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Bias circuit requirements:
Signal requirements for Class A amplifiers
The Q-point is placed thus the transistor stays in active mode (does not shift to operation in the saturation region or cut-off region) while input is applied for analog circuit operation. Whereas For digital operation, the Q-point is placed thus the transistor does the contrary - switches from "on" to "off" state. Frequently, Q-point is established near the center of active region of transistor characteristic to permit identical signal swings in positive and negative directions. Q-point should be stable. Particularly, it should be insensitive to differences in transistor parameters (for instance, should not shift if transistor is replaced by another of similar type), variations in temperature, variations in power supply voltage and so forth. The circuit has to be practical: easily implemented and cost-effective.
Q. Explain about Synchronous machines? Large ac power networks operating at a constant frequency of 60 Hz in the United States (50 Hz in Europe) rely almost exclusively on sync
I have a closed loop or feedback system and i want to convert it into electrical circuit. please give me example about this
The input to the satellite system of Figure 1 is a step function θ c (t) = 5u(t) in degrees. As a result, the satellite angle θ(t) varies sinusoidally at a frequency of 10 cycles p
explain the working of miller sweep circuit using op amp ic
DESIGN A WIEN OSCILLATOR THAT OSCILLATE AT 25KHZ
what is mean by decoder
Give some applications of German silver. German silver is an alloy of zinc, nickel and copper. German silver is used in electrical measuring instruments.
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Explain Interrupts of 8085. a) Maskable interrupt b) Vectored interrupt c) Non maskable interrupt d) Hardware interrupt e) Software interrupt
Simulate and compare BER of QPSK system and 4-QAM system without grey coding Eb/No=0.2.4.6.8.10
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