17
Attenuators SMA Ultraminiature Type
Extended Frequency Performance
0 - 20 dB Attenuation Values
3.5 mm Precision Connectors (mates with SMA)
Small Size - Light Weight
Any Male/Female Connector Configuration
Rugged Stainless Steel Construction
DC - 26.5 GHz 3.5mm High Performance
Midwest Microwave's 3.5 mm subminiature series of precision fixed coaxial attenuators provide extended frequency
operation of up to 26.5 GHz when mated with connector interfaces of the same family. These temperature stable, ruggedly
built, precision attenuators allow high performance in a very small light weight package size. Attenuation values up through
20 dB in 1 dB increments are available with any combination of female or male 3.5mm connectors.
SPECIFICATIONS - HIGH PERFORMANCE
Frequency: DC - 18.0, DC - 26.5 GHz
Attenuation Accuracy: 1-6 dB + 0.5 dB
7-20 dB + 0.7 dB
Operating Temp Range: - 65 to + 125C
VSWR: 1.07 + 0.015 f (GHz)
Power: 2 Watts Average @ +25 oC
derated linearly to .5 watts @ +125 oC
Peak Power: 200 Watts
Finish: Passivated Stainless Steel
Note: dimensions shown above are for the Male/Female
version. The length for the Female/Female version is
1.33 and for the Male/Male version is 1.39.
1.36
Note: For DC - 18.0 GHz Model, subsitute "551" for "550" in Model No.
DC - 26.5 GHz 550 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0550-XX-35M-02 ATT-550F-XX-35M-02 ATT-550M-XX-35M-02
XX = Attenuation Value: Select 01-20dB in 1dB increments
(.5 dB increments available)
26.5 GHz Extended Frequency Performance
DC - 4.0 GHz 278 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0278-XX-SMA-02 ATT-278F-XX-SMA-02 ATT-278M-XX-SMA-02
XX = Attenuation Value: Select 01-30dB in 1dB increments
(.5 dB increments available)
DC - 2.0 GHz 279 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0279-XX-SMA-02 ATT-279F-XX-SMA-02 ATT-279M-XX-SMA-02
XX = Attenuation Value: Select 01-30dB in 1dB increments
(.5 dB increments available)
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BNC-3055-59-000-10
Female BNC Nickel
Connector Flexible Crimp
Contact
RG55,RG142,RG223,RG400
cable
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All rights reserved. ©2002 Midwest Microwave
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