AR RF/Microwave Instrumentation 40T26G40A
40 Watt CW, 26.5 - 40 GHz Amplifier, RF in - 2.92 mm, RF out - WR-28
The AR RF/Microwave Instrumentation 40T26G40A is a self-contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where wide instantaneous bandwidth, high gain and moderate power output are required. A reliable TWT provides a conservative 40 watts minimum at the amplifier output connector. Stated power specifications are at the fundamental frequency. The amplifier's front panel digital display shows forward and reflected output plus extensive system status information accessed through a series of menus via soft keys. Status indicators include power on, warm-up, standby, operate, faults, excess reflected power warning and remote. Standard features include a built-in IEEE- 488 (GPIB) interface, 0dBm input, VSWR protection, gain control, RF output sample port, auto sleep, plus monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature and cabinet temperature. Modular design of the power supply and RF components allow for easy access and repair. Use of a switching mode power supply results in significant weight reduction. Housed in a stylish contemporary cabinet, this unit is designed for benchtop use but can be removed from the cabinet for rack mounting. The Model 40T26G40A provides readily available RF power for a variety of applications in Test and Measurement, (including EMC RF susceptibility testing), Industrial and University Research and Development, and Service applications. These sub-octave amplifier features moderate harmonic content. Refer to Model Configuration Chart for alternative configurations and special features.
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Base Model
Standard Rental Accessories*
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Adapter HPIB
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Cord Power
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Shipping Crate Small Streamline Cable Assembly
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CD or USB 40T26G40A Technical Manual
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Keylock Key for 40T26G40A.
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Adapter WG - Coaxial 2.92 mm(f) WR-28 26.5 GHz - 40 GHz
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AR RF/Microwave Instrumentation 40T26G40A Spec Sheet
Content is AI-generated. Verify critical details with manufacturer-provided resources.
What is the AR RF/Microwave Instrumentation 40T26G40A?
The 40T26G40A is a self-contained, air-cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications requiring wide instantaneous bandwidth, high gain, and moderate power output. It provides a conservative 40 watts minimum at the amplifier output connector across the frequency range of 26.5GHz to 40GHz.
What applications is the 40T26G40A suitable for?
It is suitable for Test and Measurement applications, including EMC RF susceptibility testing, Industrial and University Research and Development, and Service applications. The amplifier is optimized for sub-octave applications with moderate harmonic content.
What is the rated power output of the 40T26G40A?
The nominal power output is 45 watts, with a minimum guaranteed output of 40 watts. At 1dB compression, the linear power output is a minimum of 10 watts.
What are the key features of the 40T26G40A amplifier?
Key features include a digital front panel display showing forward and reflected output plus extensive system status information, a built-in IEEE-488 (GPIB) interface, 0dBm input VSWR protection, gain control, RF output sample port, and extensive monitoring capabilities for TWT and system parameters.
How does the 40T26G40A handle mismatched loads?
The amplifier has output power foldback protection at reflected power exceeding 10 watts but can operate without damage or oscillation with any magnitude and phase of source and load impedance. It may oscillate with unshielded open due to coupling to the input and should not be tested with the connector off.
What are the modulation capabilities of the 40T26G40A?
The amplifier can faithfully reproduce AM, FM, or pulse modulation appearing on the input signal, with AM peak envelope power limited to the specified power.
What cooling method is employed in the 40T26G40A?
The 40T26G40A uses forced air cooling with self-contained fans, with air entry and exit located at the rear of the unit.
What are the primary power requirements for the 40T26G40A?
The amplifier requires 99-260 VAC, 50/60 Hz, single-phase power, consuming a maximum of 850 VA.
What connectivity options are available for the 40T26G40A?
Connectivity options include Type K female connectors for RF input and RF output sample port on the rear panel, Type WR-28 waveguide flange for RF output, IEEE-488 for GPIB, and a DB-15 female connector for interlock purposes.
What are the model configurations available for the 40T26G40A?
The amplifier is available in several model configurations (M1 through M8), which vary based on package alternatives (such as rack mounting options) and special features (like enhanced flatness, reflected power port, and positioning of RF input/output connectors).
