(Q1.) If the pulse repetition rate (PRR) of a transmitted pulse is 400 pulses per second, what is the period of the waveform?

- 2.5 msec (microseconds)
- 25 msec (microseconds)
- 40 msec (microseconds)
- 4.0 msec (microseconds)

(Q2.) 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

- Toggled flip flop
- clipper
- d-c restorer
- limiter

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