5305 Spectrum Drive, Frederick, MD 21703-7362
TEL: 301-846-9222, 800-638-2048
Fax: 301-846-9116
web: www.aeroflex-weinschel.com
email: sales@aeroflex-weinschel.com
44
Revision Date: 12/15/04
Fixed Coaxial Attenuators
Connector
DIM A
Connector
DIM A
N Male
22.9 (0.90)
2.92mm Male
14.0 (0.55)
N Female
15.0 (0.59)
2.92mm Female
12.7 (0.50)
Frequency (GHz)
SWR
dc - 4
1.20
4 - 8.5
1.30
Model 24
dc to 8.5 GHz
Medium Power Fixed Coaxial Attenuator
50 Watts
Bi-Directional Design!
Specifications
NOMINAL IMPEDANCE: 50
FREQUENCY RANGE:
dc to 8.5 GHz
MAXIMUM SWR:
Typical SWR of a 24-10-34
-11.00
-10.75
-10.50
-10.25
-10.00
-9.75
-9.50
-9.25
-9.00
0.05
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
Specification Limit
Typical Attenuation Accuracy of a 24-10-34
Features
o Designed to meet environmental requirements of
MIL-A-3933.
o Low Intermodulation option available.
o Mode free operation to 10 GHz.
NOTE:
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
24 - XX - XX* - LIM
Basic Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
POWER RATING (mounted horizontally): 50 watts
average
(bi-directional) to 25°C ambient temperature,
derated linearly to 2.5 watts @ 125°C. Note: 3 dB model
can handle 100 Watts average (bi-directional). 5 kilowatt
peak (5
sec pulse width; 0.5% duty cycle).
POWER COEFFICIENT: <0.0003 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 125°C
TEST DATA: Insertion loss test data supplied at 0.05, 4.0,
and 8.5 GHz. Other test data can be provided at
additional cost.
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012
connectors.
2.92mm
connectors
-
mate
nondestructively with SMA per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm.
Options
Description
Options
Description
1
2.92mm, Female
3
Type N, Female
2
2.92mm, Male
4
Type N, Male
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT: 280 g (10 oz.) maximum
PHYSICAL DIMENSIONS:
*Unit is bi-directional & full power may be applied to either J1 or J2.
**Add -LIM to entire model number for Low Intermodulation option. Option
only available in 10, 20, 30, 40 dB and is not available through Express.
Nominal
dc-4 GHz
4 - 8.5 GHz
ATTN (dB)
24
24-LIM
24
24-LIM
3, 6
+ 0.40
- - -
+ 0.75
- - -
10, 20
+ 0.40
+ 0.50
+ 0.75
+ 1.00
30, 40
+ 0.60
+ 0.70
+ 1.00
+ 1.25
MAXIMUM DEVIATION OVER FREQUENCY (dB):
IM Option**
3rd ORDER INTERMODULATION (24-XX-XX-LIM only!):
Reflected Levels (IM3), -100 & Through Levels (IM3), -110
dBc with two input signals @ 869 MHz and 891 MHz with
average carrier power levels of +43 dBm each. Option only
available 10, 20, 30, 40 dB. IM specification at J2 limited to
20 Watts of input power.
1.00
1.10
1.20
1.30
1.40
0.05
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
Specification
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800-542-4457