ATTENUATORS
TNC, up to 18 GHz, 25 Watts
SPECIFICATIONS:
Models: XXT25W-XX, XXT25W-XXF & XXT25W-XXM
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
DC - 18.0 GHz
6, & 18 GHz
3, 6, 10, 20, 30 & 40 dB
2.65 .ꢀ2
[67.31 ꢀ.51ꢁ
SQUARE
Attenuation Accuracy
3 - 6 dB
ꢀ - 20 dB
21 - 30 d B
31 - 4 0 d B
DC - 6 GHz
0.30 dB
0.50 dB
0.ꢀ5 dB
1.00 dB
6 - 12.4 GHz
12.4 - 18 GHz
0.ꢀ5 dB
0.50 dB
0.ꢀ5 dB
1.00 dB
1.25 dB
1.00 dB
1.25 dB
1.50 dB
VSWR
DC - 6 GHz
6 - 12.4 GHz
12.4 - 18 GHz
Input Power
1.20:1 Max.
1.30:1 Max.
1.40:1 Max.
25 Watts Avg. @ 25°C
Derated Linearly to 5 Watts @ +125oC
Peak Power
500 Watts Max.
(5uSec Pulse, .05% Duty Cycle)
Impedance
50 Ohms
Operating Temp Range
-65°C to +125°C
END VIEW
TYPICAL
Mechanical:
TNC Connectors**
Passivated Stainless Steel
Mates with MIL-STD-348
Units must be Mounted in such a way as to
Allow for Free Air Flow Around fins to Insure
Performance
Conductors
Housing
Gold Plated Beryllium Copper
Anodized Aluminum
**TNC Connectors are 18 GHz Mode-Free
4.65 .05
[1181. 1 1.2ꢀ]
Model Number: XXT25W-XX
Male/Female Connectors
Pictured
1.25
[31.ꢀ5]
Model Number: XXT25W-XXF
Female/Female Connectors
Length: 4.ꢀ5 .05 [120.ꢀ 1.3]
Model Number: XXT25W-XXM
Male/Male Connectors
.25 [6.35]
2X M4x0.ꢀTAP
Length: 4.56 .05 [115.82 1.3]
2X 8-32UNC-2B TAP
x .50[12.ꢀ] DP.
x .50[12.ꢀ] DP.
HOW TO ORDER:
Ordering Examples:
Model Number: 18T25W-2ꢀ
Model Number: XXT25W-XXY
DC - 18 GHz; 20 dB; TNC - Male/Fem
Freq. Range
6 = DC - 6 GHz
18 = DC - 18 GHz
Connector Configuration
= Male/Female
Model Number: 6T25W-ꢀ2F
DC - 6 GHz; 2 dB; TNC - Fem/Fem
F = Fem/Fem
M = Male/Male
dB Value
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
*Other dB units are also available. Units that operate over a more specific frequency band
and/or offer very low return loss (VSWR) are also available.
XXT25W-ATT: REV M (M)
Aeroflex / Inmet, Inc. • 300 Dino Drive, Ann Arbor, MI 48103 • U.S.A.
888-244-6638 or ꢀ34-426-5553 • FAX: ꢀ34-426-555ꢀ
www.aeroflex.com/inmet • inmetsales@aeroflex.com
