IN3LBQ on the Hühnerspiel (Amthorspitze) - photo by IN3OTD

The M7 as PIN diode

M7 measurement setup

Small-signal loss vs bias

S-parameters measured at -20 dBm

Forward biased

Diode forward biased with currents from 1 mA to 100 mA.

M7 loss vs bias current

Reverse biased

Diode reverse biased with voltages from 0 V to 20 V.

M7 isolation vs bias voltage

Harmonics level vs power

At 1.8 MHz

M7 fundamental at 1.8 MHz M7 H2 at 1.8 MHz M7 H3 at 1.8 MHz M7 H4 at 1.8 MHz M7 H5 at 1.8 MHz

Intermodulation distortion vs power

At 1.8 MHz

M7 IM3 at 1.8 MHz M7 IM5 at 1.8 MHz M7 IM7 at 1.8 MHz