Fixed Coaxial Attenuators
Model 44
Lab Standard Fixed Coaxial Attenuator
dc to 18.0 GHz
5 Watts
Lab Standard N Connectors
POWER RATING: 5 watts average to 25°C ambient
temperature, derated linearly to 4 watts @ 45°C, 3 watts @
65°C, and 2 watts @ 85 °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: -50°C to +85°C
TEST DATA: Insertion loss and SWR data supplied at 0.05,
4, 8, 12 and 18 GHz. Other test data available at
additional cost.
CONNECTORS: Precision Type N per MIL-STD-348 inter-
face dimensions - mate nondestructively with MIL-C-39012
connectors. Coupling Torque: 14 + 1 in/lbs.
EXPRESS
www.argosysales.com
800-542-4457
Features
o
o
Precision Connectors
Test data - A certificate of test supplied with each
attenuator.
o
o
Hex Nut Connector - Allows for use of a torque
wrench to improve connector repeatability.
Designed to meet environmental requirements of
MIL-DTL-3933.
CONSTRUCTION: Brass Body (plated) and Stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
Specifications
dB VALUE
1 - 10, 20, 30
40, 50, 60
WEIGHT (Net)
100 g (3.5 oz)
140 g (4.5 oz)
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dc to 18.0 GHz
PHYSICAL DIMENSIONS:
MAXIMUM DEVIATION OVER FREQUENCY:
DIM "A" MAX
Nominal ATTN (dB)
Deviation (dB)
3/4 HEX
1 -9
10, 20
30, 40
50
+ 0.30
+ 0.50
+ 1.00
+ 1.25
+ 1.50
Ø 16.26 (.64)
MAX TYP
Ø 22.35 (.88)
MAX
60
+.000
5.26
(.207
NAME PLATE TYP
-.076
-5.5
+.000
)
Specification Limit
-.003
-5.7
-5.9
-6.1
-6.3
-6.5
+.000
5.28
(.208
-.076
+.000
-.003
)
Specification Limit
10.00
dB VALUE
DIM A
STD
Prefix M
Prefix F
0.05
2.50
5.00
7.50
12.50
15.00
17.50
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)
Typical Attenuation Accuracy of a 44-6
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MAXIMUM SWR:
MODEL NUMBER DESCRIPTION:
Example:
Frequency (GHz)
SWR
dc - 4
4 - 12.4
12.4 - 18
1.15
1.20
1.25
*44 - XX
Basic
Attenuation
Value (dB)
1.40
Model
Number
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
33
5305 Spectrum Drive, Frederick, MD 21703-7362 ꢀ TEL: 301-846-9222, 800-638-2048 ꢀ Fax: 301-846-9116
web: www.aeroflex.com/weinschel ꢀ email: weinschel-sales@aeroflex.com
Revision Date: 1/18/10