Amplifier Research 250T6G18 TWT Amplifier
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Amplifier Research 250T6G18 is a traveling wave tube (TWT) RF amplifier delivering 250W CW across 6–18 GHz with low noise and high reliability for test, EMC, and industrial applications.
Product details
| Model | 250T6G18 |
| Manufacturer | Amplifier Research |
| Category | RF Amplifiers |
| Availability | Made to order |
Description
Overview
The Amplifier Research 250T6G18 is a self-contained, forced-air-cooled traveling wave tube (TWT) broadband microwave amplifier designed for applications requiring instantaneous bandwidth and high gain. A reliable 300-watt TWT provides a conservative 250 watts minimum at the amplifier output. The amplifier features a digital front panel display showing forward and reflected output power with menu-driven access to extensive system status information.
Key Features
- 250 W minimum output power across 6–18 GHz instantaneously
- Gain: 54 dB minimum with 35 dB continuous adjustment range
- Built-in IEEE-488 (GPIB) interface for remote control
- Video pulse capability (1 microsecond min pulse width, 100 kHz max PRF)
- VSWR protection with output power foldback
- 100% mismatch tolerance
- Digital front panel display with comprehensive status monitoring
- Modular design for easy maintenance and repair
- Reduced weight via switching-mode power supply
Applications
- Test and measurement applications
- EMC RF susceptibility testing
- Industrial and university research and development
- Service applications
Specifications
| Rated Power Output | 250 W minimum at fundamental frequency (6–18 GHz) |
| Frequency Range | 6 to 18 GHz instantaneously |
| Gain | 54 dB minimum |
| Gain Adjustment Range | 35 dB minimum |
| Flatness | +6 dB maximum at rated power |
| Input for Rated Output | 1.0 mW maximum |
| Input Impedance | 50 Ohm, VSWR 2.5:1 maximum |
| Output Impedance | 50 Ohm, VSWR 2.5:1 typical |
| Mismatch Tolerance | 100% (output power foldback protection at >50 W reflected power) |
| Noise Power Density (pulse on) | –65 dBm/Hz maximum, –70 dBm/Hz typical |
| Noise Power Density (pulse off) | –140 dBm/Hz typical |
| Harmonic Distortion | –5 dBc maximum, –8 dBc typical |
| Pulse Width (video pulse) | 1.0 microsecond minimum |
| Pulse Repetition Frequency | 100 kHz maximum |
| RF Rise and Fall Time | 30 ns maximum (10% to 90%) |
| Primary Power | 190–260 VAC, 50/60 Hz single phase, 2.0 kVA maximum |
| Cooling | Forced air (self-contained fans) |
| Weight | 53 kg (115 lbs) |
| Dimensions (W x H x D) | 50.3 x 29.7 x 68.5 cm (19.8 x 11.7 x 27 inches) |
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Amplifier Research 250T6G18 TWT Amplifier
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