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18N-4M

Description
Fixed Attenuator, 0MHz Min, 18000MHz Max, ROHS COMPLIANT PACKAGE
CategoryWireless rf/communication    Radio frequency and microwave   
File Size41KB,1 Pages
ManufacturerCobham PLC
Environmental Compliance
Download Datasheet Parametric View All

18N-4M Overview

Fixed Attenuator, 0MHz Min, 18000MHz Max, ROHS COMPLIANT PACKAGE

18N-4M Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
Is SamacsysN
Other featuresN-M, I/P POWER-MAX(PEAK)=250W
Nominal attenuation4 dB
Characteristic impedance50 Ω
structureCOAXIAL
Maximum input power (CW)33.01 dBm
JESD-609 codee4
Maximum operating frequency18000 MHz
Minimum operating frequency
Maximum operating temperature125 °C
Minimum operating temperature-65 °C
RF/Microwave Device TypesFIXED ATTENUATOR
Terminal surfaceGOLD
Maximum voltage standing wave ratio1.35
Base Number Matches1
ATTENUATORS
Type N, up to 18 GHz, 2 Watts
SPECIFICATIONS:
Models: N
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
0 - 6 dB
7 - 20 dB
2 - 30 dB
1
3 - 60 dB
1
VSWR
DC - 4 GHz
4 - 8 GHz
8 - 1 GHz
2.4
1
2.4 - 18 GHz
Input Power
Peak Power
Impedance
Operating Temp Range
DC - 18 GHz
2.5, 6, & 18 GHz
0 - 10, 1 15, 20, 30, 40, 50 & 60 dB
2,
In 1 dB Increments
±0.3 dB
±0.5 dB
±0.75 dB
±1.5 dB
1. 5:1 Max
1
1.20:1 Max
1.25:1 Max
1.35:1 Max
2 Watts Avg. @ 25°C
Derated Linearly to 0.5 Watts @ +1
o
C
25
LENGTH
SEE TABLE
O.D.
SEE TABLE
250 Watts Max.
(5uSec Pulse, .05% Duty Cycle)
50 Ohms
-65°C to +125°C
Passivated Stainless Steel
Gold Plated Beryllium Copper
Mechanical:
Type N Connectors
Mates with MIL
-STD-348
Conductors
LENGTH
Base Model
Number
XXN-XX
XXN-XXM
XXN-XXF
Connector
Configuration
Male/Female
Male/Male
Female/Female
DIA.
Inches Millimeters
[15.8]
Ø.62
[1
4.2]
Ø.56
[1
4.2]
Ø.56
0 - 30 & 40 dB
Inches
Millimeters
[44.7 ±0.8]
1.76 ±.03
[46.2 ±0.8]
1.82 ±.03
[50.5 ±0.8]
1.99 ±.03
3
1-39, 50 & 60 dB
Inches
Millimeters
Millimeters
Inches
[5 ±0.8]
1.8
2.04 ±.03
[53.6 ±0.8]
2. 1 ±.03
1
[57 ±0.8]
.9
2.28 ±.03
HOW TO ORDER:
Model Number:
XXN-XXY
Freq. Range
2 = DC - 2.5 GHz
6 = DC - 6 GHz
18 = DC - 18 GHz
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
dB Value
Ordering Examples:
Model Number:
18N-20
DC - 18 GHz; 20 dB; Type N - Male/Fem
Model Number:
6N-6F
DC - 6 GHz; 6 dB; Type N - Fem/Fem
Model Number:
6N-3M
DC - 6 GHz; 3 dB; Type N - Male/Male
Model Number:
2N-30
DC - 2.5 GHz; 30 dB; Type N - Male/Fem
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
*Other dB values, units that operate over a more specific frequency band and/or offer very low
return loss (VSWR); as well as units with nickel plated brass connectors are available.
18N-ATT: REV J (M)
Aeroflex / Inmet, Inc.
• 300 Dino Drive, Ann Arbor, MI 48103 • U.S.A.
888-244-6638 or 734-426-5553 • FAX: 734-426-5557
www.aeroflex.com/inmet • inmetsales@aeroflex.com
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