The following input impedance curves have been measured for a straight wire antenna as a function of frequency. 17000 in 36.50 20Ω 2 4 f(GHz) X in 1 2 4 f(GHz) `-6002 (a) What is the physical length of this antenna in centimeters? (b) If the efficiency of this antenna at the standard operating frequency is 75%, find out the maximum gain in dB at the standard operating frequency.

The following input impedance curves have been measured for a straight wire antenna as a function of frequency. 17000 in 36.50 20Ω 2 4 f(GHz) X in 1 2 4 f(GHz) `-6002 (a) What is the physical length of this antenna in centimeters? (b) If the efficiency of this antenna at the standard operating frequency is 75%, find out the maximum gain in dB at the standard operating 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...

See similar textbooks

Similar questions

I₂=20A Q.41: For the current locus diagram shown beside: Draw the equivalent electric circuit diagram corresponding to the given locus? then find the value of each element in the circuit if w=1000rad/sec? Also find the total current at resonance? I₁=30A 300 (Ans.: Zc-6.35-J3.67Q, R=11Q2, X=14.6722 & To=46A) al 220/10°V
Problem 3. A receiver front end has a noise figure of 10 dB and a gain of 60 dB and a bandwidth of 12 MHz. The input signal power is 10-11 W. The antenna temperature is 180° K. Find Te, Ts, Nout, SNRin and SNRout. You may use To=290° K and Boltzmann's constant equals 1.38 x 10-23 J/K.
An antenna with a radiation resistance of 48 Q, a loss resistance of 20 and a reactance of 50 Q is connected to a generator with an open circuit voltage of 10 V and internal impedance of 50 through a transmission line with a characteristic impedance of 100 . Determine the power supplied by the generator and power radiated by the antenna.
What is the required bandwidth according to the Carson's rule, when a 100 MHz carrier is modulated with a sinusoidal signal at 1KHz, the maximum frequency deviation being 50 KHz.
What is the gain of an isotropic antenna in decibel?
The radiation resistance and the loss resistance of a pyramidal horn antenna are 50.55 ohm and 20.23 ohm respectively. What will be the radiation efficiency of the antenna?
Q6: An AM signal of 50 watt power is transmitted in a frequency range 200 – 210 kHz in a transmission channel with power spectral density shown in figure. below. Calculate signal-to-noise ratio in the transmission channel. S,(f) watt/Hz 106 f(kHz) -400 400
I hope to write a simple summary so that I can save it because I have exams Difference between Hertz Antennas (half-wave) and Marconi (quarter-wave) Antennas.