ATTENUATORS
TNC, up to 18 GHz, 2 Watts
SPECIFICATIONS:
Models: T
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
0 - 6 dB
7 - 20 dB
2 - 30 dB
1
3 - 60 dB
1
VSWR
DC - 4 GHz
4 - 8 GHz
8 - 1 GHz
2.4
1
2.4 - 18 GHz
Input Power
Peak Power
Impedance
Operating Temp Range
DC - 18 GHz
1 & 18 GHz
2.4
0 - 10, 1 15, 20, 30, 40, 50 & 60 dB
2,
In 1 dB Increments
±0.3 dB
±0.5 dB
±0.75 dB
±1.5 dB
1. 5:1 Max
1
1.20:1 Max
1.25:1 Max
1.35:1 Max
2 Watts Avg. @ 25°C
Derated Linearly to 0.5 Watts @ +1 C
25
o
LENGTH
SEE TABLE
250 Watts Max.
(5uSec Pulse, .05% Duty Cycle)
50 Ohms
-65°C to +125°C
Passivated Stainless Steel
Gold Plated Beryllium Copper
Mechanical:
**TNC Connectors
Mates with MIL
-STD-348
Ø.56
[14.2]
Conductors
**18 GHz Mode Free
Base Model
Number
XXT-YY
XXT-YYM
XXT-YYF
Connector
Configuration
Male/Female
Male/Male
Female/Female
LENGTH
0 - 30 & 40 dB
3 - 60 dB (Except 40dB)
1
Inches
Millimeters
Inches
Inches
Millimeters
Millimeters
[59.7 ±1.3]
[52.5 ±1.3]
2.07 ±.05
2.35 ±.05
[57 ±1.5]
.4
[50.0 ±1.5]
1.97 ±.06
2.26 ±.06
[62.2 ±1.3]
[54.9 ±1.3]
2.45 ±.05
2. 6 ±.05
1
HOW TO ORDER:
Model Number:
XXT-XXY
Freq. Range
1 = DC - 1 GHz
2
2.4
18 = DC - 18 GHz
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
dB Value
Ordering Examples:
Model Number:
18T-20
DC - 18 GHz; 20 dB; TNC - Male/Fem
Model Number:
18T-6F
DC - 18 GHz; 6 dB; TNC - Fem/Fem
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
*Other dB values, units that operate over a more specific frequency band and/or offer very low
return loss (VSWR) are available.
18T-ATT: REV L
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