Understanding Symbols. Design Note 24


COMPONENTSAn Electronics Hobbyist needs to know the symbols of the electronic components in the Circuit diagram. Before starting the construction of a circuit, it is necessary to study the circuit diagram first. It has a number of symbols with the values marked. There are different symbols for representing the components. So it is necessary to study the symbols generally appearing in circuits.
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Familiarize Electronic Components Part I – Resistor and Capacitor


Electronics is a Fun and Hobby and you can try a circuit if you have some basic knowledge in electronics. Circuit making is an interesting hobby and it will improve your memory; sharpness and more over you will utilize the spare time to learn more. The Articles posted here in series will help you to understand the working of electronic components. Component identification tips, Pin assignment of components etc will also be included. Start electronics and enjoy its beauty.

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Excellent Op Amps


CA 3130 and CA 3140 are excellent Operational Amplifiers for Signal detection circuits. The most important characteristics of these Op Amps are low input current requirements and the zero output in the off state. Some of the general purpose Op Amps will not give a zero output in the off state which will affect the working of the remaining circuitry. More over the input current requirement is also high in most Op Amps so that these devices cannot be used in circuits based on Photo diodes and Infrared sensors.
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