1)Which of the following are possible uses of current mirrors in linear amplifie

Question

1)Which of the following are possible uses of current mirrors in linear amplifier circuits?

A)Transistor Biasing

B)Active loads

C)All of the above

D)None of the above

2)Which of the following represents the main advantage of the cascode current mirror over the base-compensated current mirror?

A)Larger compliance range.

Higher output resistance.

Lower component count.

All of the above are advantages of the cascode current mirror over the base-compensated current mirror.

A)Transistor Biasing

B)Active loads

C)All of the above

D)None of the above

2)Which of the following represents the main advantage of the cascode current mirror over the base-compensated current mirror?

A)Larger compliance range.

B)

Higher output resistance.

C)

Lower component count.

D)

All of the above are advantages of the cascode current mirror over the base-compensated current mirror.

Explanation / Answer

(1) the current mirror of linear amplification is possible using both the transistor biasing and active loads (such as MOSFET ), the current mirror concepts included the coping of current in one circuit by another circuit making the total output current as constant.

so (c) is correct

(2)the advantages of the cascade current mirror over the bias compensated current mirror :

(a) the high output resistance

(b) high range of the power rails

(c) less number of component

so (d) is correct

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