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Advantages and Disadvantages of LCD Advantages: 1.        Low power consumption 2.        Small voltage requirement 3.        They are economical 4.        Good contrast in display Disadvantages: 1.        Sometimes the output of the LCD is not visible clearly 2.        They are not very reliable 3.        Slow operation 4.        occupies large area 5.        They are very sensitive, damage by over voltage or over current 6.        They have limited temperature range 7.        In LCD a.c sequence wave drive of frequency less than 50 Hz is employed. Applications of LCD 1.        Display unit in calculators 2.    ...

Ultrasonic Sensor Applications in Automation industry There are many numbers of applications where sensors can be utilized, and as you have seen throughout this book there are a number of sensors to choose from. Choosing the right sensor can be confusing and takes careful thought and planning. Often, more than one sensor will do the job. As the application becomes more complex the more difficult it is to choose the right sensor for a given application. The following application guide will help you find the right sensor for the right application.  Ultrasonic Sensor Applications in Automation industry  

Advantages and disadvantages of RC Coupled Amplifier Advantages: 1.        The frequency response is excellent. 2.        This circuit is very compact and extremely light. 3.        Cost is low because it employ resistors and capacitors which are cheap. Disadvantages: 1.    Low voltage and power gain. 2.    They have the tendency to become noisy with age. 3.    Impedance matching is poor. It is because the output impedance of RC coupled amplifier. Applications of RC Coupled Amplifier The RC coupled amplifier have excellent audio fidelity over a wide range of frequency. Therefore, they are widely used as voltage amplifiers (preamplifiers) Ex: in public address system.

Applications of Operational Amplifiers The operational amplifier can be used for several applications few of them are: 1.        Inverter 2.        Sign changer 3.        Buffer 4.        Summer 5.        Integrator 6.        Differentiator 7.        Log and antilog amplifiers 8.        Filters 9.        D.C differential amplifier 10.     Comparators 11.     Instrumentation amplifier 12.     Zero crossing detector 13.     Multivibrators 14.     Pulse generators 15.     Rectifiers etc.