C CH ATTENUATORS
SMA, up to 18 GHz, 2Watts
SPECIFICATIONS:
Models: C, CH
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
DC - 18.0 GHz
2.5, 6, 12.4 & 18 GHz
0 - 10, 12, 15, 20 & 30 dB
In 1 dB Increments
Attenuation Accuracy
0 - 6 dB
7 - 20 dB
21 - 30 dB
VSWR
0.3 dB
0.5 dB
0.75 dB
LENGTH
SEE TABLE
DC - 4 GHz
4 - 8 GHz
8 - 12.4 GHz
12.4 - 18 GHz
Input Power
11. 5:1 Max.
1.20:1 Max.
1.25:1 Max.
1.35:1 Max.
Ø.28
[7.1]
2Watts Avg. @ 25°C
Derated Linearly to 0.5 Watts @ +125oC
Peak Power
250 Watts Max.
C STYLE
(5uSec Pulse, .05% Duty Cycle)
Impedance
50 Ohms
Operating Temp Range
-65°C to +125°C
LENGTH
Mechanical:
SEE TABLE
SMA Connectors
Passivated Stainless Steel
Mates with MIL-STD-348
Conductors
Gold Plated Beryllium Copper
Note: Connectors are Epoxy Sealed
5/16 [7.9] Hex
CH STYLE
LENGTH
dB Value
Inches
Millimeters
[19.3 0.8ꢀ
[22.6 0.8ꢀ
0 - 12 dB
.76 .03
.89 .03
13 - 30 dB
HOW TO ORDER:
Ordering Examples:
Model Number: 18C-20
Model Number: XXCY-XX
Freq. Range
DC - 18 GHz; 20 dB; SMA - Male/Fem; Style C
dB Value
6 = DC - 6 GHz
12 = DC - 12.4 GHz
18 = DC - 18 GHz
Model Number: 12CH-6
DC - 12.4 GHz; 6 dB; SMA - Male/Fem; Style CH
Model Number: 6CH-3
Style
DC - 6 GHz; 3 dB; SMA - Male/Fem; Style CH
C = C Style (No Hex)
CH = CH Style (Hex)
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); gold plated units and/or connectors optimized for RF leakage also available.
18C-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 • inmetsales@aeroflex.com