Fixed Coaxial Attenuators
Model 47
Medium Power Fixed Coaxial Attenuator
Type N Connectors
E
X P R E S S
800-542-4457
dc to 18.0 GHz
50 Watts
POWER COEFFICIENT:
<0.0003 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 125°C
TEST DATA:
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.
www.sicklesonline.com
Features
o
o
o
Designed to meet environmental requirements of
MIL-A-3933.
Low Intermodulation option available.
Rugged injection molded connector dielectric.
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
3.5mm Connectors - mate nondestructively with SMA per
MIL-C-39012, 2.92mm and other 3.5mm connectors.
Options
1
2
Description
3.5mm Female
3.5mm Male
Options
3
4
Description
Type N Female
Type N Male
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
CONSTRUCTION:
Black, finned aluminum body, stainless
steel connectors with gold plated beryllium copper contacts.
WEIGHT:
175 g (6 oz.) maximum
PHYSICAL DIMENSIONS:
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
3, 6
10, 20
30, 40
47
+ 0.75
+ 0.75
+ 1.00
47 LIM
dc-8 GHz
8-18 GHz
---
+ 0.75
+ 0.75
---
+2.0/-0.5
+2.0/-0.5
MAXIMUM SWR:
Frequency (GHz)
dc - 8
8 -12.4
12.4 - 18
3, 6 dB
1.25
1.35
1.45
10, 20, 30, 40 dB
1.20
1.25
1.35
Connector
N Male
N Female
NOTE:
DIM A
24.1 (0.95)
19.0 (0.75)
Connector
3.5mm Female
3.5mm Male
DIM A
14.0 (0.55)
13.2 (0.52)
3rd ORDER INTERMODULATION (47-XX-XX-LIM ONLY:
Reflected Levels (IM3), -90 & Through Levels (IM3), -100
dBc with two input signals @ 869 MHz and 891 MHz with
average carrier power levels of +43 dBm each. Option only
available 10, 20, 30, 40 dB.
POWER RATING (mounted horizontally):
50 watts
average (unidirectional)
to 25°C ambient temperature,
derated linearly to 5 watts @ 125°C. Note: 3 dB model can
handle 100 Watts
average (unidirectional).
1 kilowatt
peak
(5
μsec
pulse width; 2.5% duty cycle). Maximum
power rating into output port is 10 Watts average.
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
47 - 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 for Low Intermodulation option. Option only available in 10,
20, 30 and 40 dB and is not available through Express.
46
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.aeroflex-weinschel.com email: sales@aeroflex-weinschel.com
Revision Date: 11/10/05
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