Signal Intelligence

Rohde & Schwarz ZNA at 67 GHz: When 16 Traces Tell You Everything — Except What You Need to Know

Rohde & Schwarz ZNA at 67 GHz: When 16 Traces Tell You Everything — Except What You Need to Know

Sixteen traces. Four Smith charts. Full S-parameter matrix from 10 MHz to 67 GHz. The R&S ZNA screen at the microwave show looked like everything you'd need. Here's what it...

May 6, 2026Brownkeys SignalByThomas
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Signal Integrity Design Validation: Why PCB Structures Must Be Measured, Not Assumed

Signal Integrity Design Validation: Why PCB Structures Must Be Measured, Not Assumed

At GHz speeds, PCB traces are no longer passive wires — they define signal behavior. Here's how vector network analysis makes that visible, measurable, and fixable.

Apr 19, 2026Brownkeys SignalByThomas
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