Tektronix Encore




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

Amplifiers - RF and Microwave >> Above 1 GHz and 101 Watt to 999 Watt >> Microwave Amplifier, 1 - 2.5 GHz, 250W
Rent Used Test Equipment
Manufacturer: Amplifier Research
Model: 250T1G3

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

Electronic Test and Measurement Equipment

Amplifier Research 250T1G3 Microwave Amplifier, 1 - 2.5 GHz, 250W Product Datasheet Download Product Datasheet

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Product Overview

RENT AR 250T1G3 (call for availability)

The Amplifier Research (AR) 250T1G3 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth and high gain are required. A reliable TWT provides a conservative 250 watts minimum at the amplifier output connector. Stated power specifications are at fundamental frequency.

The AR 250T1G3 Amplifier's front panel digital display shows forward and reflected output plus extensive system status information accessed through a series of menus via soft keys. Status indicators include power on, warm-up, standby, operate, faults, excess reflected power warning and remote. Standard features include a built-in IEEE-488 (GPIB) interface, 0dBm input, VSWR protection, gain control, external video pulsing, RF output sample port, auto sleep, plus monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, base plate temperature and cabinet temperature.

The modular design of the AR 250T1G3 Amplifier's power supply and RF components allow for easy access and repair. Use of a switching mode power supply results in significant weight reduction. The external video pulsing feature reduces prime power use for pulse applications.

Housed in a stylish contemporary cabinet the AR 250T1G3 Amplifier is designed for bench top use, but can be removed from the cabinet for rack mounting. It provides readily available RF power for a variety of applications in Test and Measurement, (including EMC RF susceptibility testing), Industrial and University Research and Development, and Service applications.

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. May oscillate with unshielded open due to coupling to input. Should not be tested with connector off.
  • Modulation Capability: Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal. AM peak envelope power limited to specified power.
  • Video Pulse Capability:
    • Pulse Width: 0.05 microseconds min
    • Pulse Rate (PRF): 100KHz max
    • 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 (50% points of output pulse width compared to 50% points of input pulse width)
  • 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 (f)
    • Interlock: DB-15 female on rear panel
    • Video: BNC-female on rear panel
  • Cooling: Forced air (self contained fans), air entry and exit in rear.

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Phone: (760) 806-6600