Signalaufklärung

Image Rejection Peaked at −88.2°, Not 90°: Reading an I/Q Mixer Phase Sweep at EuMW 2026

Image Rejection Peaked at −88.2°, Not 90°: Reading an I/Q Mixer Phase Sweep at EuMW 2026

Keysight’s PNA-X characterised an I/Q mixer over LO frequency, baseband frequency and Q drivephase. Image rejection peaked at 46.93 dB at −88.2°, not 90°. The 1.8° offset is the device’s...

26. Okt 2026Brownkeys SignalByThomas
Weiterlesen
Conversion Phase Needs an LO Reference: Reading a Vector Mixer Measurement at EuMW 2026

Conversion Phase Needs an LO Reference: Reading a Vector Mixer Measurement at EuMW 2026

At EuMW 2026, Anritsu showed scalar and vector mixer measurements on its four-port Tensor VNA. On the demo screen, a consistent phase slope gave about 3.6 ns of group delay,...

14. Okt 2026Brownkeys SignalByThomas
Weiterlesen