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Pulse and Digital Circuits Venkata Rao K., Rama Sudha K. and Manmadha Rao G.
T
= 5 = 0.2
T
5
v o (peak) = (0.2) 1
e = 0.198 V.
Fig.1
Response of the high-pass circuit for ramp input
2. A waveform shown in Fig.2p.2 is applied as input to an RC high-pass circuit whose
time constant is 250 ps. If the maximum output voltage across the resistor is 50 V, what
is the peak value of the input waveform?
Fig.2p.2
Input to the high-pass RC circuit
Solution:
For a ramp input
v () t
RC(1 e
)
o
t RC
At 0.005 10
6
t t1
s
v
i
50 25010 1e
6
0.00510
1
vi
25010 1e
6
500.00510
v (max) 1000V
i
6
0.00510
12 12
25010
6
0.00510
12 12
25010
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