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WorksheetsAnalog Multipliers
Total questions: 10
Worksheet time: 10mins
In an emitter-coupled transistor pair used for analog multiplication, the differential pair provides:
Voltage gain only
Current gain only
A logarithmic relationship between input and output
An exponential or hyperbolic tangent relationship between differential input and output
The Gilbert cell is primarily used to perform:
Signal amplification
Voltage regulation
Analog multiplication and mixing
Analog-to-digital conversion
A key advantage of using a Gilbert multiplier cell in analog design is:
Temperature independence
Low power consumption
Linearity over a wide range
Ability to perform four-quadrant multiplication
Which of the following ICs is a widely used analog multiplier?
LM741
LM317
AD633
LM393
The AD633 analog multiplier is capable of which type of multiplication?
Single-quadrant
Two-quadrant
Four-quadrant
Eight-quadrant
In a Gilbert cell multiplier, the linearity is most accurate when:
One input is held at a constant DC level
Both inputs are large signals
Both inputs are small-signal and within linear region
Both inputs are high-frequency signals
The basic function of an analog multiplier circuit is to:
Add two signals
Amplify a signal
Multiply two input voltages
Convert analog to digital
A typical application of analog multipliers in communication systems is:
Signal buffering
Signal detection and modulation
Voltage reference generation
Clock signal generation
In a practical analog multiplier IC, the accuracy of multiplication is limited by:
Power supply voltage
Temperature variations and non-ideal transistor behavior
The number of inputs
Output capacitance
Which of the following is *not* an application of analog multipliers?
Phase detectors
RMS converters
Frequency mixers
ADC converters
