IN3LBQ on the Hühnerspiel (Amthorspitze) - photo by IN3OTD

The S1M as PIN diode

S1M 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.

S1M loss vs bias current

Reverse biased

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

S1M isolation vs bias voltage

Harmonics level vs power

At 1.8 MHz

S1M fundamental at 1.8 MHz S1M H2 at 1.8 MHz S1M H3 at 1.8 MHz S1M H4 at 1.8 MHz S1M H5 at 1.8 MHz

At 10 MHz

S1M fundamental at 10 MHz S1M H2 at 10 MHz S1M H3 at 10 MHz S1M H4 at 10 MHz S1M H5 at 10 MHz

At 30 MHz

S1M fundamental at 30 MHz S1M H2 at 30 MHz S1M H3 at 30 MHz S1M H4 at 30 MHz S1M H5 at 30 MHz

Intermodulation distortion vs power

At 1.8 MHz

S1M IM3 at 1.8 MHz S1M IM5 at 1.8 MHz S1M IM7 at 1.8 MHz

At 10 MHz

S1M IM3 at 10 MHz S1M IM5 at 10 MHz S1M IM7 at 10 MHz

At 30 MHz

S1M IM3 at 30 MHz S1M IM5 at 30 MHz S1M IM7 at 30 MHz