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Automated Tuners General Information and Available Models
The MT97x and MT98x series automated tuners are precision electromechanical instruments capable of matching a wide range of impedances over broad frequency ranges (typically, > decade). The tuners have proven valuable in computer driven applications requiring multiple, repeatable impedances covering wide areas of the impedance plane. The following table is a quick reference chart of Maury tuners showing frequency range and minimum matching range in terms of equivalent VSWR. The tuners are key elements in the ATS device characterization solutions; however, they may also be used in any automated or manual application requiring the ability to match the impedance of a microwave circuit element or to establish specific impedances at a terminal interface. The tuner design is based on the slide screw concept using the inherently broadband slab-line transmission structure. Each unit has two probes to optimize performance over a broad frequency range. The design permits the probes to be fully retracted leaving a low loss, well matched transmission line. This feature is very valuable in power related applications which, for good performance, require two-port tuners capable of handling large amounts of power. We are currently reconfiguring all of our automated tuners to USB control. These will be designated with a "U" in the model number. Earlier Maury MT97x and MT98x series tuners are compatible with the MT986B01/02 GPIB compatible tuner controllers, which are required for their use in system applications. For information about Maury USB controlled Tuner models see the following Data Summary pages: MT981HU Series High-Gamma Tuners™. (PDF document. 24 KB) MT981AU, MT981BU, and MT981EU Series Tuners. (PDF document. 20 KB) MT982AU, MT982BU, and MT982EU Series Tuners. (PDF document. 20 KB) MT984AU Series Tuners. (PDF document. 21 KB) Millimeter Wave Tuners Frequency Range (GHz) Matching Range (minimum) 1 Model 75.0 - 110.0 20:1 MT979A 60.0 - 90.0 20:1 MT978A 50.0 - 75.0 20:1 MT977A 40.0 - 60.0 20:1 MT976A 33.0 - 50.0 20:1 MT975A Coaxial Tuners Frequency Range (GHz) Matching Range (minimum) 1 Model 0.25 - 2.5 15:1 MT981A01 0.4 - 4.0 15:1 MT981B 0.4 - 2.5 30:1 MT981B05 0.4 - 2.5 40:1 MT981B06 0.8 - 8.0 15:1 MT982E 0.8 - 8.0 15:1 MT982E30 0.8 - 8.0 30:1 (1.8 - 2.8 GHz); 25:1 (4.9 - 6.0 GHz) MT982E32 0.8 - 18.0 10:1 MT982B01 1.8 - 18.0 10:1 MT982A01 1.8 - 18.0 15:1 MT982A02 4.0 - 26.5 10:1 MT983A01 8.0 - 50.0 10:1 MT984A01 1 Equivalent VSWR.
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