ADL5960
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ADL5960

10 MHz to 20 GHz Integrated Vector Network Analyzer Front End

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 3
1ku List Price Starting From $117.70
Features
  • Wideband integrated bidirectional bridge
    • Raw directivity: 24.1 dB at 1 GHz, 12.8 dB at 18 GHz
    • Low insertion loss: 1.1 dB at 1 GHz, 1.9 dB at 18 GHz
    • Return loss: >12 dB typical
  • SPI configurable LO interface
    • Divide by 2; multiply by 1, 2, or 4
    • Offset LO interface enables drive with fRF = fLO
    • Single-ended or differential drive
    • SYNC function—synchronization across multiple devices
  • High dynamic range wideband IF signal path
    • SPI-programmable IF bandwidth from 1 MHz to 100 MHz
    • SPI-programmable IF gain, 6 dB step size
    • Externally adjustable output common-mode level
  • 5-bit SPI readable temperature sensor
  • Low power shutdown mode
  • 3 mm × 4 mm, 26-lead LGA
Additional Details
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The ADL5960 is a wideband, small form factor vector network analyzer front end consisting of a resistive bidirectional bridge, downconversion mixers, programmable IF amplifiers and filters, and a highly flexible local oscillator (LO) interface. The bridge provides >14 dB of directivity up to 17 GHz. The primary transmission line from RFIN to RFOUT is wideband matched to 50 Ω with only 1.1 dB loss at low frequencies, increasing to 1.8 dB loss at 20 GHz.

The ADL5960 supports several different LO interface configurations that simplify the clocking design of a vector network analyzer (VNA) solution as well as the interfacing of the device to an analog-to-digital converter (ADC). The frequency divider and multipliers in the LO interface enable measurement sweeps beyond the operating frequency range of the LO source, enabling operation over the full 20 GHz frequency range of the ADL5960 using a 6 GHz synthesizer. The IF frequency offset mixer, driven through the offset interface formed by the OFP and OFM pins, enables further simplification by allowing the swept RF and LO interfaces to share the same frequency source. The frequency of the IF output signals is then determined by the low-frequency source driving the OFP/OFM interface. When this interface is driven at the ADC sample frequency with the divide by 4 enabled, it automatically centers the IF output signal in the first Nyquist zone.

The IF filters with programmable bandwidth and IF amplifiers with individually programmable gain enable simultaneous dynamic range optimization of the IF output signals of the forward channel (IFFP, IFFM) and reverse channel (IFRP, IFRM). The IF amplifiers have an adjustable output common-mode level, sufficient drive capability, and wide output voltage swing to enable direct interfacing to a wide range of ADCs.

All configurations and functions in the ADL5960 are fully programmable through a 3-wire serial peripheral interface (SPI). The ADL5960 is offered in a 3 mm × 4 mm body and 0.68 mm package height, 26-lead land grid array (LGA).

APPLICATIONS

  • Broadband, multiport vector network analyzers
  • S parameter magnitude and phase measurement
  • Inline RF power measurement
  • Automated test equipment
  • Reflectometers
  • Materials analysis
Part Models 3
1ku List Price Starting From $117.70

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADL5960ACCZ
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  • HTML
ADL5960ACCZ-R2
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ADL5960ACCZ-R7
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Evaluation Kit

Evaluation Kits 1

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EVAL-ADL5960

Evaluating the ADL5960 10 MHz to 20 GHz Integrated Vector Network Analyzer Front End

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EVAL-ADL5960

Evaluating the ADL5960 10 MHz to 20 GHz Integrated Vector Network Analyzer Front End

Evaluating the ADL5960 10 MHz to 20 GHz Integrated Vector Network Analyzer Front End

Features and Benefits

  • Full featured evaluation board for the ADL5960
  • Integrated bidirectional bridge measures forward and reverse coupled signal
  • Product Detail

    The ADL5960-EVALZ allows evaluation of the ADL5960 vector network analyzer (VNA) front-end IC.

    The ADL5960 with integrated bridge derives inline incident and reflected power samples at up to 20 GHz, while maintaining low insertion loss, approximately 1 dB to 2 dB depending on frequency. Integrated mixers downconvert the incident and reflected samples to IF while preserving phase information. The serial peripheral interface (SPI) port provides access to programmable local oscillator (LO) and offset mixer versatility features, plus programmable IF gain and bandwidth.

    For optimal performance, the printed circuit board (PCB) RF transmission lines are 50 Ω controlled impedance on Rogers RO3003 low loss substrate material.

    For full details on the ADL5960, see the ADL5960 data sheet, which must be consulted in conjunction with the user guide when using the ADL5960-EVALZ.

    Tools & Simulations

    Tools & Simulations 1

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