The Keysight (Agilent HP) 8496B is a manual coaxial step attenuator operating from DC to 18 GHz. It offers an attenuation range of 0 to 110 dB in 10 dB steps, providing high repeatability and a mechanical operating life of over 5 million cycles per section. Designed for precise signal level control in RF and microwave applications, it features a choice of standard 50-ohm RF connectors.

Specifications

Physical

ParameterValue
Operating Temperature0 to +55
Weight0.425
Number of Attenuator Sections4 (10, 20, 40, 40 dB)

General Specifications

ParameterValue
Frequency RangeDC to 18 GHz
Attenuation Range0 to 110 dB
Step Size10 dB
Characteristic Impedance50 Ω

RF Performance

ParameterValue
Insertion Loss (at 0 dB)0.6 dB + 0.09 dB/GHz
Maximum VSWR (DC to 8 GHz)1.5
Maximum VSWR (8 to 12.4 GHz)1.6
Maximum VSWR (12.4 to 18 GHz)1.9
Repeatability0.03 dB maximum (typically 0.01 dB)
Maximum Average RF Input Power1 W
Maximum Peak RF Input Power100 W

Switching Characteristics

ParameterValue
Operating Life (Switching Cycles)> 5 million cycles per section
Switching MechanismManual

Mechanical Specifications

ParameterValue
RF Connector TypeChoice of Type-N female, SMA female, or APC-7

Options and Configurations

ParameterValue
Calibration DocumentationNIST traceable data (SWR and attenuation) available as Option 890

Control

ParameterValue
ControlManual (Rotary Dial)

Technology

Coaxial

Applications

Test & Measurement