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Q. Explain Cathode-ray tube?
While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work similarly to commercial television sets, whereas graphics display devices use different technologies to achieve extremely high resolution. A CRT video signal has only two levels, with a 0 level causing a dark spot and a 1 level causing a bright spot. The appropriate combination of 1s and 0s displays data on a CRT screen, with each character displayed by dot-matrix displays, typically in 5 × 7or7 × 9 display fonts.
Q. The full-wave rectified waveform, approximated by the first three terms of its Fourier series, is given by v (ωt) = V m sin (ωt/2), for 0 ≤ ωt ≤ 2π, and where V m = 100
Q. Sampling of digital communication systems? Sampling of an analog signal makes it discrete in time. A bandlimited signal can be recovered exactly from its samples, taken peri
how to measure
Q. Write notes on clamping ? When a signal drives an open-ended capacitor the average voltage level on the output terminal of the capacitor is determined by the initial charge
what is peak inverse voltage?
Energy band: the energy band picture for Ii an- type, and Iii ap - type semiconductor Indicate the position for, the donor and acceptor levels. Sol.(a)
# complete working of thermal transducers
Ask question #Minimum 10] In the system shown in Figure 4-1, the rated voltage of the line is 110kv, and the conductors are all LGJ-120 type. The parameters are: r1=0.21O/km,x1=0
importance of dummy coils and equalizer connections
Q. Explain the working of a photo - transistor with a sketch A second optoelectronic device that conducts current when exposed to light is the PHOTOTRANSISTOR. A phototransisto
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