Complex Digital Control Systems

AMPLIFIER amplitude analog application audio automatic bandwidth binary bytes capstan capstan servo characteristic equation chip circuit closed-loop color television color videotape recorder compensation complex COMPOSITE VIDEO control-track decoder DELAY demodulator device digital control systems digital filters equation error feedback control system frequency function headwheel horizontal hysteresis input Intel Corporation interface limit-cycle line-lock linear logic loop MATC memory MHz/sec microcomputer microcomputer systems microprocessor minicomputer minimize modulation monochrome motor MULTIPLEXER multirate nonlinear NTSC open-loop operation optimal output performance-index phase PHASE DETECTOR phase-lock phase-lock loop pix-lock PL/M playback pull-in pulse pulse-train pulse-transfer-function Q-CVTR quadruplex quantization REGISTER root-locus sampled-data control systems sampled-data feedback control sampling servo shown in Fig stability state-variables subcarrier subsystem switch-lock switching SYNC synchronous tape technique tion tonewheel transfer-function unit-circle variables vertical voltage waveform z-transform zero