AM/FM Digital Phase-Locked Loop Frequency Synthesizer

General Description\nThe 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 de ■ Uses inexpensive 4 MHz reference crystal\n■ FIN capability greater than 120 MHz allows direct synthesis at FM frequencies\n■ FM resolution of 25 kHz allows usage of 10.7 MHz ceramic filter distribution\n■ Serial data entry for simplified control\n■ 50 Hz output for ‘‘time-of-day’’ reference driven;

Phase-Locked Loop Frequency Synthesizer

文件：164.84 Kbytes Page：8 Pages

Phase-Locked Loop Frequency Synthesizer

文件：164.84 Kbytes Page：8 Pages

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