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An analog system requires an antenna signal power of 100pW to meet the required detected signal-to-noise ratio. Other system parameters are given as follows:Gt(dB) =4dBGr(dB) =6 dBf= 900MHzd= 50 kmassuming direct-ray propagation, determine the minimum value of the transmitter power required.
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
The toggle switch has been closed for two minutes. During the first 15 seconds after the closing of the toggle switch, pushbutton I2 was pressed four times. Describe what the status of the motor and the pilot light (PL) will be at the two minute m..
A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000 C for two hours to form a ‘dense.
design a circuit using an inverting amplifier that will produce a +- 10-V output signal corresponding to the bed position and deliver it to a 1k load. The output should be 0V at when the bed is in the center position
A series RLC circuit has a resonant frequency of 40 kHz and the Q is 20. At what frequency will the phase angle be 45 degrees
Explain the function of the HMI in a SCADA system.
Explain how primitive values like doubles are passed between functions in Java. How are string objects passed between functions in Java How are static methods different from non-static methods How do you invoke a static method
An input signal given by Vin(t)=5cos(500pi*t)+5cos(1000pi*t)+5cos(2000pi*t) is applied to a basic lowpass RC filter. R=318.3 ohms and C=1 microFarad. Find the expression for the output signal in terms of t and pi.
Consider an RLC circuit with R = 5 Ohms, L= ½ H, C= 2/9 F and input voltage e(t) = exp(-t/2)a. Starting from KVL show that the DE for the voltage across R is given by: v'' + 10 v' + 9 v = -5 exp(-0.5 t) b. Find vc in terms of the arbitrary constants ..
An Air capacitor consisting of two closely spaced parallel plates has a capacitance of 1000 pF. The charge on each plate is 1 micro C. What is the potential difference between the plates. If the charge is kept constant.
The serial ports on two computers which use binary signaling are connected by a twisted pair cable. The cable has a flat frequency response up to 120KHz, with negligible group delay distortion. That is, the bandwidth of the cable is 120KHz.
Two charges are held fixed in an x-y plane. Charge Q=-1*10^-9 C is located at the origin, q=3*10^-9 C is located at (0,2). Determine the voltage (v_ba) between point 'b' located at (3,0) and point 'a' located at (1,0).
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