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RA Series Dual Concentric Rotary Attenuators

RSA Series

Dual Concentric Attenuators

The RSA series dual concentric attenuators furnish high dynamic range and small step size in a single, ruggedized assembly.

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RSA-3550D-R
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RSA-35110D-R
Dual Concentric Attenuator
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  RSA-3550D-R
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Frequency Range DC–3000 MHz DC–3000 MHz
Impedance 50 Ohms 50 Ohms
Attenuation 0–50 dB by 1 dB 0–110 dB by 1 dB
Average Power 2 Watts (25° C) Watts 2 Watts (25° C) Watts
Switching Life 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
Connector SMA Female SMA Female
Insertion Loss DC–1 GHz: 0.6 dB max
1–2 GHz: 1.0 dB max
2–3 GHz: 1.5 dB max 		DC–1 GHz: 0.6 dB max
1–2 GHz: 1.0 dB max
2–3 GHz: 1.5 dB max
Accuracy DC–1 GHz: ±0.25 dB or 1%
1–2 GHz: ±0.35 dB or 2%
2–3 GHz: ±0.5 dB or 3 %

Whichever is greater

 DC–1 GHz: ±0.25 dB or 1%
1–2 GHz: ±0.35 dB or 2%
2–3 GHz: ±0.5 dB or 3 %

Whichever is greater
VSWR DC–1 GHz: 1.3:1 max.
1–2 GHz: 1.4:1 max.
2–3 GHz: 1.5:1 max.
 DC–1 GHz: 1.3:1 max.
1–2 GHz: 1.4:1 max.
2–3 GHz: 1.5:1 max.
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