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This relative alignment of the energy bands at such semiconductor heterojunctions is called the Band offset. The band offsets can be determined by both intrinsic properties, that is, determined by properties of the bulk materials, as well as non-intrinsic properties, namely, specific properties of the interface.
The input offset voltage is a parameter defining the differential DC voltage required between the inputs of an amplifier, especially an operational amplifier (op-amp), to make the output zero (for voltage amplifiers, 0 volts with respect to ground or between differential outputs, depending on the output type).
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This formula involves the same approximations mentioned above. Therefore, if a plot of h ν {\displaystyle h\nu } versus α 2 {\displaystyle \alpha ^{2}} forms a straight line, it can normally be inferred that there is a direct band gap, measurable by extrapolating the straight line to the α = 0 {\displaystyle \alpha =0} axis.
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Clipper (electronics), a circuit that imposes a fixed limit and does not offset the signal; Envelope detector, a circuit that outputs the maximum (or minimum); a clamper with the diode and capacitor exchanged; Schottky diode; Snubber, a circuit that reduces dV/dt or limits peak voltage, in order to reduce arcing or breakdown
Carrier frequency offset (CFO) is one of many non-ideal conditions that may affect in baseband receiver design. In designing a baseband receiver, we should notice not only the degradation invoked by non-ideal channel and noise , we should also regard RF and analog parts as the main consideration.