Amplifier Research 40T26G40A Microwave Amplifier
The AR 40T26G40A is a cutting-edge self-contained, forced air cooled broadband traveling wave tube (TWT) microwave amplifier. It is meticulously engineered for applications requiring wide instantaneous bandwidth, high gain, and moderate power output. With a dependable TWT, the amplifier guarantees a minimum of 40 watts at the output connector, ensuring robust performance suitable for various demanding environments.
Key Features:
- Power Output:
- Linear @ 1 dB Compression: 10 watts minimum
- Frequency Response: 26.5 – 40 GHz instantaneous bandwidth
- Gain:
- At Maximum Setting: 46 dB minimum
- Gain Adjustment Range: 35 dB minimum (continuous)
- Input Specifications: 1.0 milliwatt maximum for rated output; Input impedance of 50 ohms with VSWR 2.0:1 maximum
- Output Specifications: Output impedance of 50 ohms, with a typical VSWR of 2.5:1
- Cooling System: Forced air cooling with self-contained fans for efficient operation
Performance Metrics:
- Noise Power Density:
- Harmonic Distortion:
Modulation Capability:
The AR 40T26G40A faithfully reproduces AM, FM, or pulse modulation present in the input signal, with AM peak envelope power limited to the specified output power.
Connectors:
- RF Input: Type K female on rear panel
- RF Output: Type WR-28 waveguide flange on rear panel
- RF Output Sample Port: Type K female on rear panel
- GPIB: IEEE-488 on rear panel
- Interlock: DB-15 female on rear panel
Power and Protection:
Primary Power: 99-260 VAC, 50/60 Hz single phase, with a maximum consumption of 850 VA. Feature-rich design includes VSWR protection, gain control, and advanced monitoring of TWT parameters such as helix current, cathode voltage, collector voltage, heater current, and temperatures.
Design and Application:
The modular architecture of the AR 40T26G40A permits straightforward access and maintenance, while the use of a switching mode power supply significantly reduces its weight. Encased in a sleek, modern cabinet, this amplifier is ideally suited for bench-top use but can be converted for rack mounting. It is universally applicable across Test and Measurement, EMC RF susceptibility testing, Industrial and University Research and Development, and Service domains, delivering reliable RF power while maintaining moderate harmonic content.
