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1118 ⏐⏐⏐ PULSE WAVEFORMS AND THE R-C RESPONSE
div.
8
7.5
2
20 mV
v (V)
0 0.2 0.4 1.8 2.0 3.4 3.6
v
Vertical sensitivity = 10 mV/div.
Horizontal sensitivity = 2 ms/div.
0 t
v
FIG. 24.51
Problems 1, 8, and 12.
FIG. 24.53
Problems 3, 4, 10, and 13.
0 2 6 10 20 22 26 30 t (ms)
FIG. 24.54
Problems 6 and 14.
t (ms)
PROBLEMS
SECTION 24.2 Ideal versus Actual
1. Determine the following for the pulse waveform of Fig.
24.51:
a. positive- or negative-going?
b. base-line voltage
c. pulse width
d. amplitude
e. % tilt
2. Repeat Problem 1 for the pulse waveform of Fig. 24.52.
7
0
–1
3. Repeat Problem 1 for the pulse waveform of Fig. 24.53.
4. Determine the rise and fall times for the waveform of
Fig. 24.53.
5. Sketch a pulse waveform that has a base-line voltage of
�5 mV, a pulse width of 2 ms, an amplitude of 15 mV,
a 10% tilt, a period of 10 ms, and vertical sides, and that
is positive-going.
6. For the waveform of Fig. 24.54, established by straightline
approximations of the original waveform:
a. Determine the rise time.
b. Find the fall time.
c. Find the pulse width.
d. Calculate the frequency.
7. For the waveform of Fig. 24.55:
a. Determine the period.
b. Find the frequency.
c. Find the maximum and minimum amplitudes.
v
v (mV)
4 7 12 15 20 23
FIG. 24.52
Problems 2 and 9.
0 t
Vertical sensitivity = 0.2 V/div.
Horizontal sensitivity = 50 ms/div.
FIG. 24.55
Problems 7 and 15.
t (ms)