5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.weinschel.com email: sales@weinschel.com
46
10/23/01
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. IM
specification at J2 limited to 10 Watts of input power.
Frequency (GHz) SWR
dc - 4 1.20
4 - 8.5 1.30
Model 33 dc to 8.5 GHz
Medium Power Fixed Coaxial Attenuators 25 Watts
Bi-directional Design!
Specifications
NOMINAL IMPEDANCE: 50
FREQUENCY RANGE: dc to 8.5 GHz
MAXIMUM SWR:
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
Typical SWR of a 33-10-34
Specification Limit
Specification Limit
-10.75
-10.50
-10.25
-10.00
-9.75
-9.50
-9.25
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
Features
oQuality Connectors
with special high temperature support beads.
oDesigned to meet environmental requirements of
MIL-A-3933.
oLow Intermodulation option available.
oMode free operation to 10 GHz.
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
33 - 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): 25 watts
average (bi-directional) to 25°C ambient temperature,
derated linearly to 2.5 watts @ 125°C. Note: 3 dB model
can handle 50 Watts average (bi-directional). 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
CALIBRATION: Insertion loss test data supplied at 0.05,
4.0, and 8.0 GHz. Other test data can be provided at
additional cost.
CONNECTORS: Type N & SMA connectors per MIL-STD-
348 interface dimensions - mate nondestructively with
MIL-C-39012 connectors.
Options Description Options Description
1 SMA Female 3 Type N, Female
2 SMA Male 4 Type N, Male
CONSTRUCTION: Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT: 170 g (6 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.
Available in only 10, 20, 30 dB and is not available through Express.
IM Option**
Nominal dc-4 GHz 4 - 8.5 GHz
ATTN (dB) 33 33-LIM 33 33-LIM
3, 6 + 0.30 - - - + 0.60 - - -
10, 20 + 0.30 + 0.40 + 0.60 + 0.70
30 + 0.60 + 0.70 + 1.00 + 1.20
MAXIMUM DEVIATION OVER FREQUENCY (dB):
Connector DIM A Connector DIM A
N Male 22.9 (0.90) SMA Female 14.0 (0.55)
N Female 15.0 (0.59) SMA Male 12.7 (0.50)