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design a circular cavity resonator to operate in the te111 mode with maximum unloaded q at a frequency of 6 ghz the
consider the microstrip ring resonator shown below if the effective dielectric constant of the microstrip line is e
an air-filled rectangular cavity resonator has its first three resonant modes at the frequencies 52 65 and 72 ghz find
consider the t and pi resistive attenuator circuits shown below if the input and output are matched to z0 and the ratio
a directional coupler has the scattering matrix given below find the return loss coupling factor directivity and
two identical 90 couplers with c 834 db are connected as shown below find the resulting phase and amplitudes at ports
consider the t-junction of three lines with characteristic impedances z1 z2 and z3 as shown below demonstrate that it
design a three-port resistive divider for an equal power split and a 100 omega system impedance if port 3 is matched
a coupled microstrip line is to be designed for a substrate having a thickness of 20 mm and dielectric constant of 100
an edge-coupled stripline with a ground plane spacing of 20 mm and a dielectric constant of 42 has strip widths of 06
develop the necessary equations required to design a two-hole directional coupler using two waveguides with apertures
repeat problem 714 for a design with a chebyshev response having a minimum directivity of 30 dbproblem 714 design a
design a five-hole directional coupler in a ku-band waveguide with a binomial directivity response the center frequency
design a lossless t-junction divider with a 30 omega source impedance to give a 31 power split design quarter-wave
a 20 dbm power source is connected to the input of a directional coupler having a coupling factor of 20 db a
write the scattering matrix for a nonideal symmetric hybrid coupler in terms of the coupler parameters c d i and l as
design a low-pass maximally flat lumped-element filter having a passband of 0-2 ghz and an attenuation of at least 20
design a high-pass lumped-element filter with a 3 db equal-ripple response a cutoff frequency of 3 ghz and at least 30
verify the operation of the admittance inverter of figure 838c by calculating its abcd matrix and comparing it to the
problem statement a specialized piece of laboratory test equipment called a spectrum analyzerwill be placed on a mobile
design a four-section bandpass lumped-element filter having a maximally flat group delay response the bandwidth should
design a three-section bandstop lumped-element filter with a 05 db equal-ripple response a bandwidth of 10 centered at
design a stepped-impedance low-pass filter with fc 20 ghz and r0 50 using the exact transmission line equivalent
design a maximally flat band stop filter using four open-circuited quarter-wave stub resonators the center frequency is
design a band pass filter using three quarter-wave short-circuited stub resonators the filter should have a 05 db