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)
POWER COEFFICIENT: <0.005 dB/dB/Watt
TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to +125°C
EXPRESS
www.argosysales.com
800-542-4457
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 18 GHz.
Features
CONNECTORS: Precision Type N per MIL-STD-348 inter-
face dimensions - mate nondestructively with MIL-C-39012
connectors. Coupling Torque: 14 + 1 in/lbs.
o
o
Precision Connectors
Test data - A certificate of test supplied with each
attenuator.
CONSTRUCTION: Brass Body (plated) and Stainless steel
o
o
Hex Nut Connector - Allows for use of a torque
connectors; gold plated beryllium copper contacts.
wrench to improve connector repeatability.
WEIGHT:
Designed to meet environmental requirements of
MIL-DTL-3933.
dB VALUE
WEIGHT (Net)
1 - 10, 20, 30
40, 50, 60
PHYSICAL DIMENSIONS:
100 g (3.5 oz)
140 g (4.5 oz)
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dc to 18.0 GHz
DIM "A" MAX
3/4 HEX
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
Deviation (dB)
1 -9
10, 20
30, 40
50
+ 0.30
+ 0.50
+ 1.00
+ 1.25
+ 1.50
Ø 22.35 (.88)
MAX
Ø 16.26 (.64)
MAX TYP
+.000
5.26
(.207
NAME PLATE TYP
-.076
60
+.000
)
-.003
+.000
5.28
(.208
-.076
+.000
-.003
-5.5
)
Specification Limit
-5.7
-5.9
-6.1
-6.3
-6.5
dB VALUE
DIM A
STD
Prefix M
Prefix F
Specification Limit
10.00
0-10, 20, 30
40, 50, 60
76.2 (3.0)
86.4 (3.4)
76.2 (3.0)
86.4 (3.4)
77.7 (3.06)
87.9 (3.46)
0.05
2.50
5.00
7.50
12.50
15.00
17.50
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
Typical Attenuation Accuracy of a 44-6
MAXIMUM SWR:
MODEL NUMBER DESCRIPTION:
Example:
Frequency (GHz)
SWR
dc - 4
1.15
1.20
1.25
*44 - XX
4 - 12.4
12.4 - 18
Basic
Model
Number
Attenuation
Value (dB)
1.40
1.30
1.20
1.10
1.00
Specification
*Add Prefix M for double male or F for double female connectors.
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.
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
Typical SWR of a 44-6
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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