RC decay group results

1. The purpose of the Lag Compensator is: I. Improve the study state response of the close system. II. Speed up the transit response. III. All the above. IV. None of the above.  2. In the Lead Compensator:  I. Z > P. II. Z < P. III. Z = P. IV. None of the above.

Multiple choice questions : 95.Most relaxation oscillators produce sinusoidal outputs. T or F ___ (T) True (F)False   94.The crystal oscillator is based on the photoelectric effect. T or F ___   93.The voltage gain around the closed feedback loop must be greater than 1 to sustain oscillations. T or F ___   92.In the IC phase-shift oscillator, what should the ratio of feedback resistor RF to R1 be? A. Any value B. Zero C. Greater than –29 D. Less than 29   92.The start-up gain of an oscillator must be ________ one. A. less than B. greater than C. None of the above D. equal to

For the signal flow graph of the given figure, consider the following statements 1. It has three forward paths 2. It has three individual loops 3. It * has two non touching loops Out of above the correct statements are Xg 1,3 O 1, 2, 3 O 1,2 O 2, 3 O

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CHOICES: Antenna Tuning Capacitor Local Oscillator Mixer-Converter transistor Detector Intermediate Frequency   1. Its function is to intercept and collect the radio signals coming from the radio broadcasting or transmitting radio stations.  2. Its work is to select which of the collected radio signals at the antenna should enter the radio tuner.  3. It is located in the radio receiver get and is local to the radio receiver. 4. A transistor used to mix the signals coming from the antenna which is tuned- in by ' the tuning capacitor and the signal that comes from the local oscillator.  5. This section of the radio tuner is like an electronic gate. It automatically opens to permit this IF signal to pass through and enter the radio tuner.

At two distinct places, a signal is measured. At the first point, the power is P1, and at the second point, it is P2. The decibel level is zero. This denotes

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If the imput Vi=1 Vrms at 1 KHz, Will the output, Vo, "clip" or maintain signal fidelity?

5. QUESTIONS (1) If the inductance in the tank circuit is 80nH and we wish to get a resonance frequency of 100MHZ, what capacitance value of varactor diode should be?