Fixed Coaxial Attenuators
Model 44
Lab Standard, Precision N Connectors
dc to 18.0 GHz
5 Watts
POWER RATING:
5 watts
average
@ 25°C ambient tem-
perature, derated linearly to 0.5 watt @ 125°C.
1 kilowatt
peak
(5
μsec
pulse width; 0.25% duty cycle)
www.argosysales.com
800-542-4457
EXPRESS
POWER COEFFICIENT:
<0.005 dB/dB/Watt
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 18 GHz.
CONNECTORS:
Precision Type N per MIL-STD-348 inter-
face dimensions - mate nondestructively with MIL-C-39012
connectors. Coupling Torque: 14 + 1 in/lbs.
CONSTRUCTION:
Brass Body (plated) and Stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
dB VALUE
1 - 10, 20, 30
40, 50, 60
PHYSICAL DIMENSIONS:
DIM "A" MAX
3/4 HEX
Features
o
o
o
o
Precision Connectors
Test data
- A certificate of test supplied with each
attenuator.
Hex Nut Connector
- Allows for use of a torque
wrench to improve connector repeatability.
Designed to meet environmental requirements of
MIL-DTL-3933.
WEIGHT (Net)
100 g (3.5 oz)
140 g (4.5 oz)
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
1 -9
10, 20
30, 40
50
60
-5.5
-5.7
-5.9
-6.1
-6.3
-6.5
0.05
2.50
5.00
7.50
10.00
Deviation (dB)
+
+
+
+
+
0.30
0.50
1.00
1.25
1.50
Ø 22.35 (.88)
MAX
Ø 16.26 (.64)
MAX TYP
NAME PLATE TYP
5.28
+.000
-.076
(.208
+.000
)
-.003
5.26
+.000
-.076
(.207
+.000
)
-.003
Specification Limit
dB VALUE
Specification Limit
Prefix M
12.50
15.00
17.50
DIM A
STD
76.2 (3.0)
86.4 (3.4)
Prefix F
77.7 (3.06)
87.9 (3.46)
0-10, 20, 30
40, 50, 60
NOTE:
76.2 (3.0)
86.4 (3.4)
Typical Attenuation Accuracy of a 44-6
MAXIMUM SWR:
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Frequency (GHz)
dc - 4
4 - 12.4
12.4 - 18
1.40
1.30
SWR
1.15
1.20
1.25
Example:
*44 - XX
Basic
Model
Number
Attenuation
Value (dB)
Specification
1.20
1.10
1.00
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
*Add Prefix M for double male or F for double female connectors.
Typical SWR of a 44-6
ATTENUATOR SET (AS-18):
Model 44 is also available in
a Attenuator Set which includes six different attenuators
(1, 3, 6, 10, 20, 30 dB). Refer to Attenuator Sets data sheet
for more information.
37
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: 9/30/2012
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