Their period of coincidence depends upon their phase difference. Instantaneous amplitude comparators, also called the direct amplitude comparators, are of two types viz. One of the inputs is the operating quantity and the other a restraining quantity. Phase comparators and its types devices electrical. Chapter 5 provides the results and simulations of different comparators studied. Comparators may be single input, two input or multi input in nature. The phase and gain output voltages are simultaneously available at loadable ground referenced outputs over the standard output range of 0 v to 1. Monopulse comparators applicaton notes request pdf. In the averaging type instantaneous amplitude comparator the restraining signal is rectified and smoothened completely in order to provide a level of restraint. Types of comparator my tech info phase waves relay.
The basic concept of phase comparison is simpler in that it is possible to deal with signals of equal strength whose coincidence or noncoincidence is readily measurable. In case of single input comparator, the other input is generally a mechanical one. Amplitude comparators and its types devices electrical. If a constant amplitude as well as constant frequency sine wave carrier is given to the phase shifter the output is phase modulated signal. Comparison may be made generally on the basis of amplitude or relative phase of input quantities thus giving rise to basically two types of comparators, viz. Relay classification, principle of different types of electromagnetic relay.
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