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of the pulsating output waveform is Motorola MC-4044 when driving its inter- proportional to the phase difference nal charge pump. Although the dead between The gain constant for the MC4044 /4344 phase detector is found by5. Eqn. 48. Since a type 2 system is required (phase coherent output) the loop transfer This phase-detector action is substantially the same as that of an MC4044 Phase -Detector, but the. MM74C74 is cheaper and uses less power. It is fast enough Application Note AN535/D or the MC4044 Data Sheet in the MECL Data Book DL122/D. The following examples show sample calculations for N = 2 and 20. The MCH/K12140 is a phase frequency detector intended for phase locked loop applications which require a minimum amount of phase and frequency