DS8907 AM FM Digital Phase-Locked Loop Frequency Synthesizer July 1986 DS8907 AM FM Digital Phase-Locked Loop Frequency Synthesizer General Description The DS8907 is a PLL synthesizer designed specifically for use in AM FM radios It contains the reference oscillator a phase comparator a charge pump a 120 MHz ECL I2L dual modulus programmable divider and an 18-bit shift register latch for serial data entry The device is designed to operate with a serial data controller generating the necessary division codes for each frequency and logic state information for radio function inputs outputs The Colpitts reference oscillator for the PLL operates at 4 MHz A chain of dividers is used to generate ...

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)