Millimeter
Wave VNA Frequency Extension Modules
[ Photo of VNA Product line. ]
OML offers two standard modules, the "T/R" and
the "T", for extending the frequency range of a customer owned
Vector Network Analyzer (VNA) to cover 50 to 325 GHz in waveguide bands (above
325 GHz under development). The
customer provided equipment needed to configure an OML millimeter wave VNA
system includes a four channel VNA with an input frequency between 5 and 300
MHz, an RF synthesizer capable of covering up to 20 GHz, an LO synthesizer
covering up to 20 GHz and various other accessories.
Information on system configuration requirements can be found in OML
white papers and application notes found on OMLs web site "omlinc.com". The
designs specified below have been proven to be compatible with the Anritsu
Lightning and Agilent 8510 VNA systems.
References are available upon request.
A “T/R” module is always the primary module of any system. This module contains a multiplier source, a dual directional coupler, a reference downconverter and a test downconverter. A single “T/R” module allows the measurement of “S11” reflection coefficient only. The use of a “T” module, as the second module, allows the system capability to the measurement of “S11” and S21” only. It is a “receive only” module and contains a downconverter and receives the test signal from the “T/R” module. The use of a “T/R” module, as the second module, allows for all four “S” parameters to be measured. In this configuration the test downconverter of the second "T/R" module acts as the receiver for the signal from the first "T/R" modules source. When two "T/R" modules are used, "S11" and "S21" are measured the forward direction and then the signal path is reversed and "S22" and "S11" are measured. A third type of module, the "S" module (multiplier source, single directional coupler and reference downconverter) is available for special applications. Waveguide band specific specifications are listed below.
As of January 1, 2004 OML VNA products for 33 to 50 GHz (WR-22) and 40 to 60 GHz (WR-19) have been discontinued.
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“T”
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Transmission
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Transmission
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“T/R”
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Transmission/Reflection
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Transmission/Reflection
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Notes:
1)
Specifications:
See
“OML Millimeter Wave Frequency Extension Module Specifications.”
2)
Final Acceptance Test:
Final
Acceptance Testing shall occur at OML’s facility. This acceptance testing
shall be limited to demonstration of amplitude response only (not phase) using
an Anritsu 37100 VNA system or the HP 8510 or PNA systems. Customer
references are available.
3)
Delivery Information:
Delivery
is dependent upon the band ordered and factory backlog at time of order.
Please contact OML for specific information.
4)
Terms & Conditions:
OML
is a “Small Business,” manufacturing commercial grade test equipment
developed at OML expense, accepting business subject only to OML “Terms and
Conditions” and Warranty. All data submitted to customer in performance of a
resulting contract shall be considered to be “OML Proprietary Data.” OML
retains all rights to the products and components. Please see OML “Terms
& Conditions” for further information.
5)
Export Licensing:
These products are subject to U.S. Government Export Regulations. Diversion contrary to U.S. law is prohibited. When exporting these modules, a proper export license must be obtained. International and Export contact: Radar Systems Technology @ 650 949 8041 FAX 650 949 8082
6)
These products are available upon special order.
Delivery
to be quoted dependent upon specifications.
Rev. 4/1/2004
300 Digital Drive, · Morgan Hill, CA 95037
Tel. (408) 779-2698 · FAX: (408) 778-0491 · email: info@omlinc.com
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