Thermal noise is a type of noise that is produced when electrons move rapidly andrandomly within a conductor due to thermal agitation. Determine the following foran amplifier operating at a temperature of 27°C and a bandwidth of 20 kHz. Assumethat the ambient temperature is 290 Kelvin.(i)the thermal noise power in watts and dBm.(ii)the RMS noise voltage for a 60 Q internal resistance and a 60 Q loadresistance.(iii)the increase in thermal noise power in dB if the temperature increased to70°C.(iv)the increase in thermal noise power caused by doubling the bandwidth.

Answered: Image /qna-images/answer/8430b547-6e24-4ed3-811d-e7652d7c56dc.jpg

Thermal noise is a type of noise that is produced when electrons move rapidly and randomly within a conductor due to thermal agitation. Determine the following for an amplifier operating at a temperature of 27°C and a bandwidth of 20 kHz. Assume that the ambient temperature is 290 Kelvin. (a) (i) the thermal noise power in watts and dBm. (ii) the RMS noise voltage for a 60 N internal resistance and a 60 Q load resistance. (iii) the increase in thermal noise power in dB if the temperature increased to 70°C. (iv) the increase in thermal noise power caused by doubling the bandwidth.

Thermal noise is a type of noise that is produced when electrons move rapidly and randomly within a conductor due to thermal agitation. Determine the following for an amplifier operating at a temperature of 27°C and a bandwidth of 20 kHz. Assume that the ambient temperature is 290 Kelvin. (a) (i) the thermal noise power in watts and dBm. (ii) the RMS noise voltage for a 60 N internal resistance and a 60 Q load resistance. (iii) the increase in thermal noise power in dB if the temperature increased to 70°C. (iv) the increase in thermal noise power caused by doubling the bandwidth.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Calculate phase shift between VR and VC . Change the input voltage from 5 to 10 , 15 , 20 volts. If we increase the input frequency from 1kHz to 5 kHz, what is the phase shift between the voltage Vc and current I?
A. For the circuit diagram shown below, determine and sketch the output voltage (Vout). 1_ohm GaAs 1 ohm 1_ohm Ge Si A 1_ohm. 6_Vpeak w. Vout)
The circuit is shown below, Vin is the sinusoidal waveform with magnitude 5V and frequency is 100 Hz, R = 1 k, C = 1 uE, the chip is supplied by + 12 V source. a) What is the waveform of Yout? b) Calculate the magnitude of Vo c) If Vin is triangle waveform, what is the output waveform? -Vout , if Vin is triangle waveform with magnitude of 5 V (peak-to-peak value is 10 V) and frequency is 10 kHz, calculate waveform of you and the magnitude of I/?
Styles 1. The noise produced by a resistor is to be amplified by a noiseless amplifier having a voltage gain of 75 and a bandwidth of 100 kHz. A sensitive meter at the output reads 240 μV rms. Assuming operation at 37° C, calculate the resistance of the resistor. If the bandwidth were cut to 25 kHz, determine the expected output meter reading. (Ctrl) -
An RL load (R=0.2 Ohms, L=10 mH) is controlled by a converter. The supply voltage Vs is 600V and the chopper frequency is 200 Hz. The maximum peak to peak ripple current is equal to: Select one: a. 30A b. 55A c. 90A d. 75A
An ideal boost converter is required to have a constant output voltage of 12 V at 24 W load.The input voltage varies from 2.7 to 4.5 V (as in a battery cell). Select a switching frequency of100 kHz. The value of the inductance in the boost converter is 2.2 uH. Determine:(a) The range of duty cycle that the converter will operate with (hint: mode?), and(b) The minimum value of the output capacitance such that the pk-to-pk load voltage rippleis less than 2%.
Please describe in specific form the most significant differentiators between typical thermal noise and phase noise.
Question Construct a Phase-Shift oscillator for oscillation frequency in a few MHz. You can make any assumption for your design. In your design, sketch the oscillator's circuit, provide a list of components with calculated value and show all calculations in detail. Note: 1. Justify the applications of your design suitable with the frequency of oscillation, f,. 2. Determine the selected frequency of oscillator using the following equation: 1 f. 2n/3RC
Please Solve this Question: Design a Relaxation oscillator (using 1 OPAMP, 3 resistors and 1 capacitor) togenerate a square waveform of period 220us and 50% duty cycle.
a.Derive the excitation equations b. Determine transition and output equations c. Derive the transition/output table and Draw the state diagram.
The waveform below is from a 70-Vac source. - 50 ms 180 V Determine: a. Vpk (ans: 98.9949 V) b. Vpk-pk (ans: 197.9899 V) c. Vrms (ans: 70 V) d. Period(ans: 100 ms) e. Frequency(ans: 10 Hz) f. Angular velocity(ans:20n rad/sec) g. Phase angle(ans: 125.0876°) h. equation of the waveform(in time domain) i. the instantaenous voltage when t = 120ms(ans: -29.0880 V) j. the angle (1st occurence)after t = 0 when the voltage is + 80 V(ans: 0.99959 °) k. the time (2nd occurence) after t = 0 when the voltage is – 10 V(ans: 63.643 ms) (ans: v(t) = 98.9949sin(20nt – 125.0876°))