3- A microwave amplifier for cellular applications is being tested for linearity. The input to the amplifier is the sum of two sinusoidal waveforms at the frequencies of 860 MHz and 870 MHz, with an input power spectrum that looks like the figure on the left below. It is determined that the output power spectrum looks like the figure shown on the right (other components are filtered out). a) What is the value of the linear power gain of the amplifier? b) What is the value of the output IP3 for this amplifier? c) What is the value of the input IP3 for this amplifier? d) What is the max linear (fundamental) output power that can be obtained (in each of the two equal amplitude sinusoids) to keep the third order intermodulation products at a power level of 40 dB below the linear output power? e) What is the max. input power than can be used? -50 dBm -25 dBm output input -60 dBm 850 860 870 880 frequency 850 860 870 880 frequency

3- A microwave amplifier for cellular applications is being tested for linearity. The input to the amplifier is the sum of two sinusoidal waveforms at the frequencies of 860 MHz and 870 MHz, with an input power spectrum that looks like the figure on the left below. It is determined that the output power spectrum looks like the figure shown on the right (other components are filtered out). a) What is the value of the linear power gain of the amplifier? b) What is the value of the output IP3 for this amplifier? c) What is the value of the input IP3 for this amplifier? d) What is the max linear (fundamental) output power that can be obtained (in each of the two equal amplitude sinusoids) to keep the third order intermodulation products at a power level of 40 dB below the linear output power? e) What is the max. input power than can be used? -50 dBm -25 dBm output input -60 dBm 850 860 870 880 frequency 850 860 870 880 frequency

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...

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