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BMA Series Benchtop Attenuators

BMA Series

Benchtop Attenuators

BMA benchtop attenuators offer a wide variety of step sizes, impedances, dynamic ranges and connectors. The BMA series includes either two or three rotary units in a durable case ideal for bench or portable use.

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Drawings
Array
BMA-3511
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Array
BMA-35110
Benchtop Attenuator
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Array
BMA-35111
Benchtop Attenuator
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Array
BMA-711
Benchtop Attenuator
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  BMA-3511
Request a Quote		 BMA-35110
Request a Quote		 BMA-35111
Request a Quote		 BMA-711
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Frequency Range DC–1000 MHz DC–3000 MHz DC–1000 MHz DC–1000 MHz
Impedance 50 Ohms 50 Ohms 50 Ohms 75 Ohms
Attenuation 0–11 dB by .1 dB 0–110 dB 0–111 dB by .1 dB 0–11 dB by 0.1dB
Average Power 2 Watts 2 Watts 2 Watts 0.5 Watts
Switching Life 200,000 Steps Minimum 200,000 Steps Minimum 200,000 Steps Minimum  
Rotation Clockwise for increasing attenuation in 30 degree indexing Clockwise for increasing attenuation in 30 degree indexing(BNC not recommended above 1 GHz) Clockwise for increasing attenuation in 30 degree indexing Clockwise for increasing attenuation in 30° indexing
Connector BNC Female
N Female
SMA Female
 BNC Female
N Female
SMA Female
 BNC Female
N Female
SMA Female
 BNC Female
F Female
Temperature 0–50° C 0–50 0–50° C -20° to +125° C
Insertion Loss DC–1.0 GHz: 1.25 dB max DC-1.0 GHZ: 1 dB max
1.0-3.0 GHz: 2 dB max
 DC–1.0 GHz: 1.70dB max 1.1 dB max. to 0.5GHz
1.5 dB max. to 1 GHz
Accuracy 0–1dB: ±0.05dB
1–10dB: ±0.25dB 		DC-1.0 GHz
1–10dB: ±0.25 dB
10–-100 dB: ±0.25 dB or 1.5%
(Whichever is greater) 		0–1dB: ±0.05 dB
1–10dB: ±0.25 dB
10–111dB: ±0.35 dB or 1.5%

(Whichever is greater)

 DC–0.5 GHz
0–1dB: ±0.04dB
1–11dB: ±0.2db

0.5–1 GHz
0–1dB: ±0.06dB
1–11dB: ±0.3dB
VSWR DC–1 GHz: 1.3:1 max. DC–1 GHz: 1.3:1 max
1–2 GHz: 1.4:1 max
2–3 GHz: 1.5:1 max
 DC–1.0 GHz: 1.3:1 max. DC–0.5 GHz: 1.25:1 max.
0.5–1 GHz: 1.35:1.
Peak Power       750 Watts, 3µSec. pulse
Weight       2 lb. 6 oz.
Housing       Baked enamel on aluminum
Width (inches)       6.625 in.
Height (inches)       2.625 in.
Depth (inches)       4.125 in.
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