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Phase-Locked Loop Circuit Design by Dan H. Wolaver

Phase-Locked Loop Circuit Design Dan H. Wolaver ebook
Page: 266
Format: djvu
ISBN: 0136627439, 9780136627432
Publisher: Prentice Hall

Title, Design of a Large Tuning Range and Fully Differential Phase-locked Loop for Application of ADC Measurement. PLL is a kind of circuit which is widely used in modern communication systems and a variety of digital chips. One reason is the gradual replacement of analog with digital circuits, another factor is the degree to which microprocessors now create in software what had once required explicit, single-purpose circuits. PLL is a closed loop system designed to lock the output frequency and phase of to the frequency and phase off an input signal. As you can see in the circuit diagram this lm1800 fm stereo demodulator has a 100mA stereo indicator lamp driver. My senior design project for my Electrical Engineering degree is to build a discrete PLL that locks between 1kHz and 100kHz. For the purposes of use as a regulator of the transceiver operating frequency,. Negative feedback control system where the frequency of the output fout tracks fin and the rising edges of the input and output clocks quickly move toward alignment. Because of But unlike typical FM detectors and with reasonable care in PLL design, the oscillator control signal can be a near-perfect duplicate of the original modulating signal, suitable for high-fidelity music, scientific telemetry, video, and other demanding requirements. Other carrier-grade features include SONET-compatible jitter peaking (0.1dB max) and circuitry to minimise output clock phase transients during reference switching. The Phase Locked Loop is an important building block of linear systems. Everything must be made using discrete parts (no ICs, no op-amps).