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Q. Explain common base configuration?
Common-base transistor amplifiers are so-called because the input and output voltage points share the base lead of the transistor in common with each other, not considering any power supplies
The most striking characteristic of this configuration is that the input signal source must carry the full emitter current of the transistor. Because the input current exceeds all other currents in the circuit, including the output current, the current gain of this amplifier is actually less than 1 (notice how Rload is connected to the collector, thus carrying slightly less current than the signal source). In other words, it attenuates current rather than amplifying it. In the common-base circuit, we follow basic transistor parameter: the ratio between collector current and emitter current, which is a fraction always less than 1. This fractional value for any transistor is called the alpha ratio, or I ratio.
The armature of a 6 pole, 600 r.p.m. lap wound generator has 90 slots. if each coil has 4 turns, how do you calculate the number of conductors to calculate the flux per pole to gen
complement method of binary subtraction This method is used for subtraction as subtraction is converted to addition. Use following steps to perform subtraction ;
In most real signal processing applications the measured signals can not be described by an analytical expression. In addition, by the Wold decomposition theorem a stationary signa
Suppose the ambiguity function of some waveform x ( t ) of duration ζ = 1 millisecond is given by (NOTE: this is not a possible AF because it is not time-limited to
what are the characteristics of transformer?
For zero flag CZ ( Call on Zero ) CNZ ( Call on no zero ) Instructions CZ call the subroutine from the specified memory location if zero flag is set (Z=1). The i
input impedence
Explain indirect data addressing mode (with examples) available in microprocessors. Indirect Mode: Address given in instruction includes address where the operand resi
Q. A silicon npn BJT is biased by the method shown in Figure, with R E = 240 , R 2 = 3000 , and V CC = 24 V. The operating point corresponds to V BEQ = 0.8V, I BQ = 110 µA,
Q. A single-line diagram of a three-phase transformer bank connected to a load is given in Figure. Find the magnitudes of the line-to-line voltages, line currents, phase voltages,
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