Visual Display Units (VDUs): Large arrays of characters can be built up using alphanumeric devices, already discussed, but the number of connections and the complexity of the drive-logic circuitry increase…
Internal Architecture of 8275 CRT Controller: The 8275 programmable CRT controller is a single-chip device that generates all the signals which are used for interfacing a microprocessor system. The main…
Various CRT Connections and Controls in CRO Panel: Figure 7.16 shows various controls and Typical CRT Connections. The following controls are available on CRO panel. Intensity: It controls the magnitude…
Vertical Deflection Circuit in TV: The Vertical Deflection Circuit in TV include the vertical oscillator and amplifier for vertical scanning at 60 Hz and a similar horizontal arrangement for scanning…
Symmetrical Optimum: Symmetrical Optimum - Sometimes automatic control systems contain integrating also besides first order delay elements, proportional elements and deadzones. Such a system when compensated on the basis of magnitude…
Relative Stability from the Nyquist Plot: Relative Stability from the Nyquist Plot - The considerations discussed above provide information about the absolute stability of the system, i.e., whether the system…
Structure of Power System of Energy Electric System: An Structure of Power System, even the smallest one, constitutes an electric network of vast complexity. The one factor that determines the…
Measuring Amplitude Modulation Using CRO: The CRO is widely used as an Measuring Amplitude Modulation. It presents the waveform for visual monitoring and is fairly accurate in measurements of modulation…