B ATTENUATORS
SMA, up to 18 GHz, 2 Watts
SPECIFICATIONS:
Models: B
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
0 - 6 dB
7 - 10, 12, 15 & 20 dB
30 dB
40, 50 & 60 dB
VSWR
DC - 4 GHz
4 - 8 GHz
8 - 12.4 GHz
12.4 - 18 GHz
Input Power
DC - 18.0 GHz
2.5, 6, 12.4, & 18 GHz
0 - 10, 12, 15, 20, 30, 40, 50, & 60 dB
In 1 dB Increments
±0.3 dB
±0.5 dB
±0.75 dB
±1.50 dB
1.15:1 Max.
1.20:1 Max.
1.25:1 Max.
1.35:1 Max.
2 Watts Avg. @ 25°C
LENGTH
SEE TABLE
Derated Linearly to 0.5 Watts @ +125oC
Peak Power
250 Watts Max.
(5uSec Pulse, .05% Duty Cycle)
Impedance
Operating Temp Range
50 Ohms
-65°C to +125°C
Ø.36
[9.1]
Mechanical:
SMA Connectors
Passivated Stainless Steel
Mates with MIL-STD-348
Conductors
Gold Plated Beryllium Copper
Connector
Configuration
Male/Female
Male/Male
Female/Female
LENGTH
0 - 30 & 40 dB
31- 60 dB (except 40dB)
Inches
Millimeters
Millimeters
Inches
Inches
[37.8 ±0.8]
[30.7 ±0.8]
1.21 ±.03
1.49 ±.03
[33.8 ±0.8]
[41.1 ±0.8]
1.33 ±.03
1.62 ±.03
[26.9 ±0.8]
[34.3 ±0.8]
1.06 ±.03
1.35 ±.03
HOW TO ORDER:
Model Number: XXB-XXY
Ordering Examples:
Model Number: 18B-20
DC - 18 GHz; 20 dB; SMA - Male/Fem
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
Model Number: 12B-6F
DC - 12.4 GHz; 6 dB; SMA - Fem/Fem
dB Value
Freq. Range
6 = DC - 6 GHz
12 = DC - 12.4 GHz
18 = DC - 18 GHz
Model Number: 6B-3M
DC - 6 GHz; 3 dB; SMA - Male/Male
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
18B-ATT: REV K
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-inmet.com • sales@aeroflex-inmet.com
