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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
Q. Find the current flow through a resistor ? Consider the circuit shown in Figure (a). Reduce the portion of the circuit to the left of terminals a-b to (a) a Thévenin equival
Demodulation of SSB signals also requires the use of a phase-coherent reference. Figure shows the general configuration to demodulate the SSBsignal.Asmall carrier component, which
RIM is Read Interrupt Mask. Used to ensure whether the interrupt is Masked or not. SIM is Set Interrupt Mask. Used to mask the hardware interrupts.
Explain Polymers and their applications. Polymeric materials or plastics contain a large group of organo or organic metallic high molecules compound. The common properties of s
What is resistivity? Resistivity of a material may be explained as the resistance of the material having unit length and also unit cross sectional area. Unit of it is ohm-m.
An interrupt which can be never be turned off (ie. disabled) is called as Non-Maskable interrupt.
Q. Explain the ideal drain characteristics of the JFET? The JFET consists of a thin layer of n-type material with two ohmic contacts, the source S and the drain D ,along with t
design a 32:1 multiplexer using two 16:1 multiplexer
Q. Write a short note on types of enclosure of machine. Sol. The various types of d.c. machine : (1) Magnetic frame or Yoke (2)
a. The antenna current of an AM broadcast transmitter, modulated to depth of 40% by an audio sine wave is 11 amp. It enhances to 12 amp as a result of simultaneous modulation by an
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