Amplifier Research 250T1G3 Microwave Amplifier, 1 - 2.5 GHz, 250W

RENT AR 250T1G3 (call for availability)

The Amplifier Research (AR) 250T1G3 is an advanced self-contained microwave amplifier optimized for high-gain applications requiring instantaneous bandwidth. Its broadband traveling wave tube (TWT) technology ensures a reliable output of a minimum of 250 watts, boasting a nominal power rating of 300 watts, making it ideal for diverse testing environments and RF applications.

Equipped with a user-friendly front panel, the AR 250T1G3 Amplifier features a digital display that provides real-time monitoring of forward and reflected output, along with system status via intuitive soft key menus. Users can easily access vital information such as power on/off indicators, warm-up status, operational modes, fault notifications, and excess reflected power warnings. Key functionalities include a built-in IEEE-488 (GPIB) interface, 0dBm input protection, VSWR safeguarding, gain control options, external video pulsing, and an RF output sample port—all contributing to enhanced operational efficiency.

The modular design of both power supply and RF components facilitates straightforward maintenance and repairs, while the incorporation of a switching mode power supply significantly reduces weight. This amplifier is also designed for versatile applications, including Test and Measurement (EMC RF susceptibility testing), Industrial Research & Development, and various service operations.

The AR 250T1G3 Amplifier features a contemporary cabinet suitable for bench-top use, and it can be easily adapted for rack mounting, ensuring maximum flexibility according to your workspace needs.

Key Features and Specifications of the AR 250T1G3 Amplifier include:

• Power (fundamental), CW, @ Output Connector:
  • Nominal: 300 watts
  • Minimum: 250 watts
  • Linear @ 1 dB Compression: 70 watts minimum
• Flatness: ±12 dB maximum, equalized for ±5 dB maximum at rated power
• Frequency Response: 1-2.5 GHz instantaneously
• Input for Rated Output: 1.0 milliwatt maximum
• Gain (at maximum setting): 53 dB minimum
• Gain Adjustment (continuous range): 35 dB minimum
• Input Impedance: 50 ohms, VSWR 2.0:1 maximum
• Output Impedance: 50 ohms, VSWR 2.5:1 typical
• Mismatch Tolerance: Output power fold-back protection at reflected power exceeding 50 watts; will operate without damage or oscillation with any magnitude and phase of source and load impedance.
• Modulation Capability: Accurately reproduces AM, FM, or pulse modulation on the input signal.
• Video Pulse Capability:
  • Pulse Width: 0.05 microseconds minimum
  • Pulse Rate (PRF): 100KHz maximum
  • RF Rise and Fall: 30 ns max (10% to 90%)
  • Delay: 300 ns max from pulse input to RF90%
  • Pulse Width Distortion: ±30 ns max
• Noise Power Density:
  • Pulse On: Minus 72 dBm/Hz (maximum); Minus 77 dBm/Hz (typical)
  • Pulse Off: Minus 140 dBm/Hz (typical)
• Harmonic Distortion: Minus 3 dBc maximum, Minus 4.5 dBc typical
• Primary Power: 190 – 260VAC; 50/60 Hz, single phase; 2.5 KVA maximum
• Connectors:
  • RF Input: Type N female on rear panel
  • RF Output: Type N female on rear panel
  • RF Output Sample Port: Type N female on rear panel
  • GPIB: IEEE-488 (female)
  • Interlock: DB-15 female on rear panel
  • Video: BNC-female on rear panel
• Cooling: Forced air (self-contained fans), with air entry and exit located at the rear of the unit.

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