Model: SFB-2DR-9-AA870

Model SFB-2DR-9-AA870 is a a two channel switch filter bank. Channel 1 is centered at 8750MHz and has a 500MHz bandwidth.  Channel 2 is centered at 9250MHz and has a bandwidth of 500MHz.  This model offers fast switching speeds of less than 1usec.  An integrated BITE detection circuit is included.

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Product Feature



Number of Filter Channels 2 Channels
Channel 1 Specifications:  
Channel 1Center Frequency 8750MHz
Channel 1 Passband 8500 to 9000MHz
Cannel 1 Rejection

-45dB min. @ 9200MHz

-70dB min. @ 500 to 6000MHz

Channel 2 Specifications:  
Channel 2 Center Frequency 9250MHz
Channel 1 Passband 9000 to 9500MHz
Channel 2 Rejection

-45dB min. @ 9700MHz

-70dB min. @ 500 to 6000MHz

Common Specifications:  
Insertion Loss 4.0dB max.
Isolation: 60dB min.
VSWR 2.0:1 max.
Switching Speed 1usec max.


Logic "0" = Channel 1

Logic "1" = Channel 2

RF Power Rating +21dBm CW max.
BITE Circuit

TTL compatible output shall be low under normal

operating conditions, and shall be high when one

or both channels fail.

Power Supply

150mA @ +5VDC max.

80mA @ -12VDC max.

Connectors SMA(F)
Size 4.37"L x 1.97"W x 1.00"H

Environmental Ratings:

Temperature:  -40ºC to +85 ºC Operating
 -40 ºC to +100 ºC Non-Operating
 Humidity:  MIL-STD-202F, Method 103B Cond. B
 Shock:  MIL-STD-202F, Method 213B Cond. B
 Vibration:  MIL-STD-202F, Method 204D Cond. B
 Altitude:  MIL-STD-202F, Method 105C Cond. B
 Temperature Cycle:  MIL-STD-202F, Method 107D Cond. A