Amplifier Research 200T4G8
Microwave Amplifier, 4 - 8 GHz, 200W

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Product Overview

RENT AR 200T4G8 (call for availability)

The Amplifier Research (AR) 200T4G8 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 250 watt TWT provides a conservative 200 watts minimum at the amplifier output connector. Stated power specifications are at the fundamental frequency.

The AR 200T4G8 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, heater current, heater voltage, baseplate temperature and cabinet temperature.

The modular design of the AR 200T4G8 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 200T4G8 Amplifier is designed for benchtop use but can be removed from cabinet for rack mounting. The AR 200T4G8 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.

Features and Specifications of the AR 200T4G8 Amplifier include:

• Power (fundamental), CW, @ Output Connector:
• Nominal: 262 watts
• Minimum: 200 watts
• Linear @ 1 dB Compression: 100 watts minimum
• Flatness: ±6 dB maximum at rated power
• Frequency Response: 4-8 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 foldback protection at reflected power exceeding 40 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.
• Noise Power Density: Minus 64 dBm/Hz (maximum); Minus 70 dBm/Hz (typical)
• Harmonic Distortion: Minus 4 dBc maximum; Minus 7.0 dBc typical
• 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 N female on rear panel
• RF output sample port: Type N female on rear panel
• GPIB: IEEE (f) on rear panel
• Interlock: DB-15 (f) on rear panel
• Cooling: Forced air (self-contained fans), air entry and exit in rear.