Electronics: A Systems Approach 6th. Edition by Neil Storey | 9781292114064 | 1292114061 | Holooly

Electronics: A Systems Approach

142 SOLVED PROBLEMS

Question: 19.4

Determine the small-signal behaviour of the following feedback circuit. ...

Verified Answer:

This circuit is identical to that in Example 19.3,...

Question: 19.2

Determine the small-signal voltage gain, input resistance and output resistance of the following circuit, given that hfe = 100 and hoe = 10 μS. ...

Verified Answer:

The first step in this problem is to determine the...

Question: 18.6

For the circuit in Example 18.5, compare the values obtained for the gain of the circuit when using the expressions of Equations 18.7, 18.8 and 18.9, assuming that gm = 72 mS and rd = 50 kΩ. ...

Verified Answer:

From Equation 18.7 we have

\frac{v_{o}}{v_...

Question: 18.5

Estimate the input resistance, output resistance, small-signal voltage gain and lower cut-off frequency of the following circuit, given that gm = 72 mS. ...

Verified Answer:

Much of the analysis is similar to that of earlier...

Question: 17.3

Design a voltage reference of 3.6 V capable of driving a load of 200 Ω. The reference voltage is to be produced from a supply voltage that can vary between 4.5 and 5.5 V. ...

Verified Answer:

A suitable circuit would be as shown here. Clearly...

Question: 17.2

Repeat the investigation of Example 17.1 using a simplified model of the diode. ...

Verified Answer:

We have looked at three simplified models for the ...

Question: 16.7

Determine the input and output resistance of the following circuit, assuming that the operational amplifier is a 741. ...

Verified Answer:

From the material in Section 16.4.1, we know that ...

Question: 16.2

Design an inverting amplifier with a gain of -25 based on an operational amplifier. ...

Verified Answer:

We start with our standard circuit. From Equation ...

Question: 16.1

Design a non-inverting amplifier with a gain of 25 based on an operational amplifier. ...

Verified Answer:

We start with our standard circuit. From Equation ...

Question: 14.5

Calculate the power gain of the circuit in Example 14.1. ...

Verified Answer:

To determine the power gain, first we need to calc...

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