Fixed Coaxial Attenuators
Model 45
Model 58
High Power, N or SMK Connectors
Convection Cooled
dc to 1.5 GHz
dc to 6.0 GHz
250 Watts
RoHS
EXPRESS
800-542-4457
POWER RATING (mounted horizontally with fins
vertical):
250 watts
average (unidirectional)
to 55°C
ambient temperature, derated linearly to 25 watts @ 125°C.
10 kilowatt
peak
(5
μsec
pulse width; 1.25% duty cycle).
Maximum power rating into output port is 50 watts average.
POWER COEFFICIENT:
<0.0001 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 1.5 / 6 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 connectors.
Options
Description
Options Description
1
SMK Female
3
Type N Female
2
SMK Male
4
Type N Male
CONSTRUCTION:
Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
1,530 g (6 lbs, 3 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
www.argosysales.com
Features
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
Model 45:
Model 58:
dc to 1.5 GHz
dc to 6.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
3, 6
10, 20
30, 40
MAXIMUM SWR:
45
+ 0.50
+ 0.50
+ 0.50
Deviation (dB)
58
+ 1.50
+ 1.50
+ 1.75
58 LIM
---
+ 2.00
+ 3.00
Frequency (GHz)
dc - 2 (1.5*)
2-6
* Model 45 only!
45/58
Input
Output
1.10
1.15
1.20 (1.10*)
1.25
58 LIM
Input Output
1.20
1.20
1.25
1.25
Basic
Model
Number
*
58 - XX - XX
-
LIM
IM Option*
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
3rd ORDER INTERMODULATION (58-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.
PHYSICAL DIMENSIONS:
Add -LIM for Low Intermodulation option. Option only available with
Model 58 in 10, 20, 30, 40 dB and is not available through Express.
NOTE: All dimensions are given in mm (inches) and
are maximum, unless otherwise specified.
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)
68
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