In the circuit below "I" is a DC current, and vs is a sinusoidal signal. Given the diode has VD= 0.75V at ID = 1.5mA, calculate both the AC and DC voltage across the diode (v.) when / = 1mA, R₁ 50092, and vs = 100cos(10ft). Assume the capacitors are very large. = +₁₁ R₂ w 15 ▷ |11
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- Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLLSurface barrier diodes have a lower noise figure in high frequencies True False The capacitance of the Varactor diode increases with an increase in reverse bias voltage True False The dark current is a current that will exist with no applied illumination True False The lifetime of LCDs is longer than that of LEDs True False The liquid-crystal display (LCD) has the distinct advantage of having a lower power requirement than the LED (light emitting diodes) True FalseSPECS: For the following circuit, both sources are equal, they supply the input voltage Vin, withfunction Vin = 15 sin (ωt) V, a frequency of 60 Hz.These sources connect to a set of diodes that behave ideally as shown. in the figure. Both resistors R1 and R2 are 2.2 kΩ. CURCUIT: The output voltage VA (observe the pin from which it is measured) as a functionmathematical input voltage Vin. Plot the curves of Vin and VA on different graphs.
- Calculate the capacitance for a p-n junction when a reverse bias with 3V is applied at T=350K. Assume that NA=1×1020/m³, Np= 1×1018, n¡ = 1×1015/m³, ɛ= 11.7, and the cross section area is 1µm.Since C = 47μF, RL = 1kW and Vs = 90 cos2000t in the given circuit, find the diode current in the one-time filling time range of the capacitancQ1 (True/False): A) The current through the capacitor is inversely proportional to the derivative of the voltage across it: Is it true or false? B) In a typical electronic circuit the capacitor blocks DC and couplest he AC to the next stage of the circuit: Is it true or false? C) The more the value of the stray capacitance , the better it is: Is it true or false?
- Solve for the (and refer to the image): - individual voltages - individual charges wherein Equivalent capacitance of the capacitor is 0.76 F Charge stored in the circuit is 45.50 C. And V= 60VShow symbolically that the value of the voltage for the charging capacitor at t = RC is equal to 63.2% of the input voltage.Using the 0.68 kilo Ohms, 3.3mH inductance, and 5V source, compute for the theoretical voltages across the resistor and inductor for 10 kHz and 60 kHz. Show the step-by-step computation. Express the voltages in polar form.
- For the circuit diagram given , what is the charge on the 300 μF capacitor?A series L–R–C circuit has a supply input of 5 volts. Given that inductance, L = 5 mH, resistance, R = 75ohm and capacitance, C = 0.2µF, determine (c) the frequency at which the p.d. across the capacitance is a maximum and (d) the value of the maximum voltage across the capacitor. answer: c) 4741 hz, d)10.85voltsc. If a 480 ?F capacitor is added to the output in the figure, calculate the following:i. Vripple.ii. Average voltage, Vdc.iii. Sketch a graph of the input and output voltage against time of the capacitor. (Built-in-potential of silicon = 0.7V)