Frequency Translator using PLL: The Frequency Translator means shifting the frequency of an oscillator by a small factor. Fig. 2.134 shows the block schematic for frequency translator using PLL. It consists of mixer, low pass…

AM Detection using PLL: AM Detection – A PLL can be used to demodulate AM signals as shown in the Fig. 2.133. The PLL is locked to the carrier frequency of the incoming AM signal.…

Frequency Shift Keying Demodulator Working (FSK): In digital data communication, binary data is transmitted by means of a carrier frequency. It uses two different carrier frequencies for logic 1 and logic 0 states of binary…

PLL FM Detector or Demodulator: The PLL can be very easily used as an FM detector or demodulator. Fig. 2.131 shows the PLL FM Detector or Demodulator Block Diagram. When the PLL is locked in…

Block Diagram of Frequency Synthesizer using PLL: The Block Diagram of Frequency Synthesizer using PLL that can produce a precise series of frequencies that are derived from a stable crystal controlled oscillator. The Fig. 2.130…

Frequency Multiplier using PLL 565: Fig. 2.128 shows the block diagram for a frequency multiplier using PLL 565. Here , a divide by N network is inserted between the VCO output (pin 4) and the…

IC 565 PLL | Pin Diagram | Block Diagram: IC 565 PLL is available in a 14 pin DIP package and 10 pin metal can package. Fig. 2.124 shows 14-pin package configuration for IC 565…

Phase Locked Loop Working Principle: A Phase Locked Loop Working is basically a closed loop system designed to lock the output frequency and phase to the frequency and phase of an input signal. It is…

Foldback Current Limiting Circuit: The disadvantage of constant current limit is relatively large power dissipation in the series pass transistor when the load terminals are shorted. Thus a large power rating transistor is required. The…