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PSPL5510K 40 GHz Attenuator

PSPL5510K Datasheet

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The PSPL5510K Attenuators address a need that has been totally ignored by other microwave component manufacturers who specify their products in the frequency domain, but ignore the time domain responses. For time domain measurements, it is important to also know the transient response of attenuators used in a test set-up. These 2.92 mm attenuators have 5 ps rise times and are recommended for measuring pulses with rise times of 15 ps or slower. For frequency domain measurements, the useful frequency range is DC to 40 GHz. The 2.92 mm connector is compatible with SMA and 3.5 mm connectors.

Key performance specifications
  • 2.92 mm connectors
  • DC to 40 GHz
  • 5 ps Rise time

Typical performance




Parameter 1 Value
Values available 3, 6, 10, and 20 dB
Frequency range DC to 40 GHz
Connectors 2.92 mm, jack (f) & plug (m)
Rise time (10% to 90%) 5 ps typical, when tested with 10 ps rise time pulse
Impedance - DC 50 Ω,
Delay 87 ps
DC Attenuation accuracy ±0.5 dB, max. limits guaranteed
Return loss –DC
> 36 dB typ, 23 dB min
Attenuation Flatness
(see Typical performance plots)
Return Loss – AC
(see Typical performance plots)
> 20 dB, f > 15 dB, f
Max. Power Input 2 W avg at 20 °C, derated linearly to 1 W at 85 °C, 50 W peak for
Temperature Range -55 to +85 °C operating, -55 to +125 °C storage, 0.001 dB/dB/ °C temp. coeff.
Dimensions 28.8 mm length, 8 mm diameter
Weight 8 gm
Material Stainless steel
Serial number Yes
Warranty One Year

1 All parameters listed are typical unless maximum or minimum guaranteed limits are provided.

Mechanical dimensions

2.92 mm connectors, jack-plug only; all dimensions in inches.

Ordering information

Attenuator, 40 GHz
Opt. 3DB
3 db attenuation
Opt. 6DB
6 db attenuation
Opt. 10DB
10 db attenuation
Opt. 20DB
20 db attenuation