Model 44 Lab Standard Attenuators, Type N, dc

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 temperature, 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
EXPRESS
TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C
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TEMPERATURE RANGE: -55°C to +125°C
800-542-4457
Features
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 18 GHz.
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CONNECTORS: Precision Type N per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C-39012
connectors. Coupling Torque: 14 + 1 in/lbs.
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.
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CONSTRUCTION: Brass Body (plated) and Stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dB VALUE
WEIGHT (Net)
1 - 10, 20, 30
40, 50, 60
100 g (3.5 oz)
140 g (4.5 oz)
PHYSICAL DIMENSIONS:
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
60
+
+
+
+
+
0.30
0.50
1.00
1.25
1.50
Ø 22.35 (.88)
MAX
Ø 16.26 (.64)
MAX TYP
5.26 +.000
-.076
(.207 +.000
-.003 )
NAME PLATE TYP
5.28 +.000
-.076
(.208 +.000
-.003 )
-5.5
Specification Limit
-5.7
-5.9
dB VALUE
-6.1
-6.3
Specification Limit
0-10, 20, 30
40, 50, 60
-6.5
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
Typical Attenuation Accuracy of a 44-6
NOTE:
MAXIMUM SWR:
Prefix M
DIM A
STD
Prefix F
76.2 (3.0)
86.4 (3.4)
76.2 (3.0)
86.4 (3.4)
77.7 (3.06)
87.9 (3.46)
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Frequency (GHz)
SWR
dc - 4
4 - 12.4
12.4 - 18
1.15
1.20
1.25
Example:
*44 - XX
Basic
Model
Number
1.40
1.30
Specification
Attenuation
Value (dB)
*Add Prefix M for double male or F for double female connectors.
1.20
1.10
1.00
0.05
2.50
5.00
7.50
10.00
Typical SWR of a 44-6
12.50
15.00
17.50
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: [email protected]
Revision Date: 9/30/2012