET-FCOA-Based Peak Detector. As the name suggests, a peak detector is a circuit which detects the peak value of applied input signal [41, 43] as shown in Figure 5(m).
This peak detector sets a variable threshold that is dependent on the mean intensity of each individual image.
Therefore a peak detector is used to capture these short pulses.
This information is utilized by the peak detector to arrive at the peaks of QRS complex.
In order to generate the push-pull control voltage, the two peak voltages are generated using a peak detector circuit.
It is designed, simulated and fabricated using a 0.18om 1P6M CMOS technology.The fabricated current-mode AGC chip consists of a current peak detector, a current subtractor, a circuit which consists of a square current generator and a current divider.
In the second step Blais and Rioux linear peak detector (Blais & Rioux 1986) is used since it provides the best results for subpixel position estimation (Fisher & Nadiu 1996).
At the top of the list was battery life followed closely by peak detector performance and overall size of the ASIC.
A peak detector follows the response of IF signals such that the voltage at the detector output follows the peak value of the IF signal at all times.