Tektronix Encore

Amplifier Research 40T18G26A
Microwave Amplifier, 18 - 26.5GHz, 40W

Amplifiers - RF and Microwave >> Above 1 GHz and 100W or Less >> Microwave Amplifier, 18 - 26.5GHz, 40W
Rent Used Test Equipment
Manufacturer: Amplifier Research
Model: 40T18G26A

Amplifier Research 40T18G26A Microwave Amplifier, 18 - 26.5GHz, 40W

Electronic Test and Measurement Equipment

Amplifier Research 40T18G26A Microwave Amplifier, 18 - 26.5GHz, 40W Product Datasheet Download Product Datasheet

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Product Overview

RENT AR 40T18G26A (call for availability)

Amplifier Research (AR) 40T18G26A is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where wide instantaneous bandwidth, high gain and moderate power output are required. A reliable TWT provides a conservative 40 watts minimum at the amplifier output connector. Stated power specifications are at the fundamental frequency.

The AR 40T18G26A 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, RF output sample port, auto sleep, plus monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature and cabinet temperature.

The modular design of the AR 40T18G26A 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.

Housed in a stylish contemporary cabinet, the AR 40T18G26A Amplifier is designed for benchtop use but can be removed from the cabinet for rack mounting. The AR 40T18G26A Amplifier 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. These sub-octave amplifiers feature moderate harmonic content.

Features and Specifications of the AR 40T18G26A Amplifier include:

  • Power (fundamental), CW, @ Output Connector:
    • Nominal: 45 watts
    • Minimum: 40 watts
    • Linear @ 1 dB Compression: 10 watts minimum
  • Flatness: ± 8 dB maximum
  • Frequency Response: 18 – 26.5 GHz instantaneously
  • Input for Rated Output: 1.0 milliwatt maximum
  • Gain (at maximum setting): 46 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 foldback protection at reflected power exceeding 10 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 (S2V Option):
    • Pulse Width: 0.1 microseconds min
    • Pulse Rate (PRF): 10 kHz max
    • RF Rise and Fall: 100 ns max (10% to 90%)
    • Delay: 500 ns max from pulse input to RF90%
    • Pulse width distortion: 200 ns max (50% points of output pulse width compared to 50% points of input pulse width)
    • Noise Power Density, (pulse off):  Minus 140 dBm/Hz (typical)
    • Pulse Off Isolation: 80 dB minimum, 90 dB typical
    • Pulse Input: TTL Level, 50 Ohm nominal termination, high level enables RF when video pulsing mode is selected.
  • Noise Power Density: Minus 60 dBm/Hz (maximum), Minus 65 dBm/Hz (typical)
  • Harmonic Distortion: Minus 20 dBc maximum, Minus 28 dBc typical
  • Primary Power: 99-260 VAC, 50/60 Hz single phase, 850 VA maximum
  • Connectors:
    • RF input: Type K female on rear panel
    • RF output: Type WR-42 waveguide flange on rear panel
    • RF output sample port: Type K female on rear panel
    • Pulse input (S2V option): Type BNC female on rear panel
    • GPIB: IEEE – 488 on rear panel
    • Interlock: DB-15 female on rear panel
  • Cooling: Forced air (self contained fans), air entry and exit in rear.

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