The Keysight (formerly Agilent/HP) 8496H is a highly reliable programmable step attenuator operating from DC to 18 GHz. It provides 0 to 110 dB of attenuation in 10 dB steps, offering excellent repeatability and an operating life exceeding 5 million cycles per section. It is designed for precision automated testing and signal level control.

Specifications

Physical

ParameterValue
Operating Temperature0 to +55
Weight425 g (15 oz)

General RF Specifications

ParameterValue
Frequency RangeDC to 18 GHz
Attenuation Range0 to 110 dB
Attenuation Step Size10 dB
Nominal Impedance50 Ω
Maximum RF Input Power (Average)1 W
Maximum RF Input Power (Peak)100 W

RF Performance: Insertion Loss & VSWR

ParameterValue
Insertion Loss (0 dB state)0.6 dB + 0.09 dB/GHz
Maximum VSWR (DC to 8 GHz)1.5:1
Maximum VSWR (8 to 12.4 GHz)1.6:1
Maximum VSWR (12.4 to 18 GHz)1.9:1

Attenuation Accuracy & Repeatability

ParameterValue
Attenuation Repeatability (Typical)0.01 dB
Attenuation Repeatability (Maximum)0.03 dB

Switching & Drive Specifications

ParameterValue
Switching Speed (Maximum)20 ms (including contact settling)
Operating Life (Minimum Cycles)5,000,000 cycles per section

Physical & Mechanical Specifications

ParameterValue
RF Connector OptionsType-N (f), SMA (f), or APC-7

Options & Configurations

ParameterValue
Calibration Documentation OptionsOption UK6 (NIST traceable data)

Power & Control

ParameterValue
Drive Voltage Options5 Vdc (Option 011), 15 Vdc (Option 015), or 24 Vdc (Option 024)

Configuration

ParameterValue
Number of Attenuator Sections4
Attenuator Section Values10 dB, 20 dB, 40 dB, 40 dB

Control & Switching

ParameterValue
Drive Pulse Width (Minimum)20 ms

Technology

RF / Microwave

Applications

Signal Level Control / Automated Testing