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This family of step attenuators offers fast, precise signal-level control in three frequency ranges - DC to 4 GHz, 18 GHz, and 26.5 GHz. They feature exceptional repeatability and reliability in a wide range of frequency, attenuation, and connector options. |
Attenuation repeatability is specified to be less than 0.03 dB (0.05 dB, 18 to 26.5 GHz) for 5 million cycles per section. This assures low-measurement uncertainty when designed into automatic test systems. Electromechanical step attenuators offer low SWR, low-insertion loss, and high-accuracy required by high-performance test and measurement equipment.
Precision-plated, leaf-spring contacts insert/remove attenuator sections (miniature tantalum nitride thin-film T-pads on sapphire and alumina substrates) from the signal path. Unique process controls and material selection ensure unmatched life and contact repeatability.
Programmable models
Miniature drive solenoids in the programmable models keep
switching time, including settling, down to less than 20 milliseconds. Once switched, strong permanent magnets hold the solenoids (and attenuation value) in place. Current interrupts automatically disconnect solenoid current, simplifying driver circuit design, and minimizing heat dissipation. Programming is done through a 12-pin Viking socket or optional ribbon cables with DIP plugs. Automatic drive control is easy using the GPIB compatible Agilent 11713A or 87130A attenuator/switch driver and an external controller.
| Step size | Attenuation | 4 GHz | 18 GHz | 26.5 GHz | |
| Manual | 1 dB | 0 to 11 dB | 8494A | 8494B | |
| 10 dB | 0 to 70 dB | 8495A | 8495B | 8495D | |
| 0 to 110 dB | 8496A | 8496B | |||
| Programmable | 1 dB | 0 to 11 dB | 8494G | 8494H | |
| 10 dB | 0 to 70 dB | 8495G | 8495H | 8495K | |
| 0 to 90 dB | 8497K | ||||
| 0 to 110 dB | 8496G | 8496H |
See specifications for connector and supply voltage options. Call or email for option pricing.
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Agilent 8494A Manual Step Attenuator 0 to 11 dB, 1 dB steps, 4 GHz |
TestEquity Price $970
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Agilent 8494B Manual Step Attenuator 0 to 11 dB, 1 dB steps, 18 GHz |
TestEquity Price $1,419
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Agilent 8494G Programmable Step Attenuator 0 to 11 dB, 1 dB steps, 4 GHz |
TestEquity Price $1,269
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Agilent 8494H Programmable Step Attenuator 0 to 11 dB, 1 dB steps, 18 GHz |
TestEquity Price $1,853
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Agilent 8495A Manual Step Attenuator 0 to 70 dB, 10 dB steps, 4 GHz |
TestEquity Price $814
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Agilent 8495B Manual Step Attenuator 0 to 70 dB, 10 dB steps, 18 GHz |
TestEquity Price $1,035
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Agilent 8495D Manual Step Attenuator 0 to 70 dB, 10 dB steps, 26.5 GHz |
TestEquity Price $1,348
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Agilent 8495G Programmable Step Attenuator 0 to 70 dB, 10 dB steps, 4 GHz |
TestEquity Price $1,059
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Agilent 8495H Programmable Step Attenuator 0 to 70 dB, 10 dB steps, 18 GHz |
TestEquity Price $1,395
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Agilent 8495K Programmable Step Attenuator 0 to 70 dB, 10 dB steps, 26.5 GHz |
TestEquity Price $1,757
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Agilent 8496A Manual Step Attenuator 0 to 110 dB, 10 dB steps, 4 GHz |
TestEquity Price $970
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Agilent 8496B Manual Step Attenuator 0 to 110 dB, 10 dB steps, 18 GHz |
TestEquity Price $1,419
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Agilent 8496G Programmable Step Attenuator 0 to 110 dB, 10 dB steps, 4 GHz |
TestEquity Price $1,269
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Agilent 8496H Programmable Step Attenuator 0 to 110 dB, 10 dB steps, 18 GHz |
TestEquity Price $1,853
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Agilent 8497K Programmable Step Attenuator 0 to 90 dB, 10 dB steps, 26.5 GHz |
TestEquity Price $1,993
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11716A Attenuator Interconnect Kit, Type-N Connects any pair of Agilent 8494/5/6/7 attenuators in series. |
TestEquity Price $370
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11716C Attenuator Interconnect Kit, Type-SMA Connects any pair of Agilent 8494/5/6 attenuators in series. |
TestEquity Price $342
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Agilent 11713B, 11713C Attenuator/Switch Driver GPIB, USB, LAN (LXI Class C) |
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Agilent 84904-6-7 K/L Series Programmable Step Attenuators Up to 26.5 GHz or 40 GHz |
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