ATTENUATORS
TNC, up to 4 GHz, 300 Watts
SPECIFICATIONS:
Models: XT300W-XX, XT300W-XXF, XT300W-XXM
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
3 & 6 dB
10, 20 & 30 dB
40 dB
VSWR
3 ,1 0d
,6 0&2 B
30 & 40 dB
Input Power
Peak Power
Impedance
Operating Temp. Range
DC - 4.0 GHz
2.5 & 4 GHz
3, 6, 10, 20, 30 & 40 dB
2.5 - 4GHz
1.5 - 2.5GHz
±0.50 dB
±0.75 dB
±1.0 dB
±1.5 dB
±1.0 dB
±2.5 dB
1.25:1
1.25:1
1.35:1
1.50:1
DC - 1.5GHz
±0.50 dB
±0.75 dB
±0.75 dB
1. 5:1
1
1. 5:1
1
300 Watts Avg. @ +25°C
Derated Linearly to 60 Watts @ +1
o
C
25
2 kW Max.
(5uSec Pulse, .05% Duty Cycle)
50 Ohms
-54°C to +125°C
Passivated Stainless Steel
Gold Plated Beryllium Copper
Anodized Aluminum
Note: Units are unidirectional. Units must
be positioned in such a way as to allow free
air flow around fins to assure performance.
Mechanical:
TNC Connectors**
Mates with MIL
-STD-348
Conductors
Housing
** TNC Connectors are 18 GHz Mode Free.
Model Number:
XT300W-XX
Male/Female Connectors
Length: 8.52 ±. 0 [2
1 16.4 ±2.54]
1
Pictured
4.38±.07
[111.25±1.78]
8X .302 [Ø7.67]
THRU ONE FIN
THIS SIDE AND
OPPOSITE SIDE
2X 4.50
[114.3]
Model Number:
XT300W-XXF
Female/Female Connectors
Length: 8.62 ±. 0 [218.95 ±2.54]
1
6.25±.12
[158.75±3.05]
2X 5.70 [144.78]
Model Number:
XT300W-XXM
Male/Male Connectors
Length: 8.42 ±. 0 [2
1 13.87 ±2.54]
6.25±.12
[158.75±3.05]
Ordering Examples:
8.52±.10
[216.41±2.54]
HOW TO ORDER:
Model Number:
XT300W-XXY
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
Model Number:
4T300W-40F
DC - 4 GHz, 40 dB; TNC - Fem/Fem
Model Number:
2T300W-30M
DC - 2.5 GHz, 30 dB; TNC - Male/Male
Freq. Range
2 = DC - 2.5 GHz
4 = DC - 4 GHz
dB Value
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
Design, specifications are subject to change without notice. Contact factory for technical
specifications before purchasing and/or use.
XT300W-ATT: REV E
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
