Millimeter-Wave Frequency Extension for Vector Network Analyzers
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Frequency range extension for accurate millimeter-wave measurements
The ability to extend the frequency range of a vector network analyzer (VNA) into the millimeter-wave bands is critical to ensure the accurate characterization of high-frequency, high-performance devices. Millimeter band frequencies are increasingly being used in applications in aerospace/defense, communications, research, antenna measurement, foreign object detection and others.
With frequency extension solutions from Farran Technology you can increase the capabilities of your vector network analyzer in order to characterize accurately your millimeter-wave devices.
Millimeter-wave solutions from Farran Technology can increase the frequency range of a network analyzer to 75 GHz (V-band), 90 GHz (E-band), 110 GHz (W-band), 170 GHz (D-band), 220 GHz (G-band) or 325 GHz (Y-band). The frequency extenders are fully compatible with the Keysight Technologies PNA and PNA-X family of vector network analyzers.
A complete solution comprises a frequency extension head, a variable attenuator for output power regulation, a controller, cables and a calibration kit. The frequency extension head consists of a dual-directional coupler, a frequency multiplier for up conversion and two harmonic mixers for reference and test signal probing.
mm-Wave Frequency Extension for Vector Network Analyzers
The controller ensures full compatibility with the Keysight PNA and PNA-X network analyzers. It controls the routing, switching and amplification of RF and IF signals and provides the communications with the vector network analyzer to enable full two-port S-parameter measurements to be made through the heads.
One of the critical parameters when utilizing a coupler, especially when measuring reflection coefficients, is its directivity, which defines how well the coupler isolates the forward and reverse signals. The couplers used in the Farran Technology frequency extension heads offer a minimum directivity of 40 dB (45 dB typical) from 50 to 110 GHz, 35 dB (40 dB typical) from 110 GHz to 170 GHz, 30 dB (35 dB typical) from 170 GHz to 220 GHz, and 25dB (30dB typical) from 220 GHz to 325 GHz. The extension heads also provide high dynamic range of up to >100 dB (>80 dB for 100 GHz to 170 GHz and >70 dB for 170 GHz to 325 GHz).
With a frequency extension solution from Farran Technology you can extend the performance of Keysight PNA or PNA-X vector network analyzers to allow you to characterize accurately your highest frequency, highest performance millimeter-wave devices.