SPECIFICATIONS:
Models:
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
18T-ATT: REV L
SPECIFICATIONS:
Models: T
ATTENUATORS
TNC, up to 18 GHz, 2 Watts
*Other dB values, units that operate over a more specific frequency band and/or offer very low
return loss (VSWR) are available.
Model Number:
HOW TO ORDER:
18=DC-18GHz
12 = DC - 12.4 GHz
Freq. Range
XXT-XXY
dB Value
Ordering Examples:
Model Number:
DC - 18 GHz; 20 dB; TNC - Male/Fem
Model Number:
DC - 18 GHz; 6 dB; TNC - Fem/Fem
Connector Configuration
M = Male/Male
F = Fem/Fem
= Male/Female
18 T-2 0
18T-6F
Female/Female
Male/Male
Male/Female
Configuration
Connector
XXT-YYF
Base Model
Number
XXT-YYM
XXT-YY
InchesInches
[54.9 ±1.3]
2.16 ±.05
0-30&40dB
1.97 ±.06
2.07 ±.05
Inches Millimeters
[52.5 ±1.3]
[50.0 ±1.5]
LENGTH
MillimetersMillimeters
31 - 60 dB (Except 40dB)
2.45 ±.05
2.26 ±.06
2.35 ±.05
[62.2 ±1.3]
[57.4 ±1.5]
[59.7 ±1.3]
LENGTH
SEE TABLE
Ø.56
[14.2]
Mechanical:
Electrical:
Mates with MIL-STD-348
In 1 dB Increments
Derated Linearly to 0.5 Watts @ +125 C
(5uSec Pulse, .05% Duty Cycle)
o
Gold Plated Beryllium Copper
Standard dB Values*
**TNC Connectors
Operating Temp Range
Conductors
Peak Power
Impedance
Attenuation Accuracy
0-6dB
7 - 20 dB
31 - 6 0 d B
VSWR
Input Power
21 - 3 0 d B
Frequency Range
0-10,12,15,20,30,40,50&60dB
Passivated Stainless Steel
250 Watts Max.
-65°C to +125°C
50 Ohms
±1.5 dB
±0.75 dB
2 Watts Avg. @ 25°C
±0.5 dB
±0.3 dB
DC - 18 GHz
1.35:1 Max
1.25:1 Max
1.20:1 Max
1.15:1 Max
12.4 - 18 GHz
4 - 8 GHz
8 - 12.4 GHz
DC - 4 GHz
12.4 & 18 GHzStandard Freq. Values
**18 GHz Mode Free
Aeroflex / Inmet, Inc. 300 Dino Drive, Ann Arbor, MI 48103 • U.S.A.
888-244-6638 or 734-426-5553 FAX: 734-426-5557
www.aeroflex-inmet.com • inmetsales@aeroflex.com
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