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A circuit board inside of a GPS receiver is being designed tooperate at 1.6 GHz. The circuit layout calls for a 8 pF capacitor as part of a low-pass filter, buta lumped element capacitor is not available at this frequency. Instead the circuit designerdecides to use a short circuited transmission line to create the same reactance as the capacitor at1.6 GHz. Lossless 75 Ohm microstrip lines are used on the 3 mmthick circuit board, which is made of a material withε=4ε0, μ=μ0.
What effective capacitance does the transmission line create at 1.55 GHz? At 1.65 GHz?
Draw a logic diagram of simple logic that converts the control variables CA, CB, and CC as inputs to outputs that are the SELECT inputs for the multiplexers and LOAD signals for the registers.
Construct a block diagram and an ASMD chart for digital system that counts the number of people in a room. The one door through whichpeople enter the room has photocell that changes a signal x from 1to 0 when the light is interrupted.
Construct a sequential circuit with two data inputs, A and B and two data outputs X and Y whose sequential behavior is as follows: the machine accepts data on the two input lines synchronously with the clock.
find the fourier series coefficients of z(t) (use the results of a) and b) along with the multiplication property of continuous time fourier series coefficients). find the fourier series coefficients of z(t) through direct expansion of z(t) in tri..
Two batteries with 1.8 voltage and 10.5 Ohm internal resistance each are connected in series. This battery pack is used to boot a small electric motor with 275 Ohm resistance. Find the power delivered to the motor.
A 10 kHz signal modulates a 500 MHz carrier, with a modulation index of 2. What are the maximum and minimum values for the instantaneous frequency of the modulated signal
the project manager on a development project working on a new line of laptop computers. The project has been broken down into the following modules: Power supply, Processor and motherboard with RAM, I/O circuit board
In any chemical fabrication process (eg. wet etching or CVD) there are two main regions where the reaction rate is dominated by different processes. Name them and explain what each of those regions mean.
The voltage drops across three resistors in series are measured 10V, 15V, and 25V. If the largest resistor is 47 ohms, what is the value of the smallest resistor?
Now, we want to build a circuit that counts the number of 1s in a 6-bit unsigned numbers using full and half adder circuits as building blocks. Design the simplest circuit that can accomplish this task.
A windmill park produces energy at a tension level of 11kV. The park is going to be coupled up with a 11kV net not far from the park. To reduce the loss in transer the tension is tranfomred p at the parka nd down again right before coupling to the..
An analog system has a bandwidth of 10 MHz, a photodetector of = 0.5 A/W and ID = 1 nA, and a signal to noise ratio (SNR) of 30 dB. The receiver's temperature is 270 C and the load resistance is 50 .
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