Fixed Coaxial Attenuators
Model 3T
Model 4T
Ruggedized SMA Connectors
dc to 12.4 GHz
dc to 18.0 GHz
2 Watts
RoHS
www.argosysales.com
800-542-4457
EXPRESS
POWER RATING:
2 watts
average
to 25°C ambient
temperature, derated linearly to 0.5 watts at 125°C.
500 watts
peak
(5
μsec
pulse width; 0.2% duty cycle).
POWER COEFFICIENT:
< 0.005 dB/dB/watts
TEMPERATURE COEFFICIENT:
< 0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to +125°C
TEST DATA:
Swept data plots of attenuation and SWR from
50 MHz to 12.4 / 18 GHz is available at additional cost.
CONNECTORS:
SMA connectors per MIL-STD-348 inter-
face dimensions - mate nondestructively with SMA, 3.5mm,
SMK and other 2.92mm per MIL-C-39012.
CONSTRUCTION:
Passivated stainless steel body and
connectors; gold plated beryllium copper contacts.
WEIGHT (Both Models):
dB VALUE
1 - 12
20
30
40, 50, 60
WEIGHT (Net)
3.9 g (0.14 oz)
4.3 g (0.15 oz)
6.5 g (0.23 oz)
12.7 g (0.45 oz)
Features
o
o
o
o
Rugged injection molded connectors.
Designed to meet environmental requirements of
MIL-DTL-3933.
Small Package Size
Usable to 22 GHz.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
Model 3T:
Model 4T:
dc to 12.4 GHz
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
1-6
7 - 12
20
30, 40
50, 60
-9.25
-9.50
3T
+
+
+
+
+
0.30
0.30
0.50
0.75
1.00
+
+
+
+
+
4T
0.30
0.50
0.70
1.00
1.50
PHYSICAL DIMENSIONS:
Specification Limit
-9.75
-10.00
-10.25
Specification Limit
-10.50
-10.75
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
dB VALUE
1 -12
20
30
40, 50, 60
DIM A + 0.5 (0.02)
21.8
23.9
26.5
34.3
(0.86)
(0.94)
(1.04)
(1.35)
Typical Attenuation Performance of 4T-10
MAXIMUM SWR:
Frequency (GHz)
dc - 4
4-8
8 - 12.4
12.4 - 18
1.40
1.30
1.20
1.10
1.00
0.05
2.50
5.00
7.50
3T
1.15
1.20
1.25
---
4T
1.15
1.20
1.25
1.35
NOTE:
All dimensions are given in mm (inches) and are maximum,
unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
4T - XX
Specification
Basic
Model
Number
10.00
12.50
15.00
17.50
Attenuation
Value (dB)
Typical SWR of a Model 4T-10
26
5305 Spectrum Drive, Frederick, MD 21703-7362
s
TEL: 301-846-9222, 800-638-2048
s
Fax: 301-846-9116
web: www.aeroflex.com/weinschel
s
email: weinschel-sales@aeroflex.com
Revision Date: 8/24/2013
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