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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?
Draw the hysteresis loop for a soft magnetic material and compare it with the hysteresis loop of hard magnetic material. Give two examples of each. Soft and hard magnetic mate
Q. Working of Field-effect transistors? Field-effect transistors (FETs) may be classified as JFETs (junction field-effect transistors), depletion MOSFETs (metal-oxide-semicondu
Merits and Demerits of Collector-to-base bias: Merits: In this type of circuit the circuit stabilizes the operating point against differences in temperature and β (that i
Some wire of cross-sectional area 1mm 2 has a resistance of 20Ω. Determine: a) The resistance of a wire of the same length and material if the cross-sectional area is 4 mm 2 .
Find the current flow through each resistor using mesh analysis for the circuit below. Step : Determine the number of common nodes and reference node within the network
1. Derive the necessary formula/method to determine the effective value or RMS of a triangular wave. Use either a similar method to the class example of the RMS determination
A burglar alarm system is controlled by a microprocessor system. The system has three independent circuit each consisting of 7 passive infra red sensors. The controller can be prog
Q. What do you mean by Inaccessible area coverage? Marshy lands, hilly areas, etc where ground surveys could be very difficult, remote sensing technique can provide reliable an
A balanced star-connected load is connected across a three phase 450V 50 Hz AC supply. Each load element has an impedance of 5+j12 Ω. Calculate: (i) The power factor of the
1. Introduction: Theory: Amplitude is defined as the magnitude of the change in the oscillating variable with each oscillation within an oscillating system. It is calculated as
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