Rent or Buy Amplifier Research 250T6G18 TWT Amplifier, 6 - 18 GHz, 250W


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Amplifier Research 250T6G18
TWT Amplifier, 6 - 18 GHz, 250W

Amplifiers - RF and Microwave >> Above 1 GHz and 101 Watt to 999 Watt >> TWT Amplifier, 6 - 18 GHz, 250W
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Manufacturer: Amplifier Research
Model: 250T6G18

Amplifier Research 250T6G18 TWT Amplifier, 6 - 18 GHz, 250W

Electronic Test and Measurement Equipment

Amplifier Research 250T6G18 TWT Amplifier, 6 - 18 GHz, 250W Product Datasheet Download Product Datasheet

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Product Overview

AMPLIFIER RESEARCH 250T6G18

The Amplifer Research 250T6G18 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 300 watt TWT provides a conservative 250 watts minimum at the amplifier output flange. Stated power specifications are at the fundamental frequency.

The 250T6G18 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, 0 dBm input, VSWR protection, gain control, RF output sample port, plus monitoring of TWT helix current, cathode voltage, collector voltage, external video pulsing, heater current, heater voltage, baseplate temperature and cabinet temperature.

Modular design of the 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. This unit is designed for benchtop use, but can be removed from the cabinet for rack mounting. The Model 250T6G18 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.

Specifications of the 250T6G18 include:

POWER (fundamental), CW @ OUTPUT FLANGE

  • Nominal: 300 watts
  • Minimum: 250 watts

FLATNESS: +6 dB maximum at rated power
FREQUENCY RESPONSE: 6-18 GHz instantaneously
INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
GAIN (at maximum setting): 54 dB minimum
GAIN ADJUSTMENT (continuous range): 35 dB minimum
INPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 maximum
OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical
MISMATCH TOLERANCE: Output power foldback 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: 1.0 microseconds min
  • Pulse Rate (PRF): 100 KHz max
  • RF Rise and Fall: 30 ns max (10% to 90%)
  • Delay: 300 ns max from pulse input to RF 90%
  • 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 65 dBm/Hz (maximum), Minus 70 dBm/Hz (typical)
  • (pulse off):  Minus 140 dBm/Hz (typical)

HARMONIC DISTORTION: Minus 5 dBc max., minus 8 dBc typ.
PRIMARY POWER: 190-260 VAC, 50/60 Hz single phase, 2.0 KVA maximum
CONNECTORS

  • RF input: Type N female on rear panel
  • RF output: Type WRD–650 waveguide flange on rear panel
  • RF output sample port: Type N female on rear panel
  • GPIB: IEEE-488 (f) on rear panel
  • Interlock: DB-15 (f) on rear panel
  • Video: BNC-female on rear panel

COOLING: Forced air (self-contained fans), air entry and exit in rear.
WEIGHT: 53 kg, 115 lbs
SIZE (W x H x D): 50.3 x 29.7 x 68.5 cm, 19.8 x 11.7 x 27 in
EXPORT CLASSIFICATION: ITAR

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