Amplifier Research 50T4G18 TWT Microwave Amplifier, 4 - 18 GHz, 50W

Amplifier Research 50T4G18 TWT Amplifier

Experience exceptional performance with the Amplifier Research 50T4G18A, a cutting-edge broadband traveling wave tube (TWT) microwave amplifier tailored for a wide range of applications. Engineered to deliver wide instantaneous bandwidth, high gain, and moderate power output, this amplifier provides a reliable minimum of 50 watts at the output connector across a significant frequency range, ensuring robust performance at fundamental frequency.

Key Features

• Advanced Digital Display: The front panel is equipped with a digital display that provides real-time information on forward and reflected output, along with extensive system status accessed via an intuitive menu.
• Status Indicators: Includes monitoring for power on, warm-up, standby, operation, faults, excess reflected power warning, and remote status.
• Built-in Interfaces: Standard GPIB (IEEE-488) interface and remote control features facilitate seamless integration into existing systems.
• Robust Protection: Features VSWR protection, gain control, and a RF output sample port to ensure safe and efficient operation.
• Comprehensive Monitoring: Monitor TWT performance with extensive parameters including helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature, and cabinet temperature.
• Modular Design: Easy access and repairs with a modular setup for power supply and RF components. The use of a switching mode power supply significantly reduces the weight, contributing to user-friendliness.
• Versatile Mounting Options: Designed for benchtop use, the unit can also be detached from its stylish cabinet for rack mounting as required.

Applications

The 50T4G18A amplifier is ideal for numerous applications in fields such as Test and Measurement, EMC RF susceptibility testing, Industrial, University Research and Development, and various service applications.

Specifications

• POWER:
  • 60 watts Minimum (CW)
  • 50 watts
  • Linear @ 1dB Compression: 10 watts minimum
• FLATNESS: ±10 dB maximum, 4.2 - 18 GHz
• FREQUENCY RESPONSE: 4.2-18 GHz instantaneously
• INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
• GAIN (at maximum setting): 47 dB minimum
• GAIN ADJUSTMENT: Continuous range of 35 dB minimum
• INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum
• OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical
• MISMATCH TOLERANCE: Protection at reflected power exceeding 20 watts; operation without damage or oscillation with any phase of source and load impedance.
• MODULATION CAPABILITY: Reproduces AM, FM, or pulse modulation on the input signal; AM peak envelope power limited to specified power.
• NOISE POWER DENSITY:
  • Max: -80 dBm/Hz
  • Typical: -90 dBm/Hz
• HARMONIC DISTORTION (at 50 watts):
  • 4.2-4.5 GHz: +2.5 dBc max, -0 dBc typical
  • 4.5-6 GHz: +0.5 dBc max, -1 dBc typical
  • 6-8 GHz: -4 dBc max, -6 dBc typical
  • 8-10 GHz: -6 dBc max, -9 dBc typical
  • Above 10 GHz: -10 dBc max, -15 dBc typical
• PRIMARY POWER: 99-260 VAC 50/60 Hz single phase, 800 VA maximum
• CONNECTORS:
  • RF input: Type N precision female on rear panel
  • RF output: Type N precision female on rear panel
  • RF output sample port: Type N precision female on rear panel
  • GPIB: IEEE-488-(f)
  • Interlock: DB-15 female on rear panel
• COOLING: Forced air (self-contained fans), with air entry and exit in the rear.
• SIZES (W x H x D): 19.8 x 6.5 x 27 in. (50.3 x 16.5 x 68.6 cm)
• WEIGHT: Approximately 70 lbs (32 kg)