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MB15A02 PLL Frequency Synthesizer

LOW POWER SERIAL INPUT PLL SYNTHESIZER WITH 1.1GHZ PRESCALER

The Fujitsu MB15A02, utilizing Bi-CMOS technology, is a single chip serial input PLL synthesizer with pulse-swallow function.
The MB15A02 contains a 1.1GHz two modulus prescaler that can select either a 64/65 or 128/129 divide ratio, control signal generator, 16-bit shift register, 15-bit latch, programmable reference divider (binary 14-bit programmable reference counter), 1-bit switch counter, phase comparator with phase reverse function, charge pump, crystal oscillator, 19-bit shift register, 18-bit latch, and programmable divider (binary 7-bit swallow counter and binary 11-bit programmable counter). It operates supply voltage of 5V typ. and achieves very low supply current of 7mA typ.

&127; High operating frequency: fIN MAX=1.1GHz (PIN MIN=–10dBm)
&127; Pulse swallow function: 64/65 or 128/129
&127; Low supply current: ICC=7mA typ.
&127; Serial input 18-bit programmable divider consisting of:
– Binary 7-bit swallow counter: 0 to 127
– Binary 11-bit programmable counter: 16 to 2,047
&127; Serial input 15-bit programmable reference divider consisting of:
– Binary 14-bit programmable reference counter: 6 to 16,383
– 1-bit switch counter (SW) sets divide ratio of prescaler
&127; Two types of phase detector output
– On-chip charge pump (Bipolar type)
– Output for external charge pump


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