ADF4106BRUZ-RL Integrated Circuits (ICs)

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1. DESCRIPTION

The ADF4106BRUZ-RL frequency synthesizer can be used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It consists of a low noise, digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider, programmable A counter and B counter, and a dual-modulus prescaler (P/P + 1). The A (6-bit) counter and B (13-bit) counter, 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. A complete phase-locked loop (PLL) can be implemented if the synthesizer is used with an external loop filter and voltage controlled oscillator (VCO). Its very high bandwidth means that frequency doublers can be eliminated in many high frequency systems, simplifying system architecture and reducing cost.

2. FEATURES

    1. 6.0 GHz bandwidth

    2. 2.7 V to 3.3 V power supply

    3. Separate charge pump supply (VP) allows extended tuning voltage in 3 V systems

    4. Programmable dual-modulus prescaler 8/9, 16/17, 32/33, 64/65

    5. Programmable charge pump currents

    6. Programmable antibacklash pulse width

    7. 3-wire serial interface

    8. Analog and digital lock detect

    9. Hardware and software power-down mode

3. APPLICATIONS

    1. Broadband wireless access

    2. Satellite systems

    3. Instrumentation

    4. Wireless LANS

    5. Base stations for wireless radios