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Lecroy has selected Keithley Instruments’ System 46 (S46) RF/microwave switch system as part of the original equipment for its USB 3.0 Test Suite product family.

Keithley’s S46 switch is engineered to simplify the automated switching needed to test a range of telecommunications products and devices, including Bluetooth devices.

The USB 3.0 Test Suite represents a single-source line-up of test instruments that can comprehensively support the Universal Serial Bus (USB) 3.0 standard, also known as Superspeed USB.

The S46 RF/microwave switch is used in applications such as: testing cellular and cordless phones; specialised mobile radios; base stations; specialised antenna systems; RF components including RFICs; wireless peripherals, including Bluetooth devices; broadband wireless transceivers; and high-speed digital communications including Sonet devices with speeds of 3Gbps and 10Gbps.

The standard S46 system is specified for a bandwidth of 18GHz; custom S46 systems can support bandwidths up to 40GHz.

As test requirements change, relays can be easily added to the system to create a new switch configuration.

The S46 controller automatically counts relay contact closures to allow equipment maintenance personnel to assess when the relays are nearing the end of their mechanical life.

In this way, preventative maintenance can be performed in a timely way during scheduled shutdowns, avoiding unplanned shutdowns and the resulting loss of production time.

In addition to counting contact closures, the S46 has a portion of its memory available to store S-parameters or calibration constants for each relay contact or each pathway.

If a specific performance parameter is critical, such as voltage standing wave ratio or insertion loss, the parameter can be stored in memory for use in trend analysis between scheduled maintenance shutdowns.

Stored parameters can also be used for compensation to enhance accuracy during RF measurements.

Keithley Instruments

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