GENERAL DESCRIPTION
The ADF4107 frequency synthesizer can be used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. It consists of a low noise digital PFD (phase frequency detector), a precision charge pump, a programmable reference divider, programmable A and B counters, and a dual-modulus prescaler (P/P + 1). The A (6-bit) and B (13-bit) counters, in conjunction with the dual-modulus prescaler (P/P + 1), implement an N divider (N = BP + A). In addition, the 14-bit reference counter (R counter), allows selectable REFIN frequencies at the PFD input.

FEATURES
  7.0 GHz bandwidth
  2.7 V to 3.3 V power supply
  Separate charge pump supply (VP) allows extended tuning voltage in 3 V systems
  Programmable dual-modulus prescaler 8/9, 16/17, 32/33, 64/65
  Programmable charge pump currents
  Programmable antibacklash pulse width
  3-wire serial interface
  Analog and digital lock detect
  Hardware and software power-down mode

APPLICATIONS
  Broadband wireless access
  Satellite systems
  Instrumentation
  Wireless LANs
  Base stations for wireless radio