Question 15.3: Refer to Fig. 15.6, What constraints would you impose on the...

Introduction to Circuit Analysis and Design

Refer to Fig. 15.6, What constraints would you impose on the input impedance $Z_i$ and the output impedance $Z_o$ if it is desired that the voltage transfer function be only weakly dependent upon the source impedance $Z_S$ and the load impedance $Z_L$ ?

15-6

The "Step-by-Step Explanation" refers to a detailed and sequential breakdown of the solution or reasoning behind the answer. This comprehensive explanation walks through each step of the answer, offering you clarity and understanding.
Our explanations are based on the best information we have, but they may not always be right or fit every situation.

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

This Question has been Answered.

Already have an account?

Related Answered Questions

Question: 15.23

The voltage transfer function for a certain highpass circuit is Hν= jf/f0 / 1+jf/f0 Use the maximum passband gain as the reference gain and find the half-power width of the stopband. ...

Verified Answer:

The squared voltage gain is given by

A_ν{ ...

Question: 15.22

The voltage transfer function for a certain lowpass circuit is Hν=1/1+jf/f0 Use the dc gain as the reference gain and find the half-power bandwidth of the circuit. ...

Verified Answer:

The squared voltage gain is given by

A_ν^2...

Question: 15.2

(a) Obtain expressions for the voltage transfer function, the current transfer function, the transimpedance, and the transadmittance of the circuit (amplifier) in Fig. 15.3. (b) Let ZS=100Ω,Zi=10kΩ,Zo=10Ω, ZL=5kΩ, and g= g0/1+jf/f0 ;g0=0.2 S,f0=2kHz Find the load voltage for ...

Verified Answer:

(a) The load and the output subcircuit comprise a ...

Question: 15.19

Repeat Example 15.18 , but with α=0.05 . ...

Verified Answer:

The asymptotic approximation is unchanged. The fre...

Question: 15.18

Draw an asymptotic plot of voltage gain in dB versus frequency for a circuit having the transfer function Hν = 10j (f/f0) /[1+j(f/f1)] [1+2αj(f/f2)−(f/f2)²] where f0 = 10 kHz, f1 = 200 kHz, f2 = 3 MHz, α = 0.3. ...

Verified Answer:

Because

\alpha=0.3>0.25

, we ap...

Question: 15.1

Obtain expressions for the voltage transfer function and the current transfer function of the circuit in Fig. 15.2(a). Assume the op amp is ideal. ...

Verified Answer:

We transform the circuit to the frequency domain, ...

Question: 15.8

Refer to Fig. 15.9. (a) Obtain expressions for the voltage transfer function, the current transfer function, the transimpedance, and the transadmittance. (b) Express the associated gain for each in dB , where each gain is normalized to its value for f=0 , and construct a plot of each gain for ...

Verified Answer:

(a) Kirchhoff's current law gives

\left(\f...

Question: 15.4

In Fig. 15.7, ZS=100Ω and ZL=R+jωL, with R=10Ω and L=80μH. The available voltage is vS=VScos(ω1t), with VS=750mV and f1=20kHz. The voltage transfer function of the circuit is Hν= K//1+jf/f0, with K =100 and f0=10kHz . Use the voltage gain and phase shift to find the load voltage νL(t) ...

Verified Answer:

The voltage gain and phase shift at the frequency ...

Question: 15.5

Example 15.5. The voltage gain of a certain circuit at a certain frequency is 400 . What is the gain in dB ? ...

Verified Answer:

From (15.23),

\left(\frac{V_{L r m s}}{V_{...

Question: 15.6

Example 15.6. The voltage gain of a certain circuit at a certain frequency is 55 dB . What is the actual voltage gain (not dB ) at that frequency? ...

Verified Answer:

From (15.23) and the data given,

\left(\fr...