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a. Determine how color sync burst and H deflection sync vary in amplitude and frequency. Also explain the difference in timing among the 3.58 MHz color sync burst and 3.58 MHz chrominance signal.
b. Why is the chrominance signal transmitted with the subcarrier suppressed?
Explain junction transistors (npn and pnp). Junction Transistor: This transistor consists of two p-n junctions combined in one crystal as demonstrated in figure below.
Q. What are the advantages of an RC coupling over a direct coupling? Draw a basic Rc coupling network and explain. Figure -RC-coupled transistor amplifier The network
Write explanatory notes on Paging. The memory paging mechanism located inside the 80386 and above permits any physical memory location to be allocated to any linear address. Th
Q. Signals and spectral analysis? Figure shows the functional block diagram of a signal-processing system. The information source may be a speech (voice), an image (picture), o
At the transmitter in a standard AM system, P f = 50 W. In the receiver (S 0 /N 0 ) AM = 250 when (S i /N i ) AM = 3000. Find the transmitter's unmodulated carrier power and t
Question 1 State and Explain Kirchhoff's Voltage and Current Law Question 2 State and prove Thevenine's Theorem Question 3 What is a filter? Design a Constant -K band Pa
Explain the function of the pins PSEN and EA of 8051. PSEN: PSEN stands for program store enable. In 8051 based system in which an external ROM holds the program code, this pin
Questions: a) Give a brief description of the program counter and the data pointer, including their differences. b) Briefly describe what are Byte-Level logical operations
Q. What do you mean by Continuous signals? Continuous signals are described by time functionswhich are defined for all values of t (a continuous variable). Commercial broadcast
COULD U INTERDUCE AN OSILATOR THAT MAKES TRIANGULAR AND SIN WAVE?
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