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Keysight (Agilent/HP) 8722ET Transmission/Reflection Vector Network Analyzer

Keysight (Agilent/HP) 8722ET Transmission/Reflection Vector Network Analyzer

Product Documentation

Description

The Keysight (Agilent/HP) 8722ET Transmission/Reflection Vector Network Analyzer integrates a microwave source, tuned-receiver, and transmission/reflection or S-parameter test set into a single, cost-effective instrument. To complete a microwave measurement system, select the desired network analyzer options, test port cables, and calibration kits. Also, additional measurement accessories may be selected.

System Capabilities of the Keysight (Agilent/HP) 8722ET:

  • Four display channels available: Two primary (independent) and two auxiliary (dependent) measurement channels available
  • Parameters:
    • S11: Forward reflection (input match)
    • S21: Forward transmission (insertion loss/gain/phase)
    • S12: Reverse transmission (reverse isolation)
    • S22: Reverse reflection (output match)
    • A, B, R: Receiver signal level
    • A/R, B/R, A/B: Ratioed receiver signals
  • Parameter conversion:
    • Z – Reflection: equivalent parallel impedance
    • Y – Reflection: equivalent parallel admittance
    • Z – Transmission: equivalent series impedance
    • Y – Transmission: equivalent series admittance
    • 1/S: complex inverse of S-parameters
  • Display Formats:
    • Cartesian Log/linear magnitude, phase, group delay, SWR, real, and imaginary.
    • Smith chart Log/linear magnitude and phase, R+jX, G+jB, or real/imaginary markers.
    • Polar Linear/log magnitude, phase, or real and imaginary markers.
  • Markers: Data markers, marker control, delta markers, polar format markers, smith chart format markers, search, bandwidth, statistics, tracking, marker-to functions
  • Group Delay Characteristics: Aperture, Range, Accuracy
  • Internal Source control: Sweep limits, Sweep type, Fast swept list, Measured number of points per sweep, source coupling, chop/alternative sweeps, Sweep time, Auto sweep time, Sweep Trigger, Power, Power meter calibration
  • Data Accuracy Enhancement – measurement calibration
  • Calibration types available: Frequency response, response and isolation, Enhanced response calibration, One-port calibration, Two-port calibration, TRL/LRM calibration, Interpolated error correction, Set Zo, Velocity Factory, Electrical Delay, Reference plane extension, Select default calibration kit, segmented calibration, Receiver power calibration
  • Data Averaging:
    • IF bandwidth: selectable from 6 kHz to 10 Hz to reduce the effective displayed noise floor of the instrument.
    • Weighted sweep-to-sweep averaging: This function averages vector data on each successive sweep: where A(n) is the current average, S(n) is the current input signal and F is the averaging factor. Averaging factors range from 1 to 999.
    • Trace Smoothing: Similar to video filtering, this function computes the moving average of adjacent data points. The smoothing aperture defines the trace width (number
      of points) to be averaged, and ranges from 0.25% to 20% of the trace width. This function also sets the aperture for group delay measurements.

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Configurable Options for the Keysight (Agilent/HP) 8722ET:

S-parameter analyzer options – Some ES options cannot be ordered with other options.

  • 007 mechanical transfer switch: replaces the solidstate transfer switch with a mechanical transfer switch. Increases test port power and dynamic range by 5 dB.
  • 010 time-domain capability: allows time-domain measurements.
  • 012 direct sampler access: configures the test set with direct access to A and B sampler receiver inputs. Operates as a standard instrument with the jumpers installed.
  • 085 high-power S-parameter test set modification: deletes bias tees and adds a mechanical transfer switch and internal attenuators. Allows insertion of an amplifier before the  transfer switch and insertion of isolators in the measurement configuration. Includes direct sampler access (Option 012).
  • 089 frequency offset mode: modifies the test set and firmware. Provides mixer measurement capability, allowing a receiver frequency offset from the source.
  • 1D5 high-stability frequency reference: replaces standard frequency reference with a higher stability unit.
  • 400 adds fourth sampler and TRL calibration firmware: replaces the transfer switch with a solid-state switch/splitter.

Accessories for the Keysight (Agilent/HP) 8722ET:

  • Connector Types: 7 mm, K-connector (2.92 mm), Type-N, 3.5 mm(SMA-compatible), 2.4 mm coaxial, 7-16, WR-90(X Band), WR-62 (P Band), WR-42 (K Band), WR-28 (R Band)
  • Calibration Kits
    • Economy, includes:
      • open standards (male and female)
      • short standards (male and female)
      • fixed-termination standards (male and female)
      • in-series adapters
    • Standard, includes the devices in the economy kit and adds:
      • sliding loads
      • connector gages
    • Precision, includes the devices in the economy kit and adds:
      • 50 ohm airline for TRL calibration
      • TRL adapters
      • connector tools
  • Waveguide measurement kits include:
    • waveguide-to-coax adapters (X, P, K)
    • precision waveguide section
    • flush short circuit
    • fixed terminations
    • straight section
  • Electronic calibration (Agilent 85097A interface kit and electronic calibration kit required):
    • highband ECal module
    • torque wrench
    • optional adapters
    • optional lowband ECal module

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