Amplifier Research 20T4G18A 339774 Microwave Amplifier, 4.2 – 18 GHz, 20W*As-Is*

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Location: Farmingdale, New Jersey
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Item: 145424089870

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MPN:20T4G18A
Amplifier Research 20T4G18A 339774 Microwave Ampl:Amplifier Research 20T4G18A 339774 Microwave Ampl
Amplifier Research:Amplifier Research

Amplifier Research 20T4G18A 339774 Microwave Amplifier, 4.2 – 18 GHz, 20W*As-Is*ItemMake: Amplifier ResearchModel: 20T4G18A Options: Item Specifics/Condition SOLD AS-IS / UNTESTED, Unit Is In Good Cosmetic Condition, Minor Wear and Tear This Unit Is Being Sold As-Is Shown In The Pictures Provided No Accessories Or Parts Are Included With The Unit Description Microwave Amplifier, 4.2 – 18 GHz, 20WThe Model 20T4G18A 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 micro TWT provides a conservative 20 watts minimum at the amplifier output connector. Stated power specifications are at fundamental frequency. The 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. 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. 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 20T4G18A 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. Functions and Specifications of the Amplifier Research 20T4G18A TWT Amplifier Includes: POWER (fundamental), CW, @ OUTPUT CONNECTORNominal: 42 wattsMinimum: 20 wattsLinear @ 1dB Compression: 10 watts minimum FLATNESS: ±9 dB maximum, 4.2 – 18 GHz ±5dB maximum,8.0 – 18 GHz FREQUENCY RESPONSE: 4.2-18 GHz instantaneously INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum GAIN (at maximum setting): 43 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 protectionat reflected power exceeding 20 watts. Will operate withoutdamage or oscillation with any magnitude and phase ofsource and load impedance. May oscillate with unshieldedopen due to coupling to input. Should not be tested withconnector 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 80 dBm/Hz (maximum)Minus 90 dBm/Hz (typical) 10 – 12 GHz;Minus 8dBc maximum,Minus 12dBc typical Above 12 GHz;Minus 20dBc maximum,Minus 30dBc typical PRIMARY POWER: 99-260 VAC, 50/60 Hz single phase, 600 VAC maximumn CONNECTORS:RF input: Type N precision female on rear panelRF output: Type N precision female on rear panelRF output sample port: Type N precision femaleon rear panelGPIB: IEEE-488-(f)Interlock: DB-15 female on rear panel COOLING: Forced air (self contained fans), air entryand exit in rear. WEIGHT (approximate): 32 kg, 70 lbs.SIZE (W x H x D): 50.3 x 16.5 x 68.6 cm,19.8 x 6.5 x 27 in.,Images Term of sale Included Items: This sale does not include probes, cables, manuals, power cords or any other accessories unless otherwise stated or pictured.

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