10
Attenuators
DC - 12.4 GHz 291 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0291-XX-SMA-02 ATT-291F-XX-SMA-02 ATT-291M-XX-SMA-02
XX = Attenuation Value: Select 01-30dB in 1dB increments
(.5 dB increments available)
HIGH PERFORMANCE
DC - 18.0 GHz 290 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0290-XX-SMA-02 ATT-290F-XX-SMA-02 ATT-290M-XX-SMA-02
XX = Attenuation Value: Select 01-30dB in 1dB increments
(.5 dB increments available)
HIGH PERFORMANCE
DC - 26.5 GHz 298 Series Model Numbers
Male/Female Female/Female Male/Male
ATT-0298-XX-SMA-02 ATT-298F-XX-SMA-02 ATT-298M-XX-SMA-02
XX = Attenuation Value: Select 01-30dB in 1dB increments
(.5 dB increments available)
HIGH PERFORMANCE 13-30 dB 1.02
Frequency GHz VSWR
DC - 4.0 GHz 1.12 max
4.0 - 8.0 GHz 1.15 max
8.0 - 18 GHz 1.20 max
Attenuation Value Length A
1-12 dB 0.98
13-30 dB 1.12
Note: * U.S. Patent No. 3,824,506 applies to all "MINIPAD" ® Fixed Attenuators
SMA Subminiature "MINIPSMA Subminiature "MINIP
SMA Subminiature "MINIPSMA Subminiature "MINIP
SMA Subminiature "MINIPAD"AD"
AD"AD"
AD"®®
®®
®
Attenuation Value Length A
Attenuation Value Length A
1-12 dB 0.90
13-30 dB 1.03
SPECIFICATIONS - HIGH PERFORMANCE
Midwest Microwave's SMA subminiature series of fixed coaxial attenuators
(MINIPAD ®) provide temperature stable, ruggedly built, precision perfor-
mance in a compact light weight package size. Attenuation values up
through 30 dB in 1 dB increments are available with any of the units
described and with any combination of female or male SMA connectors.
DC - 26.5 GHz High Performance
DC-2, DC-8, DC-12.4, and DC-18.0 units available
Rugged Stainless Steel Construction
Any Male/Female combination available
Low cost alternatives available
TYPE II LOW VSWR - HIGH PERFORMANCE
IMPROVED SPECIFICATIONS
Frequency: DC - 18.0, DC - 12.4, DC - 8.0 GHz
DC - 4.0, and DC - 2.0 GHz
Attenuation Accuracy: 1-6 dB ± 0.3dB
7-20 dB ± 0.5 dB
21-30 dB ± 1.0 dB
VSWR: 1.07+.015 (f GHz) max.
Power: 2 Watts Average @ +25oC derated linearly to .5 watts @ +125oC
Peak Power: 200 Watts
Operating Temperature Range: -65 to +125C
Finish: Passivated Stainless Steel
1-12 dB 0.86