Weinschel
C O R P O R A T I O N
Model 46
Medium Power Fixed Coaxial Attenuators
Bi-directional Design
dc to 18.0 GHz
25 Watts
POWER RATING (mounted horizontally):
25 watts
aver-
age (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).
1 kilowatt
peak
(5
µsec
pulse width; 1.25% duty cycle).
POWER COEFFICIENT:
<0.0006 dB/dB/watt
Features
o
o
o
Designed to meet environmental requirements of
MIL-A-3933.
Rugged injection molded connector dielectric.
Low Intermodulation option available.
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, 8.0, 12.0, and 18.0 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.
Connector Options
3
4
Type/Description
Type N, Female
Type N, Male
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 10
20
30, 40
-9.25
-9.50
-9.75
-10.00
-10.25
-10.50
-10.75
0.05
2.50
5.00
7.50
Specification Limit
Specification Limit
Deviation (dB)
+ 0.50
+ 0.75
+ 1.00
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT:
110 g (4 oz.) maximum
PHYSICAL DIMENSIONS:
10.00
12.50
15.00
17.50
Typical Attenuation Accuracy of a 46-10-34
MAXIMUM SWR:
Frequency (GHz)
dc - 8
8 -12.4
12.4 - 18
SWR
1.20
1.25
1.35
NOTE:
Connector
N Male
N Female
DIM A
24.1 (0.95)
19.0 (0.75)
1.40
1.30
1.20
1.10
1.00
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
Specification
MODEL NUMBER DESCRIPTION:
Example:
Typical SWR of a 46-10-34
INTERMODULATION (46-XX-XX-LIM Only!):
3rd Order
Through Levels (IM3), -110 dBc maximum with two input
signals @ 869 MHz and 891 MHz with average carrier
power levels of +41 dBm each.
Basic
Model
Number
46 - XX - XX* - LIM
Attenuation
Value (dB)
IM Option**
Connector Options
1st digit is J1 side
2nd digit is J2 side
*Unit is bi-directional & full power may be applied to either J1 or J2.
**Add -LIM for Low Intermodulation option.
44
5/4/00
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