RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. keyless entry systems popular on many new cars and trucks, and the A PLL consists of a reference oscillator, a phase detector, a loop filter. The PLL controls the phase of the output signal to be N times the phase of the reference Like all linear feedback control systems, PLLs have dynamic Typical requirement of lock up time is about 10 ms down to a single micro second order level. Multi-layer ceramic capacitor (MLCC) is commonly used in radio circuits. CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower With no signal input applied to the PLL system, the error voltage at the output of the. Nov 1, 1983 Radio tuning PLL frequency synthesizer. SAA1057 An in-lock counter detects when the system is in-lock. The digital phase microcomputer.