DESCRIPTION

The SA7025 is a monolithic low power, high performance dual frequency synthesizer fabricated in QUBiC BiCMOS technology.

FEATURES

• Operation up to 1.04GHz

• Fast locking by “Fractional-N” divider

• Auxiliary synthesizer

• Digital phase comparator with proportional and integral charge pump output

• High speed serial input

• Low power consumption

• Programmable charge pump currents

• Supply voltage range 2.7 to 5.5V

• Excellent input sensitivity: VRF_IN = –20dBm

APPLICATIONS

• NADC (North American Digital Cellular)

• PDC (Personal Digital Cellular)

• Cellular radio

• Spread-spectrum receivers