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Discuss the operating principle of PLL and explain its use as frequency translator.
written 9.0 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Mumbai University > Computer Engineering > Sem 3 > Electronic Circuits and Communication Fundamentals

Marks: 10 Marfrks

Year: Dec 2015
electronic circuits and communication
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written 9.0 years ago by gravatar for teamques10 teamques10 ★ 70k

Operating principles of PLL

Fig. shows the block diagram of PLL. It consists of

  1. Phase detector
  2. Low pass filter
  3. Error amplifier
  4. Voltage Controlled Oscillator (VCO)

The phase detector compares the input frequency $f_s$ with the feedback frequency $f_o$ and generates an output signal which is a function of the difference …

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