ECE Concepts
Tuesday, 5 July 2011
Difference between high level modulation and low level modulation.
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HIGH LEVEL MODULATION : parameter: 1. power level: modulation takes place at high modulation level. 2. types of amplifier: highly efficie...
Sunday, 3 July 2011
Difference between wideband frequency modulation and narrowband frequency modulation.
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WIDEBAND FM: Parameters : 1. modulation index : Greater than 1 2. maximum deviation: 75 kHz 3. range of modulating frequency: 30 Hz to 1...
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Saturday, 2 July 2011
What is the frequency of rotor emf?
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When the motor is stationary,rotor conductors are being cut by rotating flux at synchronous speed.therefore,the frequency of rotor curr...
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