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The following four output displays of an oscilloscope (right hand side, below) show waveforms of a biased diode ac circuit. An example is illustrated on the left hand side. VIN is the yellow waveform (10 Vp-p), VOUT is the blue-green (aqua) waveform (the red is VIN - VOUT but leave that aside). Consider three other possibilities regarding the orientation of the diode and DC bias voltage source VB and match the circuit configuration with display. State any assumptions you make about the diode.
a. Sketch the waveform at points A and B of the circuit shown below. Assume the diode is ideal. The excitation voltage VT is a ± 5volt square wave at a frequency of 500Hz and with a mark space ratio of 1. Give one possible application for this circuit.
b. Sketch the waveform at points A and B of the circuit shown in figure 1. Assume the diode is ideal. The excitation voltage VT = 20 sin100pt. Give one possible application for this circuit.
c. A diode has a saturation current in reverse bias of 10-13 A. Calculate the current at room temperature if a forward bias of 0.65V is applied
Explain immediate data addressing mode (with examples) available in microprocessors. Immediate Mode: The operand given in immediate mode is the actual data itself.
Q. Consider the op-amp circuit shown in Figure and obtain expressions for the open-loop voltage gain at (a) low and (b) high frequencies. Also determine relations for the 3-dB poin
how to solve the circuit
We are given an M=32 pulse sequence of slow time data, collected with PRF = 10 kHz. We want to use a Cooley-Tukey radix 2 FFT algorithms to compute the Doppler spectrum of the dat
Currents induced in armature conductors of a d.c. generator are alternating. To make their flow unidirectional in the external circuit, we need a commutator. Moreover, these curren
1 diagram basic layout of a simple transformer
thermocouple
Q. Determine voltage and current gains for the CE BJT amplifier shown in Figure with the following parameters: R 1 = 30,000, R 2 = 9000 ,R C = 750 ,R E = 250 , R L = 1000
Q. Explain phase-shift keying? In PSK, the phase angle of a carrier is keyed between two values. When the values are separated by π radians, it is known as phase-reversal keyin
What is an USART? USART stands for universal synchronous/Asynchronous Receiver/ Transmitter. It is a programmable communication interface that can communicate by using either s
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