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HP 8702D network analyzer 20GHz
2013-05-26 18:00:00

The HP Agilent 8720D Network Analyzer features a frequency range of 50 MHz to 20 GHz, a drastically faster processor compared to earlier versions, a built-in fast sweeping synthesized source, an integrated solid-state switching S-Parameter Test Set, Vector Receiver, Error Correction and the tuned receivers provide up to 105 dB dynamic range. The HP 8720D allows fast tests of microwave linear and nonlinear devices in both coaxial and non coaxial environments, such as waveguide, in-fixture, and on-wafer. With a relatively small foot-print compared to earlier network analyzers, the 8720D is perfect for cost-conscious engineers, short on bench space. It is perfect for R&D, manufacturing, or quality assurance.

The "Fast" processor is seven times faster than earlier versions of the 8720 series. The fully synthesized source (in both swept or stepped modes) offers stability and accuracy within 10 ppm (typical). Frequency resolution is 1 Hz standard for accurate measurements of narrow band or long-delay devices. Two independent channels can measure and display all four S-Parameters simultaneously. Reflection and transmission measurements can be displayed in a variety of formats, including magnitude, phase, group delay, SWR, and Smith Charts. # Built-in vector accuracy enhancement provides excellent error corrected accuracy in common coaxial connectors, A user kit supports user-defined standards, and allows calibration in waveguide. Adapter removal calibration provides greater accuracy for measurements of non-insertable devices, such as devices with same sex connectors on both ports or different connector types on ports 1 and 2.

The HP 8720D offers powerful features for active devices. With +5 dBm at the test ports, it has plenty of power for testing amplifiers. For sensitive small signal devices, the built-in step attenuator can cut power back to -70 dBm. Absolute power levels can be set accurately anywhere in the system, using the power meter calibration function. Power sweep capability and power resolution of 0.01 dB make it easy to test the gain-compression characteristics of active components. A sweep mode controls power during retrace for safe testing of AGC amplifiers.

For On-Wafer device characterization, use the TRL/LRM calibration to minimize fixture errors for measuring noncoaxial devices, such as microstrip. # Productivity enhancements of the 8720D include a swept-list mode that reduces measurement time by allowing you to choose the frequencies you want to test, and to set independent IF bandwidths and power levels in each frequency range. Fast two-port tuning mode speeds up 12-term error correction by allowing the user to specify the number of forward sweeps to take before updating the reverse sweep. Users can automate repeated measurements with test sequencing. You can create test sequences with a single keystroke. And additional features include limit testing for consistent pass/fail results, up to 5 markers per channel, serial and parallel interfaces for connecting to printers, a VGA compatible output for adding a larger external monitor, 2 MB of internal non-volatile memory for storing up to 31 test configs.

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