USB power testers meet FSK and Baseband variants

The FSK version uses two-way signalling superimposed on the existing VBUS wire in the USB cable.  The Packet-Master USB-PDA has been designed to conform to the USB Implementers Forum Power Delivery Compliance Plan where any non-compliance with the protocol and timings is highlighted, and a detailed problem description displayed.

The Packet-Master USB-PDA connects passively (non-intrusively) between two USB PD devices, and captures all PD activity without influencing the link-observing and displaying all the important timings, together with VBUS voltage and current measurements. The Exerciser version Packet-Master USB-PDA-E can act as a Provider, Provider/Consumer, Consumer or Consumer/Provider, performing all common PD operations, including Requests, Swaps, Hard Resets, and BIST Mode Requests. Simultaneously, an Analyser Capture may be performed, in order to view how the unit under test responds. The Packet-Master USB-PDA detects and displays: 

• Each PD message packet (pre-amble bits, SOP ordered set, header and data objects).
• Each bit field: analysed, described and any potential non-compliances highlighted.
• Test Pattern Frames: displayed and analysed to indicate whether they contain a valid PRBS test pattern.
• Bit Stream and other continuous waveforms: displayed, with an analysis of their type.
• The VBUS voltage and current - errors clearly shown.
• SOP', SOP'', SOP' debug and SOP'' debug messages.

A special feature of the Packet-Master USB-PDA is the plug-in panel for flexibility in connection to the Units Under Test.