TECHNICAL PRODUCT DATA

AT11 GPS Fixed AttenuatorFeatures
 Excellent Flat Response Pass DC or DC Block Supports GPS, Galileo & GLONASS - All Bands

Description
Designed specifically for use in all L-Band channels of Global Navigation Satellite Systems, including GPS, Galileo, GLONASS,and QZSS, the AT11 Fixed Attenuators provide a user specified attenuation from 2 to 40dB. The AT11 also includes the option
to pass the receive antenna LNA DC bias voltage through the device or to block the DC path to the antenna.
The AT11 attenuator comes with many available options to meet your specific needs. Please call, fax, email(sales@gpssource.com), or visit our website (www.gpssource.com) for further information on product options & specifications.

Description: AT11 GPS Fixed AttenuatorDoc. No.: 1540-TS-GPS-Attenuator-AT11-02
Date: 04/30/2013
www.gpssource.com

TECHNICAL PRODUCT DATA

AT11 GPS Fixed Attenuator
0Electrical Specifications, Operating Temperature -40 to 85 C
Parameter
Freq. Range
In/Out Imped.
Attenuation(1)Conditions
IN – OUT, IN/OUT-50Ω
IN, OUTIN – OUT, IN/OUT-50Ω

Input SWR
Output SWRGain Flatness
DC INAnt/Thru Current
Max RF Input

OUT Port - 50Ω
IN Port - 50Ω
|L1 - L2|, IN – OUT, IN/OUT-50Ω
DC Input on IN/OUT port
DC Input on IN/OUT port
Max RF input without damage

Min1-.5-Typ50
As
SpecifiedMax
2Units
GHz
Ω

+.5dB

1.5:1
1.5:1
0.5
25
250
10dB
VDCmAdBm

Notes: (1): Performance guaranteed for N(F) connectors

Page 2 of 564 N. Mission Drive
Pueblo, CO 81007
Tel: 719.561.9520 fax: 719.565.0890
Email: techsales@gpssource.com

Author: Preetha Sayuj
Department: R&D

Description: AT11 GPS Fixed AttenuatorDoc. No.: 1540-TS-GPS-Attenuator-AT11-02
Date: 04/30/2013
www.gpssource.com

TECHNICAL PRODUCT DATA

AT11 GPS Fixed Attenuator
Performance Data

AT11 Fixed Attenuation (Typical for 6dB)

Freq. Resp.
40

Atten. (dB)30
2010-5.83

0-6.234

-10

1638

1675

1713

1750

1788

1825

1863

1900

1938

1975

1675

1713

1750

1788

1825

1863

1900

1938

1975

1600

1638

1563

1525

1488

1450

1375

1413

1338

1300

1225

1263

1188

1113

1150

1075

1000

1038

-20

Frequency (MHz)SWR
87Atten. (dB)

654321.199

1.214
1600

1563

1525

1488

1450

1413

1375

1338

1300

1263

1225

1188

1150

1113

1075

1038

1000

1Frequency (MHz)Page 3 of 564 N. Mission Drive
Pueblo, CO 81007
Tel: 719.561.9520 fax: 719.565.0890
Email: techsales@gpssource.com

Author: Preetha Sayuj
Department: R&D

Description: AT11 GPS Fixed AttenuatorDoc. No.: 1540-TS-GPS-Attenuator-AT11-02
Date: 04/30/2013
www.gpssource.com

TECHNICAL PRODUCT DATA

AT11 GPS Fixed Attenuator
Available Options:
RF Connector Options:
Connector Options

Housing Options:
Housings

Port Options:
Pass DCDC BlockedNSMA
TNC

Connector Type
(Male & Female)(Male & Female)(Male & Female)

Limitations

Housing Type

Limitations

StandardMiniTiny

SMA Only

IN Port Passes DC
IN Port Blocks DC

Page 4 of 564 N. Mission Drive
Pueblo, CO 81007
Tel: 719.561.9520 fax: 719.565.0890
Email: techsales@gpssource.com

Author: Preetha Sayuj
Department: R&D

Description: AT11 GPS Fixed AttenuatorDoc. No.: 1540-TS-GPS-Attenuator-AT11-02
Date: 04/30/2013
www.gpssource.com

TECHNICAL PRODUCT DATA

AT11 GPS Fixed Attenuator
Part Number

AT11X– XX – SF
Product:Standard = None
Mini = M
Tiny = T
Custom Atten. Option:
XX = Desired Atten. Level
Connector* Options:
NM – N, MaleNF – N, Female
SM – SMA, MaleSF – SMA, Female
TM – TNC, MaleTF – TNC, Female*Other Connector options available for mini – call for details.
For help in creating the part number to meet your exact needs, contact us at Sales@gpssource.com or visit our website atwww.gpssource.com.

Page 5 of 564 N. Mission Drive
Pueblo, CO 81007
Tel: 719.561.9520 fax: 719.565.0890
Email: techsales@gpssource.com

Author: Preetha Sayuj
Department: R&D

Description: AT11 GPS Fixed AttenuatorDoc. No.: 1540-TS-GPS-Attenuator-AT11-02
Date: 04/30/2013
www.gpssource.com