25 Watt - 18 GHz, Bi-Directional RF Attenuators
25-18A Series, 25 Watt RF Power Attenuators are a valuable and reliable accessory for reducing power levels, for isolating components under test, for harmonic signal analysis, and as comparison standards. They are world renowned for their high-quality, robust construction and conservative power ratings.
Features
- Self cooling design, needs no cooling plate.
- Frequencies up to 18 GHz.
- Fully shielded against production of extraneous radiation.
- Attenuator require no AC power.
- Rugged construction.
- Broadband operation.
- Other attenuation values may be available upon request.
- Models to cover all LTE frequencies.
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Model Nomenclature
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Power Ratings
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Product Type
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Connector Gender
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Connectors*
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Attenuation Value
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25 Watt
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18A
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M/F = Male/Female
F/F = Female/Female
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N = N-Type
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10 = 10 dB
20 = 20 dB
30 = 30 dB
40 = 40 dB
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Example: 25-18A-MFN-10 (25 Watt, 18 GHz, Male/Female N Connector, 10 dB)
*Call or Request Information below for custom connector options not shown
Item Name
25 Watt 18 GHz Bi-Directional RF Attenuators
Power Rating
Power Rating: 25 Watts CW @ 25 C° (Bi-Directional)
- Derated Linearly to 5 Watts @ 125 C°
Peak Power: 500 Watts
Frequency Range and VSWR
1.20:1 from DC to 4 GHz
1.30:1 from 4 to 12.4 GHz
1.40:1 from 12.4 to 18 GHz
Coolant Method
Dry, Convection Cooled
Impedance Ω
50 Ohms (nominal)
Temperature
-65 to 125 °C (-85 to 257 °F)
Standard Attenuation Values
3, 6, 10, 20, 30, 40 dB
Dimensions - L x W x H
4.2 in x 2.3 in x 2.3 in (107 mm x 59 mm x 59 mm)
Finish
Black Anodized Aluminum