comparator circuit

comparator circuit

[kəm′par·əd·ər ‚sər·kət]
(electronics)
An electronic circuit that produces an output voltage or current whenever two input levels simultaneously satisfy predetermined amplitude requirements; may be linear (continuous) or digital (discrete).
References in periodicals archive ?
Implementation of adjusting the hysteresis threshold must involve extra effort to design the comparator circuit with fast online tuning capability of the hysteresis threshold.
2] indicates the voltage level of the received signal, and this voltage is compared with the reference voltage in the comparator circuit to determine the digital logic level of the received signal.
The unit integrates a 48-bit programmable carrier numerically controlled oscillator, a high speed 14-hit digital-to-analog converter and a comparator circuit for square-wave generation into a single 48-pin LQFP package, and is suitable for use in point-to-point microwave systems, wireless local loop, LMDS, MMDS, satellite terminals, communications instrumentation, cable modems, NTSC/PAL video systems and last-mile wireless applications.
Depending on the output of the comparator circuit, the control valve proportionally opens or closes the valve until the output voltage is equal to the setpoint voltage, indicating that the desired mass flow level has been reached.
The other shortcoming is related with design of comparator circuit due to necessity of two-pole supply source for comparator.
In addition, an innovative comparator circuit provides fast limiting of output voltage transients.
Using Clare LITELINK(R) technologies, the CPC5710N is a CMOS special-purpose amplifier with an additional comparator circuit.
TruTranslation incorporates a voltage reference and a current amplifier into a comparator circuit that monitors charge buildup during voltage translation.
The allowed high and low excursions are programmed as inputs to the comparator circuits (labeled POS and NEG), and the other inputs monitor the power supply output.
This new IC enhances some of the comparator circuits, to provide even greater stability in output voltage.
However, without careful system level design between the AFE and the controller, the actual drive level implementation may require more than 100 discrete passive and active components, such as DACs, resistors, capacitors, inductors and active filters, signal amplifiers, and comparator circuits to effectively couple an AFE and controller chip.