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WorksheetsMicroelectronics quiz 1
Total questions: 14
Worksheet time: 7mins
In which region the MOSFET acts as an amplifier?
cutoff region
saturation region
triode/linear region
none
What does Miller theorem states?
Impedance Z can be replaced by two impedances, Z1 and Z2
Impedance Z cannot be replaced by two impedances, Z1 and Z2
Only Z1 acts
Only Z2 acts
Current transfer ratio is determined by
Current flowing through Transistors Q1 and Q2
voltage drop at the emitter base junction
relative areas of emitter base junction of transistors Q1 and Q2
none
In how many bands the frequency response of CS amplifier is defined?
1
2
3
4
In which band, all the capacitance can be neglected?
low frequency band
high frequency band
valence band
midband
DIBL stands for
Drain induced barrier lowering
Drain induced body lowering
Drain induction barrier lost
none
How many internal capacitance are there in a Mosfet?
3
4
5
6
What is current steering?
switching current between two sides of a differential pair with a tail current (current source).
switching current between two sides of a cascode amplifier with a tail current (current source).
switching current between two sides of a CS amplifier with a tail current (current source).
switching current between two sides of a CG amplifier with a tail current (current source).
Who invented Wilson current mirror?
John Wilson
George Wilson
kate Wilson
jay Wison
The multiplication of a feedback capacitance by (1-K) is referred to as
reduction
miller division
miller summation
miller multiplication
Which is used for high power applications?
BJT
MOSFET
JFET
TUNNEL DIODE
The Drain Current of a MOSFET in saturation region is given by:
IDS = 1/2 µnCox W/L (VGS -VT ) 2
IDS = 1/2 µnCox W/L VGS 2
IDS = 1/2 µnCox (VGS -VT ) 2
IDS = µnCox W/L (VGS -VT ) 2
What is a current mirror?
is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading.
is a circuit designed to transfer a current through one active device by controlling the current in another active device .
is a circuit designed to share a current through one active device by controlling the current in another active device
none
What does MOSFET stand for?
Metal semiconductor field effect transistor
Metal oxide selenium field effect transistor
Metal oxide silicon field effect transistor
Metal oxide semiconductor field effect transistor
