Holooly Transparent Logo 2023
Holooly Transparent Logo 2023

Q. 7.6

Chapter 7

Q. 7.6

A transistor of width W is laid out with one gate finger and exhibits a total gate resistance of R_G [Fig. 7.23(a)]. Now, we reconfigure the device into four equal gate fingers [Fig. 7.23(b)]. Determine the total gate resistance thermal noise spectrum of the new structure.

7.23
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.

Subscribe

Already have an account?

Login

Related Answered Questions

Question: 7.22

Assuming that the devices in Fig. 7.59(a) operate in saturation and the circuit is symmetric, calculate the input-referred noise voltage. ...

Question: 7.21

A differential pair with current-source loads can be configured to act as a large “floating” resistor [7]. Illustrated in Fig. 7.58(a), the idea is to bias M1 and M2 at a very small current so as to obtain a high incremental resistance between A and B, approximately equal to 1/gm1 +1/gm2. Determine ...

Question: 7.20

Calculate the input-referred thermal noise voltage and current of the circuit shown in Fig. 7.49 assuming that all of the transistors are in saturation. ...

Question: 7.19

Design a resistively-loaded common-source stage with a total input-referred noise voltage of 100 μVrms, a power budget of 1 mW, a bandwidth of 1 GHz, and a supply voltage of 1 V. Neglect channel-length modulation and flicker noise and assume that the bandwidth is limited by the load capacitance. ...

Question: 7.18

A student writes the drain flicker noise current of a MOS device as [K/(WLCox f )]g^2 m = [K/(WLCox f )] (√2μnCox (W/L)ID)^2 = 2Kμn ID/(L^2 f ), concluding that the flicker noise current is independent of W. Explain the flaw in this argument. ...

Question: 7.17

Calculate the input-referred 1/ f and thermal noise voltage of the CS stage depicted in Fig. 7.44(a), assuming M1 and M2 are in saturation. ...

Question: 7.16

Determine the input-referred thermal noise voltage of the complementary common-source stage shown in Fig. 7.43. ...

Question: 7.15

Calculate the input-referred thermal noise voltage of the amplifier shown in Fig. 7.42(a), assuming both transistors are in saturation. Also, determine the total output thermal noise if the circuit drives a load capacitance CL . What is the output signal-to-noise ratio if a low-frequency sinusoid ...

Question: 7.14

Prove the above lemma using Thevenin equivalents. ...

Question: 7.13

Determine the input-referred noise voltage and current for the amplifier shown in Fig. 7.38(a). Assume that I1 is noiseless and λ = 0. ...