Virtual Labs

Electronics and Communication Engineering Analog Electronics Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Log and Antilog amplifiers.

Choose difficulty:

Beginner

Intermediate

Advanced

The output voltage of a log amplifier using BJT is measured between __________ junction.

a: Base-collector Explanation

Explanation

b: Base-emitter Explanation

Explanation

c: Emitter-collector Explanation

Explanation

d: Emitter-ground Explanation

Explanation

In logarithmic signal compression __________.

a: large and small voltages are compressed equally Explanation

Explanation

b: large voltages are compressed more than small voltages Explanation

Explanation

c: large voltages are compressed less than smaller voltages Explanation

Explanation

d: none of the above Explanation

Explanation

A log amplifier has _____ in the feedback loop.

a: a diode Explanation

Explanation

b: a BJT Explanation

Explanation

c: a resistor Explanation

Explanation

d: either a diode or a BJT Explanation

Explanation

The log of a number is the _________.

a: base to which the power must be raised to get that number Explanation

Explanation

b: power to which the base must be raised to get that number Explanation

Explanation

c: base of that number Explanation

Explanation

d: power of that number Explanation

Explanation

Which of the following functions does the antilog computation required to perform continuously with log amplifiers?

a: ln(x) Explanation

Explanation

b: log(x) Explanation

Explanation

c: sinh(x) Explanation

Explanation

d: All of the above Explanation

Explanation

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