Fixed Coaxial Attenuators
Model 48
High Power Fixed Coaxial Attenuator
Type N or 3.5mm Connectors
TEMPERATURE RANGE:
-55°C to 125°C
TEST DATA:
Insertion loss test data supplied at 0.05, 4.0,
8.0, 12.4, 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.
3.5mm (Male/Female) connectors - mate nondestructively
with SMA per MIL-C-39012, 2.92mm and other 3.5mm
connectors.
Connector Options
1
2
3
4
dc to 18.0 GHz
100 Watts
RoHS
www.argosysales.com
800-542-4457
EXPRESS
Features
o
o
o
Designed to meet environmental requirements of
MIL-DTL-3933.
Low Intermodulation option available.
Rugged injection molded connectors.
Type/Description
3.5mm, Female
3.5mm, Male
Type N, Female
Type N, Male
CONSTRUCTION:
Black, finned aluminum body, stainless
steel connectors, gold plated beryllium copper contacts.
WEIGHT:
320 g (11 oz.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
Nominal
ATTN (dB)
6
10
20, 30, 40
MAXIMUM SWR:
48
+ 2.00
+ 2.00
+ 1.00
48 LIM
dc-8 GHz
8-18 GHz
---
+ 1.00
+ 1.00
---
+3.0/-0.0
+3.0/-0.0
Frequency
(GHz)
dc - 8
8 -12.4
12.4 - 18
6 dB
1.30
1:45
1.60
48
10 dB
1.40
1.40
1.55
48 LIM
20, 30, 40 dB
1.25
1.35
1.45
1.40
1.45
1.45
Connector
3.5mm Female
3.5mm Male
N Male
N Female
NOTE:
DIM A
13.2 (0.52)
14.0 (0.55)
24.1 (0.95)
19.0 (0.75)
POWER RATING (mounted horizontally):
100 watts
average (unidirectional)
to 25°C ambient temperature,
derated linearly to 10 watts @ 125°C. 1 kilowatt
peak
(5
μsec
pulse width; 5% duty cycle). Maximum power rating
into output port is 10 Watts average.
3rd ORDER INTERMODULATION (48-XX-XX-LIM only):
Reflected Levels (IM3), -90 dBc & Through Levels (IM3),
-100 dBc with two input signals @ 869 MHz and 891 MHz
with average carrier power levels of +43 dBm each.
POWER COEFFICIENT:
<0.00015 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
2. Unit available with RoHS compliant materials, specify when ordering.
MODEL NUMBER DESCRIPTION:
Example:
48 - XX - XX - LIM
IM Option*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
* Add -LIM to entire model number for Low Intermodulation option. Option
is not available through Express.
51
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.aeroflex.com/weinschel email: weinschel-sales@aeroflex.com
Revision Date: 11/23/10
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