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a pcb trace is 0008 in wide and 00014 in thick the trace is located 0020 in above a ground plane what is the resistance
consider the following two conductors a 025 in diameter round conductor and a 05 in wide by 01in thick rectangular
a product requires 20 db of shielding at 200 mhz it is planned to use 100 small round cooling holes all the same size
a shield that contains 10 identical holes in a linear array is required to have 30 db of shielding effectiveness at 100
a shielded ventilation panel consists of a 20 by 20 array of 400 18 in round holes the panel is 12 in thick hence the
a 1h 400-omega relay coil is to be operated from a 30-v dc supply the switch controlling the relay has platinum
a a mechanical switch having silver contacts is used to control a 24-v dc relay with a winding resistance of 240 omega
determine the voltage per square root of bandwidth generated across terminals a-a for the circuit of fig p8-5 at room
a low-noise preamplifier is to be driven from a 10-omega source data supplied by the manufacturer specify vn and in at
a large microprocessor draws a total transient current of 10 a from a 33-v supply the logic has a risefall time of 1 ns
a 10 times 12-in embedded capacitance fr-4 epoxy glass pcb has a power-to-ground plane capacitance of 500 pf per square
it is desired to provide effective decoupling for a digital ic with a 3-ns switching speed at all frequencies above 1
what will be the magnitude of the transient load current for a cmos device with a 500-ps rise time operating from a
consider the case of a 0010-in wide micro strip linea what will be the minimum ground plane impedance at 600 mhzb at
a 100 mhz 50 duty cycle square wave current has an amplitude of 05 a and a risefall time of 05 ns what is the amplitude
what is the shape of the emission envelope for differential-mode and for common- mode radiation if the source of the
a above what frequency will the radiated emission of problem 126 begin to fall off as a result of the loop no longer
a switched-mode power supply has the following characteristicsswitching frequency 100 khzmaximum switching current 4
a product draws 05 a of steady-state current from the power supply and the voltage specification for proper operation
define a set of ac power line conditions voltage amplitude and duration under which you might suspect a piece of ite
what is the maximum linear dimension of a shielded enclosures aperture that will provide a minimum of 20 db of
when calculating the attenuation of an l-filter it is usually assumed that the circuit into which the filter is
which has the largest effect on the maximum value of the common-mode conducted emission from a switched-mode power
what two parameters of a switched-mode power supply other than the switching frequency and peak current rating have the
a large metal object has 10 pf of capacitance to an adjacent product in a plastic enclosure a discharge occurs to the