ADF4107BRU

PLL频率合成器 PLL Frequency Synthesizer

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