Switching voltage regulators have ______ than linear regulators.
-
longer life -
simpler circuitry -
greater efficiency -
lower cost
Current cannot flow to ground through a(n) ________.
-
mechanical ground -
ac ground -
virtual ground -
virtual short
If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.
-
True -
False
If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.
-
True -
False
A ______ is not a multivibrator.
-
one-shot -
flip-flop -
VCO -
bistable
What value of input resistance is needed in the given circuit to produce the given output voltage?
-
50 
-
4 k -
4.08 k -
5 k
Decreasing the gain in the given circuit could be achieved by
-
reducing the amplitude of the input voltage -
increasing the value of the feedback resistor -
increasing the value of the input resistor -
removing the feedback resistor
The ideal output impedance for an operational amplifier is 0 .
-
True -
False
An oscillator whose frequency can be controlled by an input "control voltage" is called a(n) ______ .
-
PLL -
Schmitt trigger -
VCO -
S-R latch
The 555 timer can be connected to operate a(n) ___________.
-
astable multivibrator -
bistable multivibrator -
monostable multivibrator -
astable multivibrator and a monostable multivibrator
Current cannot flow to ground through a(n) ________.
-
mechanical ground -
ac ground -
virtual ground -
virtual short
The voltage gain is ______ for the amplifier in the given circuit.
-
–4 -
–5 -
–6 -
–7
The voltage gain is ______ for the amplifier in the given circuit.
-
–4 -
–5 -
–6 -
–7
If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.
-
True -
False
The 555 timer can be connected to operate a(n) ___________.
-
astable multivibrator -
bistable multivibrator -
monostable multivibrator -
astable multivibrator and a monostable multivibrator