AN124 PDF 데이터시트 검색

INTEGRATED CIRCUITS AN124 External synchronization for the NE5561, 5568 1988 Dec Philips Semiconductors Philips Semiconductors Application note External synchronization for the NE5561, 5568 AN124 Synchronization of the 5561 can be accomplished by forcing the timing pin (Pin 5) above the 5.6V sawtooth limit comparator for a short time. +5.6V +1.1V Figure 1. This can be accomplished with a simple diode-coupled narrow pulse source with fairly low source impedance: 2 8.4V TIMIN