ATT-278M-91-SMA-02 datasheet, PDF

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ATT-278M-91-SMA-02: DescriptionFixed Attenuator, 0MHz Min, 4000MHz Max; CategoryWireless rf/communication Radio frequency and microwave; File Size326KB，5 Pages; ManufacturerMidwest Microwave

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ATT-278M-91-SMA-02 Overview

Fixed Attenuator, 0MHz Min, 4000MHz Max

ATT-278M-91-SMA-02 Parametric

Parameter Name	Attribute value
Maker	Midwest Microwave
Reach Compliance Code	unknow
Other features	SMA-M, I/P POWER-MAX(PEAK)=200W
Nominal attenuation	21.5 dB
structure	COAXIAL
Maximum input power (CW)	33.01 dBm
Maximum operating frequency	4000 MHz
Minimum operating frequency
Maximum operating temperature	125 °C
Minimum operating temperature	-65 °C
RF/Microwave Device Types	FIXED ATTENUATOR
Maximum voltage standing wave ratio	1.07

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Attenuators

DC - 4.0 GHz

Male/Female

ATT-0278-XX-SMA-02

SMA Ultraminiature Type

Model Numbers

Male/Male

ATT-278M-XX-SMA-02

278 Series

Female/Female

ATT-278F-XX-SMA-02

XX = Attenuation Value: Select 01-30dB in 1dB increments

(.5 dB increments available)

DC - 2.0 GHz

Male/Female

ATT-0279-XX-SMA-02

279 Series

Female/Female

ATT-279F-XX-SMA-02

Model Numbers

Male/Male

ATT-279M-XX-SMA-02

XX = Attenuation Value: Select 01-30dB in 1dB increments

(.5 dB increments available)

DC - 26.5 GHz 3.5mm High Performance

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

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

VSWR:

1.07 + 0.015 f (GHz)

Frequency:

DC - 18.0, DC - 26.5 GHz

Power:

2 Watts Average @ +25

derated linearly to .5 watts @ +125

Attenuation Accuracy:

1-6 dB + 0.5 dB

Peak Power:

200 Watts

7-20 dB + 0.7 dB

Operating Temp Range:

- 65 to + 125C

Finish:

Passivated Stainless Steel

DC - 26.5 GHz

Male/Female

ATT-0550-XX-35M-02

550 Series

Female/Female

ATT-550F-XX-35M-02

Model Numbers

Male/Male

ATT-550M-XX-35M-02

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

26.5 GHz Extended Frequency Performance

XX = Attenuation Value: Select 01-20dB in 1dB increments

(.5 dB increments available)

Note: For DC - 18.0 GHz Model, subsitute "551" for "550" in Model No.

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