The actual time from the start of the pulse to the end of the pulse is known as:
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Step 1: The actual time from the start of the pulse to the end of the pulse is called the pulse width (also known as pulse duration). Show more…
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3. When a pulse is amplified in a linear amplifier, the charge carrier transmit time can cause A. loss of the d-e reference levels. B. rise-time distortion. C. waveform tilt. D. propagation delay. 5. In a certain LR time constant circuit, it takes 135 msec for the current to reach maximum after the switch is closed. If the inductance is 4 henries, what is the value of circuit resistance? A. 670 ohms B. 148 ohms C. 0.670 ohms D. 0.148 ohms 7. Which of the following will most likely cause arcing at the switch contacts? A. A switch that starts current flowing in an LR time constant circuit B. A switch that opens an LR time constant circuit C. A switch that starts the capacitor charge in an RC time constant circuit D. A switch that opens an RC time constant circuit for the capacitor to discharge 16. When a pulse is delivered to an amplifier, ringing may occur if A. the amplifier is overdriven. B. direct coupling is used. C. there is inductance in the output circuit. D. the amplifier is operated without bias. 20. An oscilloscope grid is calibrated so that one square represents 1-V vertically and 1 msec horizontally. If the height of a square wave pulse display is 6 squares, the width of the pulse is 7 squares, and the cycle of the wave is 16 squares, the average value of the pulse is A. 1.73 V. B. 2.63 V. C. 3.97 V. D. 4.32 V. 21. To change the relationship between a waveform and the zero-volt axis, and at the same time retain the shape of the wave, you would use a A. toggled flip flop. B. d-e restorer. C. limiter. D. clipper. 22. Which one of the following actions will you take to decrease the rise time of pulses passing through an amplifier? A. Increase low-frequency response. B. Decrease low-frequency response. C. Increase high-frequency response. D. Decrease high-frequency response. 24. If the pulse repetition rate (PRR) of a transmitted pulse is 400 pulses per second, what is the period of the waveform? A. 2.5 msec B. 4.0 msec C. 25 msec D. 40 msec
Adi S.
Information is transmitted along a cable in the form of short electric pulses at 100,000 pulses/s. ( $a$ ) What is the longest duration of the pulses such that they do not overlap? (b) What is the range of frequencies to which the receiving equipment must respond for this duration?
A radio-frequency amplifier is designed to amplify signals in the frequency range $80 \mathrm{MHz}$ to $120 \mathrm{MHz}$. What is the shortestduration radio-frequency pulse that can be amplified without distortion?
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