PMB2349 - Optimized RF/IF Dual PLL Frequency Synthesizer

Package The PMB 2349 is a RF/IF Dual-PLL frequency synthesizer implemented in Infineon’s high speed BiCMOS technology B6HFC.

The device contains two PLLs with integrated prescalers especially designed for use in battery powered radio equipment and mobile telephones.

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  Operation range 2.7 to 5.0 V Ultra low phase noise Ultra low spurious Faster lock-in times New bipolar power modes New programmable Reference Amplifier rent setting for PD outputs Dividing ratios: A counters: PLL1: 0 to 63 PLL2: 0 to 15 N counters: PLL1: 3 to 16,383 PLL2: 3 to 16,383 R counters 3 to 16,383 for PLL1 and PLL2
  Fast phase detectors and charge pump outputs without dead zone
  External or internal reference cur-
  Switchable polarity and programmable phase detector.