Amplifier Research 40T18G40 Traveling Wave Tube Amplifier
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Amplifier Research 40T18G40 is a 40W traveling wave tube (TWT) amplifier (18-40 GHz) with digital display, GPIB control, and VSWR protection for RF and EMC testing.
Product details
| Model | 40T18G40 |
| Manufacturer | Amplifier Research |
| Category | RF Amplifiers |
| Availability | Made to order |
Description
Overview
The Amplifier Research 40T18G40 is a self-contained, forced air-cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications requiring wide instantaneous bandwidth, high gain and moderate power output. A reliable TWT provides a minimum of 40 watts at the amplifier output connector. The amplifier features a front panel digital display showing forward and reflected output power plus extensive system status information accessible through menu-driven soft keys.
Key Features
- 40W minimum output power (70W nominal) across 18-40 GHz
- Traveling wave tube (TWT) design for broadband coverage
- Digital display showing forward and reflected power with system status information
- Menu-driven soft key control interface
- Built-in GPIB (IEEE-488) interface for remote control
- VSWR protection with output power foldback at reflected power exceeding 10 watts
- Modular design for easy access and repair
- Switching mode power supply for reduced weight
- Comprehensive monitoring of TWT helix current, cathode and collector voltages, heater parameters, and temperatures
Applications
- EMC RF susceptibility testing
- Test and measurement applications
- Industrial and university research and development
- Service and field testing
Specifications
| Output Power (CW at connector) | 40 W minimum, 70 W nominal |
| Linear Output Power @ 1 dB Compression | 10 W minimum |
| Frequency Response | 18-40 GHz instantaneously |
| Gain (Maximum) | 46 dB minimum |
| Gain Adjustment Range | 35 dB minimum continuous |
| Input for Rated Output | 1.0 mW maximum |
| Flatness | ±10 dB maximum |
| Input Impedance | 50 ohms, VSWR 2.0:1 maximum |
| Output Impedance | 50 ohms nominal, VSWR 2.5:1 typical |
| Harmonic Distortion | -3 dBc typical at 18 GHz |
| Noise Power Density | -60 dBm/Hz maximum, -65 dBm/Hz typical |
| Modulation Capability | AM, FM, and pulse modulation |
| Mismatch Tolerance | Output power foldback at reflected power >10 W |
| Primary Power | 190-265 VAC single phase, 47-63 Hz, 1.0 KVA typical |
| Cooling | Forced air (self-contained fans) |
| Weight | 30 kg (65 lbs) |
| Dimensions | 50.3 x 16.5 x 68.6 cm (19.8 x 6.5 x 27 in) |
| Export Classification | EAR99 |
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Amplifier Research 40T18G40 Traveling Wave Tube Amplifier
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