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SA7025 - Low-voltage 1GHz fractional-N synthesizer

General Description

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

Key Features

  • Operation up to 1.04GHz.
  • Fast locking by “Fractional-N” divider.
  • Auxiliary synthesizer.
  • Digital phase comparator with proportional and integral charge pump output SR00600.
  • 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.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

Part Number Description
SA702 Divide by: 64/65/72 triple modulus low power ECL prescaler
SA7026 1.3GHz low voltage fractional-N dual frequency synthesizer
SA701 Divide by: 128/129-64/65 dual modulus low power ECL prescaler
SA7016 1.3GHz low voltage fractional-N synthesizer
SA741C General purpose operational amplifier

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS SA7025 Low-voltage 1GHz fractional-N synthesizer Product specification IC17 Data Handbook 1996 Aug 6 Philips Semiconductors Philips Semiconductors Product specification 1GHz low-voltage Fractional-N synthesizer SA7025 DESCRIPTION The SA7025 is a monolithic low power, high performance dual frequency synthesizer fabricated in QUBiC BiCMOS technology. Featuring Fractional-N division with selectable modulo 5 or 8 implemented in the Main synthesizer to allow the phase detector comparison frequency to be five or eight times the channel spacing. This feature reduces the overall division ratio yielding a lower noise floor and faster channel switching. The phase detectors and charge pumps are designed to achieve phase detector comparison frequencies up to 5MHz.