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