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Q. Draw the complete circuit of a dual voltage source using 7805 and 7905.
A voltage regulator is a circuit that supplies a constant voltage regardless of changes in load currents. Although voltage regulators can be designed using op-amps, it is quicker and easy to use IC voltage regulators. Furthermore, IC voltage regulators are versatile and relatively inexpensive and are available with features such as a programmable output, current/voltage boosting, thermal shutdown and floating operation for high voltage applications. IC voltage regulators are of the following types
1. Fixed Output Voltage Regulators
a. Positive Voltage Regulators - IC 7800 Series
b. Negative Voltage Regulators - IC 7900 Series
2. Adjustable Output Voltage Regulators
a. Positive Voltage Regulators - IC LM317 Series
b. Negative Voltage Regulators - IC LM337 Series
Voltage regulators are commonly used for on-card regulation and laboratory-type power supplies.
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Metering Techniques The techniques of metering could be categorized depending upon the voltage at which consumers are fed as: 1. LT (Low Tension) Metering, and 2. HT (Hi
Difference between bootstrip sweep circuit and Miller sweep circuit
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A unity negative feedback control system has an open loop transfer function consisting of two poles, two zeros and a variable positive gain K. The zeros are located at -2 and -1, a
What are the modes used in display modes? 1. Left Entry mode In the left entry mode, the data is going into from the left side of the display unit. 2. Right Entry Mode
Q. Briefly explain about Transients in circuits? The total response of a system to an excitation that is suddenly applied or changed consists of the sum of the steady-state and
the electrical network show below
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