PLLs with Int VCO
34.375 to 4400 MHz


  • GSM1800 Grade
  • Dual Differential Outputs
  • Output frequency range: 34.375MHz to 4400MHz (continuous range)
  • RF Output Divide by 1, 2, 4, 8, 16, 32, 64
  • Open Drain Outputs
  • Fractional-N synthesizer (also supports Integer-N mode)
  • 16-bit integer and 12-bit fractional
    (16-bit fractional when using the extended registers)
  • 3- or 4-wire SPI interface (compatible with 3.3V and 1.8V)
  • Single 3.3V supply
  • Logic compatibility: 1.8V
  • Programmable output power level: -4dBm to +5dBm
    (up to +7 when using the extended registers)
  • Mute Function
  • Ultra low PN for 1.1GHz LO: -143dBc/Hz @ 1MHz Offset, (typical)
  • Lock Detect Indicators
  • Input Reference frequency: 5MHz to 310MHz
  • Power Consumption: 380mW (typical) (RF_OUTB disabled)
  • 32-Lead, 5×5 VFQFN package on an 0609 X-MWblock Format
  • Automatic VCO band selection (Autocal feature)
  • -40°C to +85°C ambient operating temperature
  • Lead-free (RoHS 6) packaging


  • FMCW radars
  • Communications test equipment
  • Communications infrastructure

Related Links

  • MFG Datasheet:

General Description

The XM-A7F4-0609D is an Integer-N / Fractional-N PLL Frequency Synthesizer with integrated VCO featuring IDT’s 8V97053L (GSM1800 Grade) provided as a drop-in on an 0609 format.  The drop-in is a complete circuit with configurable loop amplifier.  A compatible Bias/Control board provides for easy prototype control using our X-MWcontroller.

The XM-A7F4-0609D PLL block is designed to integrate with other X-MWblocks.   Use a compatible Quartz based OCXO reference (like the XM-A2L3-0809D) to drive the PLL to improve the close-in phase noise and stability.

The XM-A7F4-0609D can also be purchased in a connectorized Housing XM-A7F4-0609C and can easily be integrated with other X-MWblock drop-ins to build IMAs in standard X-MWblock Housings or Custom Housings.

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