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13. Two resistors, 20 KQ and 50 k at ambient temperature. Calculate, for a bandwidth equal to 100 kHz, the thermal noise voltage for the two resistors connected in parallel.

13. Two resistors, 20 KQ and 50 k at ambient temperature. Calculate, for a bandwidth equal to 100 kHz, the thermal noise voltage for the two resistors connected in parallel.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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13. Two resistors, 20 KQ and 50 k at ambient temperature. Calculate, for a bandwidth equal to 100 kHz, the thermal noise voltage for the two resistors connected in parallel. 14. Calculate the noise voltage at the input of a TV RF amplifier using a device that has a 200-0 equivalent noise resistance and a 300- input resistor. The bandwidth of the amplifier is 6 MHz and the temperature is 17 C. 15. Given a 3 stage system with an input power Pin=-26 dBm and the power gains of the 3 stages of Ap1-23 dB, Ap2=-3dB, Ap3=16dB, determine the output power Pout in dBm and watts.
Transcribed Image Text:13. Two resistors, 20 KQ and 50 k at ambient temperature. Calculate, for a bandwidth equal to 100 kHz, the thermal noise voltage for the two resistors connected in parallel. 14. Calculate the noise voltage at the input of a TV RF amplifier using a device that has a 200-0 equivalent noise resistance and a 300- input resistor. The bandwidth of the amplifier is 6 MHz and the temperature is 17 C. 15. Given a 3 stage system with an input power Pin=-26 dBm and the power gains of the 3 stages of Ap1-23 dB, Ap2=-3dB, Ap3=16dB, determine the output power Pout in dBm and watts.
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