Questions on the CMOS monostables
In the resting state of the NOR gate monostable, the inputs of IC1b are both
Select one of ...
A) low
B) high
C) 0 V
so its output is
Select one of ...
A) 0 V
B) low
C) high
and the
Select one of ...
A) input to
B) output of
C) inputs to
IC1a are
Select one of ...
A) low.
B) 0V.
C) high.
The monostable is triggered by a
Select one of ...
A) 0 V
B) high
C) low
pulse. This produces a
Select one of ...
A) low
B) high
C) rising
output from
Select one of ...
A) IC1a.
B) IC1b.
C) C1.
The low-going voltage passes through
Select one of ...
A) R1
B) IC1b
C) C1
, pulling the
Select one of ...
A) output of IC1a
B) input of IC1a.
C) inputs of IC1b
low, and resulting in a
Select one of ...
A) falling.
B) low.
C) high.
output. Next,
Select one of ...
A) a current flows through C1.
B) C1 is charged through R1
C) R1 discharges C1
until the
Select one of ...
A) voltage at
B) current through
C) current from
Select one of ...
A) IC1a
B) B
C) A
reaches its
Select one of ...
A) half-way
B) lowest
C) highest
value. As it passes this value, Vout
Select one of ...
A) rises
B) stays close
C) falls
to
Select one of ...
A) the positive supply.
B) zero.
C) half the positive supply.
.
Return to
Index
.
