Figure 3-2.Square wave
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Square Wave
Sawtooth Wave
Neets Module 09-Introduction to Wave-Generators and Wave-Shaping Circuits
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3-3
Figure 3-2.—Square wave.
One alternation is called a PULSE. The time for one complete cycle is called the PULSE-
REPETITION TIME (prt). The number of times in 1 second that the cycle repeats itself is called the
PULSE-REPETITION
FREQUENCY
(prf) or PULSE-REPETITION RATE (prr). If each alternation in
figure 3-2 is 200 microseconds (µs), the prt will be 400 microseconds, and the prf will be 2,500 hertz. The
following examples are provided to illustrate the mathematical relationship between prf and prt:
You should readily see that prt is just the inverse of prf. Therefore: Given:
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