A low noise 3 stage cascaded power amplifier is to be used in a typical low noise communication receiver. The specifications of the three stages are given below: Amplifier-1: Gain G1 =28 dB ; bandwidth = 2 kHz ; total output noise power = - 140 dBW Amplifier-2: Gain G2 = 20 dB ; equivalent noise temperature Te2 = 423 °K Amplifier-3: Gain G3 = 16 dB ; noise ratio F3 = 2 Assume that all amplifiers are kept at the same reference temperature = 27 °C. Calculate

A low noise 3 stage cascaded power amplifier is to be used in a typical low noise communication receiver. The specifications of the three stages are given below: Amplifier-1: Gain G1 =28 dB ; bandwidth = 2 kHz ; total output noise power = - 140 dBW Amplifier-2: Gain G2 = 20 dB ; equivalent noise temperature Te2 = 423 °K Amplifier-3: Gain G3 = 16 dB ; noise ratio F3 = 2 Assume that all amplifiers are kept at the same reference temperature = 27 °C. Calculate

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

A three-stage system comprised of two amplifiers and one filter. The input power Pin= 0.1mW. The absolute power gains are Ap1 = 100, Ap2 = 40, and Ap3 = 0.25 Determine a.) the input power in dBm, b.) output power (Pout) in watts and dBm, c.) the dB gain of each of the three stages, and d.) the overall gain in dB
3. A full-wave zero-current switching quasi-resonant boost converter is operated at the following specification: Input voltage VS=48V, Output voltage Vo=60V Switching frequency fs=0.6MHz, Output current Io = 4A Calculate the requirement of the resonant component Lr and Cr, when the converter is just operated at the boundary of the ZCS mode. Estimate the power loss in the Lr if its series equivalent resistance is 0.1 Ω.
Class C amplifiers are used as . O a. Audio Frequency amplifier O b. Detectors O . none of these O d. Radio Frequency amplifier
Calculate the output impedance for small-signal equivalent circuit. (R=10 k2, r. =10 k2) ER Rout O A) Rout = 3.3 ka O B) Rout = 20 ko )C) Rout = 30 ka DI Rout = 5 k0
Q.) Figure below divider bras amplifier Circuit. Givent the model Parameter : gm = 5o mS emitter (CE) Voltage BJT hibrid- TT Shows a Common riT: 6 Kr and to %3D : 00 +Vc. RI C2 Tooks touf RL Vo ihe 200 RE TCE Vs 20 a Draw the Ac eQuivalent at low Freauency Circuit Zi and b.) Determine inPut impedance at mid FreaUincy OutPut imPedance Z0 c.) Calculafe two low Cut -oFF FreQuen Cies FLC1 and FLC2 Ci and E2 respectively Such as due to the exterda al capacitors
What is an A/D converter with Voltage-to-Frequency Conversion (VFC)? What is the working principle?
what is the Rin, Rout, gain in given figure
Given a 3 stages system comprised of two amplifiers and filter. The input power Pin = 0.1 mW. The absolute power gains are AP1 = 100, AP2 = 40 and AP3 = 0.25. Determine a) the input power in dBm b) output power (Pout) in watts and dBm c) the dB gain of each of the 3 stages d) the overall gain in dB
(a) An instrumentation system shown in Figure Q3 (a-i) has a Nickel resistor detector device (RTD) sensor with the characteristics shown Figure Q3 (a-ii). The three wires bridge has R1= 200 Q, R2= 500 Q, and R3= 650 Q. The amplifier has a gain of 17.2, and the battery voltage is VB=1.2v. (i) Calculate the amplifier output voltage Vo when the boiler temperature is 150 °C. (ii) Explain the RTD principle of operation. R1 R2 Industrial boiler Nickel R3 RTD Vaa Vo Figure Q3 (a-i) 400 Nickel 350 300 Platinum 250 200 150 100 50 Copper -200 200 400 600 800 RTD temperature (oC) Figure Q3 (a-i) RTD Resistance ()
Hand Calculation: 1. For different configurations shown in Figure 1, perform approximate hand calculations assuming that the operational amplifier is ideal. In each case sketch the expected output waveform in Table I. Assume that the sine and triangular waves have amplitude of 1V, the square wave varies from 0 to 5V with 50% duty cycle, and frequency of all signals is set to 1kHz. 2. Redesign the integrator circuit so that when the input is sine wave with frequency 1kHz the output voltage will have same amplitude. Use C=0.1μF. 3. Redesign the differentiator circuit so that when the input is sine wave with frequency 1kHz the output voltage will have same amplitude. Use C=0.1μF.
VI Ru Ri Vz I, R2 Io R2 = 3837.79 Q. R1 = 3763.67 0. R3 = 3989.3 Q. %3D R4 = 2898.06 Q. %3D V1 = 4.8 V. V2 = 8.1 V. 11 = 0.0099 A Determine the following: a.) The output current lo
For a 2 stage amplifier system, the voltage gain of the first stage is 100 and of the second stage is 200. What will be total voltage gain of the system in decibels.