PMB2304

· Low operating current consumption (typically 3.5 mA)
· High input sensitivity, high input frequencies (220 MHz)
· Extremely fast phase detector without dead zone
· Linearization of the phase detector output by current sources
· Synchronous programming of the counters (N-, N/A-, R-counters) and system parameters
· Fast modulus switchover for 65-MHz operation
· Switchable modulus trigger edge
·  Serial control (3-wire bus: data, clock, enable) for fast programming (fmax ~ 10 MHz)
·  Large dividing ratios for small channel spacing A counter 0 to 127 N counter 3 to 16.383 R counter 3 to 65.535
·  Serial control (3-wire bus: data, clock, enable) for fast programming (fmax ~ 10 MHz)
·  Switchable polarity and phase detector current programmable
·  2 Multifunction outputs frn, fvn outputs of the R- and N/A- counters for test
·  Output port (e.g. for standby of the prescaler)
·  External current setting for PD output
·  Lock detect output with quasidigital lock detect

The PMB 2304R PLL is a high speed CMOS IC, especially designed for use in battery powered radio equipment and mobile telephones and serves as a functional replacement of the PMB 2307R. The primary applications of PMB2304 are in digital cellular and cordless systems e.g. GSM 900/1800/1900 and DECT systems. The wide range of dividing ratios also allows application in analog systems.