Region 3 area in cadence schematic simulation using spectre

[whitewiz]

specture region

I repost this question.

I am using IBM 0.18um BiCMOS process.

For cadence schematic simulation, I used a bipolar transistor(BJT) for low noise amplifier design and simulated in DC analysis.

BJT is always working in region 1 or region 3.

I am so wondering region 3 is saturation region or breakdown region.

I attach the picture for your consideration.

Thanks

 

[DenisMark]

spectre bjt region 1

Type "spectre -h model_name" in terminal. There are many model names for BJT. See correct name in netlist.