VIRGINIA Diodes Inc. www.virginiadiodes.com Vector Network Analyzer Extension Modules VDI’s VNA Extenders provide high performance frequency extension of vector network analyzers into the THz range. Models are currently available for coverage from 50GHz-1,100GHz, with additional bands under development. These modules combine high test port power and superb dynamic range to offer unparalleled performance. VDI’s VNA Extension Modules are compatible with all modern network analyzers and use LO & RF signals below 43.5GHz. Contact VDI to discuss VNA and Extender configurations that will yield the best performance for your application. These extenders have been integrated with variety probe stations for on-wafer testing. Dominion MicroProbes has recently developed on-wafer test probes for >500GHz that are compatible with VDI’s VNA Extenders. When used in conjunction with VDI’s PM4 power meter, power leveling and sweeping are possible with these modules. Available options include increased test port power (selected bands), micrometer driven attenuators, reduced input frequency (<24GHz or <20GHz), increased cable length and waveguide based calibration kits. WR1.0 (750-1,100 GHz) VNA System Image Courtesy of Agilent Technologies
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VIRGINIA Diodes Inc. www.virginiadiodes.com
Vector Network Analyzer Extension Modules
VDI’s VNA Extenders provide high performance frequency extension of vector network analyzers into the THz range. Models are currently available for coverage from 50GHz-1,100GHz, with additional bands under development. These modules combine high test port power and superb dynamic range to offer unparalleled performance. VDI’s VNA Extension Modules are compatible with all modern network analyzers and use LO & RF signals below 43.5GHz. Contact VDI to discuss VNA and Extender configurations that will yield the best performance for your application.
These extenders have been integrated with variety probe stations for on-wafer testing. Dominion MicroProbes has recently developed on-wafer test probes for >500GHz that are compatible with VDI’s VNA Extenders. When used in conjunction with VDI’s PM4 power meter, power leveling and sweeping are possible with these modules. Available options include increased test port power (selected bands), micrometer driven attenuators, reduced input frequency (<24GHz or <20GHz), increased cable length and waveguide based calibration kits.
WR1.0 (750-1,100 GHz) VNA System Image Courtesy of Agilent Technologies
* VDI's Standard extenders use input frequencies up to 42.5GHz (see Options Available). Two TxRx heads are required for full two-port t
Head Configurations:* Extenders are compatible with all modern VNAs. Please consult with VDI to discuss VNA and extender configurations that will yield the best performance for your application.
Transmitter with two Receivers (Reference and Refl. Measurement), and two couplers.
TxRef: Rx: Tx:
* The dynamic range (RBW 10 Hz) is measured by first connecting two TxRx heads together and Note: All extender heads include a precision Test Port, and the required
measurements.* Specifications quoted here assume a through measurement with two TxRx head. These values are "expected," and subject to change. Full waveguide band extenders to 750GHz are routinely shipped, higher frequencies require a special order. Please contact VDI.
Transmitter, Reference Receiver and one coupler.Measurement Receiver.
* Stability is for 1 hr after system warm-up, in stable environment with ideal cables. Transmitter.
y g ( ) y g gnormalizing the un-calibrated S21 & S12. The heads are then disconnected and terminated with a waveguide short. The rms of the measured S21 & S12 give the system dynamic range.
cables (standard length 36 inches).Options Available (contact [email protected]):
* Test Port Power is typical, not normally measured. 1) Reduce input frequency to below 24 or 20 GHz.2) TxRx and Tx extenders up to WR1.5 can include a micrometer driven variable attenuator.3) Increase Test Port Power (in some bands or partial bands).4) Non-standard frequency bands or other specific needs.