Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
show that the scattering parameters for an fet can be expressed in terms of the parameters of the equivalent circuit of
given the scattering parameters for an fet derive expressions for the parameters of the equivalent circuit model of
repeat the analysis of the balanced amplifier of example 127 using a 3 db coupled line hybrid coupler use cad software
use the transistor data given in table 121 to design a power amplifier at 1 ghz with a power output of 1 w design the
the noise figure of a microwave receiver front-end is measured using the y -factor method a noise source having an enr
use the micro-parameter test to determine which of the following devices are unconditionally stable and of those which
the scattering parameters of a gan hemt device are given at four frequencies in table 118 use the k - test to
analyze a balanced mixer using a 180 hybrid junction find the output if current and the input reflections at the rf and
let tssb be the equivalent noise temperature of a mixer receiving a ssb signal and tdsb be the temperature when it
consider a diode mixer with a conversion loss of 5 db and a noise figure of 4 db and a fet mixer with conversion gain
an rf input signal at 1800 mhz is down-converted in a mixer to an if frequency of 87 mhz what are the two possible lo
if the noise power ni ktb is applied at the rf input port of a mixer having noise figure f dsb and conversion loss lc
consider the microwave network shown below consisting of a 50 source a 50 omega 3 db matched attenuator and a 50 omega
using the scattering parameter data for the gaas mesfet given in table 117 design an amplifier for maximum gain at 80
consider the impedance matching network shown at left below where a load zl l at port 2 is matched to a source
a 28 ghz radio link uses a tower-mounted reflector antenna with a gain of 32 db and a transmitter power of 5 wa find
the atmosphere does not have a definite thickness since it gradually thins with altitude with a consequent decrease in
on a clear day with the sun directly overhead the received power density from sunlight is about 1300 wm2 if we make the
repeat the oscillator design of example 134 by replacing the dielectric resonator and microstrip feedline with a
an oscillator uses an amplifier with a noise figure of 6 db and a resonator having a q of 500 and produces a 100 mhz
design a colpitts oscillator operating at 200 mhz using an fet in a common gate configuration including the effect of a
find the necessary lo phase noise specification if an 860 mhz cellular receiver with a 30 khz channel spacing is
a pulse radar operates at 2 ghz and has a per-pulse power of 1 kw if it is to be used to detect a target with sigma 20
the mariner 10 spacecraft used to explore the planet mercury in 1974 used bpsk withto transmit image data back to earth
a key premise in many science fiction stories is the idea that radio and tv signals from earth can travel through space