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Illustrate about the Digital televisions
Microprocessor would be used to control the below features, for instance:
- Automatically tuning into television stations
- allow digital signals to be decoded
- Since constantly monitoring signal strength (etc.) far better sound and picture quality result)
- allows interface with numerous devices
- In built diagnostics in case of faults
- Controls picture and sound quality (factory settings can be stored, etc.)
Kirchoff's Current Law The total current entering a node in a circuit is equal to the total current leaving that node. A Node is a junction between two or more components.
3-phase Bridge Inverter In 3-phase bridge inverter six thyristors an six diodes are used as shown in figure a capacitor at input terminal is connected so that the input volta
Q . Why CE Configuration is widely used in amplifier circuit? The main utility of a transistor lies in its ability to amplify weak signals. The transistor alone cannot perform
Q. Grade of Service In loss systems? Grade of Service : In loss systems, traffic carried by the network is normally lower than actual traffic offered to the network by subscri
Switching characteristics during turn on A positive gate pulse between gate and cathodeis sufficient to turn on a thyrisotr. In this period thyristor changes its stat
How is bias compensation in transistor is done using thermistors and sensistor
Q. Show television waveform? The television waveform representing one scan is illustrated in Figure. A blanking pulse with a duration of 0.18 of the horizontal - sweep period T
Q. (a) A balanced wye-connected load with per-phase impedance of 20 + j10 is connected to a balanced 415-V, three-phase supply through three conductors, each of which has a series
For the circuit of Fig: (i) using Kirchoff's Laws , find all the currents (ii) determine the voltage across each resistor and check that all loops comply with KVL (iii
Distribution Transformers 1. Augmentation/Addition of Distribution Transformers Distribution transformers have to be augmented by installing additional transformers or in
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