TWT Power Amplifiers

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While solid state technology has improved and increased capabilities in both frequency and power, twt amplifiers are still utilized as a high power source for military and aerospace radiated susceptibilitiy testing.

TWT (traveling wave tube) Amplifiers and amplifier systems are designed for a host of EMC, EMI and RF testing and instrumentation applications as well as EW and ECM jamming amplifiers.

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TWT POWER AMPLIFIER APPLICATIONS

TRAVELING WAVE TUBE SCHEMATIC

Diagram of a traveling wave tube (TWT) used in RF power amplifiers

TWT POWER AMPLIFIER CONSIDERATIONS

Design and Construction

Principles of Operation of Traveling Wave Tube Amplifiers
Electron Beam Generation and Propagation
RF Circuitry and Waveguide Structures

Performance Evaluation and Testing

Power Output and Efficiency Measurements
Frequency Response and Bandwidth
Phase Linearity and Group Delay
Noise Figure and Signal-to-Noise Ratio

Challenges and Solutions

Nonlinear Effects and Distortion
Thermal Management and Cooling Systems
Reliability and Lifetime Considerations
Integration with Control Systems

MANUFACTURERS of TRAVELING WAVE TUBE (TWT) POWER AMPLIFIERS

Amplifier Research
CPI
IFI / Logimetrics
Applied Systems Engineering
Hughes
Varian

POPULAR TRAVELING WAVE TUBE (TWT) POWER AMPLIFIERS

Rent Keysight N9048B CISPR 16 EMI Receiver

TWT Power Amplifiers Test Equipment, Systems & Solutions

Amplifier Research 40T26G40A Millimeter Wave TWTA

SKU: 7360

Frequency Range: 26.5 - 40 GHz

Output Power: 40 watts

Linear at 1dB Compression: 10 watts minimum

Flatness: ± 8 dB

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

Primary Power: 99-260 V AC, 50/60 Hz single phase, 850 VA maximum

Noise Power Density: Minus 60 dBm/Hz (maximum), Minus 70 dBm/Hz (typical)

Harmonic Distortion: Minus 20 dBc maximum, Minus 28 dBc typical

Cooling: Forced air (self contained fans), air entry and exit in rear

Typically In Stock

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CPI VZL6943J2 TWTA High Power RF Amplifier

SKU: CPI-VZL6943J2

Frequency Range: 1 GHz to 2.5 GHz

Output Power: 300 Watts typ. (250W min.)

Gain: 54dB

RF Level Adjustment Range: 0 to 20 dB

Typically In Stock

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CPI VZK-6901J1 K-band mmWave High Power Amplifier

SKU: CPI-VZA-6901J1-1

Max Frequency: 26.5 GHz

Min Frequency: 18 GHz

Output Power: 40 Watts

Gain: 46 dB

Test Standards: MIL-STD 461 RS103, DO-160 Section 20

Applications: Radiated Susceptibility, Military and Aerospace

1 Unit

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CPI VZA-6902J1 Ka-band Millimeter Wave Power Amplifier

SKU: CPI-VZA-6902J1

Max Frequency: 40 GHz

Min Frequency: 26.5 GHz

Output Power: 40 Watts

Gain: 46 dB

Test Standards: MIL-STD 461 RS103, DO-160 Section 20

Applications: Radiated Susceptibility, Military and Aerospace

1 Unit

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TWT8G-200 2 GHz - 8 GHz, 200 Watt RF Power Amplifier

SKU: sku-1884

Frequency Range: 53 dB min.

Weight: 70 lbs.

Connector type: N (Female)

Dimensions: 8.75"H x 19"W x 24.5"D

Frequency Range-2: 2 GHz - 8 GHz

Rated Power: 200 watts minimum

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Amplifier Research 20T4G18A 20Watt CW, 4.2GHz-18GHz TWT Microwave Amplifier

SKU: sku-1775

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Logimetrics A600/C 4 to 8 GHz, 200 Watt TWT RF Amplifier

SKU: 11055

Frequency range: 4.0 GHz - 8.0 GHz

Gain: 40 dB

Impedance: 50 ohms, VSWR 2.5:1 maximum

Input Connector: Type "N" to 8 GHz, Type "SMA" above 8 GHz

Input/Output Impedance: 50 ohms, VSWR 2.5:1 maximum

Max NF: 37 dB

Min. Power: 200 W

Output Connector: Type "N" to 8 GHz, Waveguide above 8 GHz

Power: 220 VAC, 50 to 60 Hz, 3-Phase, 2.6 kW.

Spurious AM Residual AM: At least 40 dB below rated output, typically 46 dB

Cost New:

Was:

Price Now:

$7,500.00

In Stock
Amplifier Research 40T18G26A TWTA Microwave Amplifier

SKU: 10716

Flatness: ± 8 dB maximum

Frequency Range: 18 GHz – 26.5 GHz

Gain: 46 dB

Output: 40 watts

RF Connector: Type k female

RF Input Voltage: 1.0 milliwatt maximum for rated output

Applications: Radiated Immunity Testing

Test Standards: RTCA DO-160, MIL-STD-461 RS 103

RENTAL ONLY

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Hughes 8010H15R000 TWT Amplifier 8 GHz - 18 GHz 10 Watts

SKU: 2676-1

Frequency Range: 8 to 18 GHz

Output Power: 10 Watts

In Stock

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Amplifier Research 50T4G18, 50 Watts CW, 4.2–18GHz, (TWT) Microwave Amplifier

SKU: sku-717

Weight: 70 lbs, 32 kg

Dimensions: 19.8 x 6.5 x 27 in., 50.3 x 16.5 x 68.6 cm.

Flatness: ±10 dB maximum, 4.2 - 18 GHz

Frequency Range: 4.2–18GHz

Gain: GAIN (at maximum setting) ......47 dB minimum GAIN ADJUSTMENT (continuous range)......35 dB minimum

Impedance: 50 ohms

Input: 99-260 VAC

Output: POWER (fundamental), CW, @ OUTPUT CONNECTOR Nominal .60 watts Minimum..50 watts Linear @ 1dB Compression..10 watts minimum

RF Connector: Type N female

RF Input Voltage: 1.0 milliwatt maximum for rated output

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Hughes 1077H11F000 18GHz - 26.5 GHz 1W Millimiterwave Amplifier

SKU: 2676-11

Frequency Range: 18 - 26.5 GHz

Impedance: 50 Ohms

Cost New:

Was:

Price Now:

$12,500.00

In Stock
LogiMetrics A710/CX TWT Power Amplifier 5 GHz - 10 GHz

SKU: 5144

Frequency Range: 5 Ghz to 10 Ghz

Output Power: 1,000 watts

Impedance: 50 Ω

VSWR: 2.5:1 max

Connector: N Type

Rise and Fall Time: 40 ns nominal

Applications: Radiated Immunity

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