Model: SBA-DC2G-60DB-5V


PMI Model No. SBA-DC2G-60DB-5V is a programmable step attenuator that operates from DC to 2.0 GHz. This model offers individual cell attenuation of 4 dB, 8 dB, 16 dB and 32 dB and is controlled with a +5 VDC voltage.  This model provides up to 60 dB of attenuation and has a typical insertion loss of 2 dB. The switching speed is 1 ms and handles input power levels up to +27 dBm (0.5 Watts).  This unit is supplied in a small housing measuring 2.48" x 0.8" x 0.8" having an RF Feedthru for the input and SMA Female for the output. Extended operation up to 6 GHz is available.

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Product Feature
Test Report


Frequency Range DC to 2.0 GHz
Number of Cells 4
Individual Cell Attenuation

4 dB, 8 dB, 16 dB and 32 dB

Total Attenuation 0 to 60 dB
Insertion Loss 2 dB Typ.
Attenuation Accuracy ±0.3 dB or 1% to 1 GHz
±0.5 dB or 2% to 2 GHz - Measured ±0.46 dB
Impedance 50 ohms
Switching Speed < 6 ms - Measured 1 ms

< 1.3:1 (17 dB return loss) - Measured 1.26:1

Power Handling 0.5 (27 dBm) CW
Operating Voltage 5 V @ 360 mA Typ.
RF Input/Output

Ø 0.015 Feedthru/SMA (F) Press Fit

Size 2.48" X 0.80" X 0.80"
Finish Nickel Plated

Environmental Ratings:

Temperature:  -55 ºC to +71 ºC Operating
 -55 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