Fixed Coaxial Attenuators
Model 33
Medium Power, N or SMK Connectors
Bi-directional Design!
dc to 8.5 GHz
25 Watts
RoHS
ꢀ
POWER RATING (mounted horizontally): 25 watts
average (bi-directional) to 25°C ambient temperature,
derated linearly to 2.5 watts @ 125°C. 5 kilowatt peak (5
μsec pulse width; 0.25% duty cycle).
EXPRESS
www.argosysales.com
800-542-4457
POWER COEFFICIENT: <0.0006 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55 °C to 125 °C
Features
TEST DATA: Swept data plots of attenuation and SWR
o
Quality Connectors with special high temperature
support beads.
from 50 MHz to 8.5 GHz.
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors. SMK (2.92mm) connectors - mate
nondestructively with SMA per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm. Female 2.92mm connector NOT RoHS
compliant.
o
Designed to meet environmental requirements of
MIL-DTL-3933.
o
o
Low Intermodulation option available.
Mode free operation to 10 GHz.
Specifications
NOMINAL IMPEDANCE: 50 Ω
Options Description
Options
Description
1
2
SMK Female
SMK Male
3
4
Type N, Female
Type N, Male
FREQUENCY RANGE:
dc to 8.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
CONSTRUCTION: Black, finned aluminum body, gold
plated beryllium copper contacts.
Nominal
33
4 - 8.5 GHz
33-LIM
dc-4 GHz 4 - 8.5 GHz
ATTN (dB)
dc-4 GHz
WEIGHT: 170 g (6 oz.) maximum
3, 6
10, 20
30
+ 0.30
+ 0.30
+ 0.60
+ 0.60
+ 0.60
+ 1.00
- - -
+ 0.40
+ 0.70
- - -
+ 0.70
+ 1.20
PHYSICAL DIMENSIONS:
-9.25
Specification Limit
-9.50
-9.75
-10.00
-10.25
-10.50
-10.75
Specification Limit
0.05
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
Typical Attenuation Accuracy of a 33-10-34
MAXIMUM SWR:
Frequency (GHz)
dc - 4
4 - 8.5
SWR
1.20
1.30
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
Connector
2.92mmꢀMale
2.92mm Female 12.7 (0.50)
DIM A
14.0 (0.55)
NOTE: All dimensions are given in mm (inches) and are maximum,
unless otherwise specified.
1.40
1.30
1.20
1.10
1.00
MODEL NUMBER DESCRIPTION:
Example:
Specification
33 - XX - XX* - LIM
0.05
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
IM Option**
Typical SWR of a 33-10-34
Connector Options
1st digit is J1 side
2nd digit is J2 side
Attenuation
Value (dB)
Basic
Model
Number
3rd ORDER INTERMODULATION (33-XX-XX-LIM Only):
Reflected Levels (IM3), -100 dBc and ThroughꢀLevels (IM3),
-110 dBc with two input signals @ 869 MHz and 891 MHz
with average carrier power levels of +41 dBm each.
*Unit is bi-directional & full power may be applied to either J1 or J2.
**Add -LIMꢀto entire model number for Low Intermodulation option.
Available in only 10, 20, 30 dB and is not available through Express.
51
51
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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