Knowledge*on Inc. :::: 6" InGaP HBT Foundry Service:::::

   Key Features - VBIC model

   As VBIC includes the self-heating effects and the quasi-saturation modeling, VBIC model is the
   more advanced one compared to simple Gummel-Poon model. Knowledge*on provides, for more
   accurate circuit simulation, its precise HBT VBIC model to our customers with and passive
   libraries resulting in reduction of foundry iteration time before manufacturing stage.
   Using Knowledge*on’s accurate VBIC model, RF designers who are willing to make better
   outputs in better condition, will benefit and will be able to save cost that used to be consumed
   due to foundry model inaccuracy.

VBIC Large Signal Model

                                 ▶ Improved Early effect modeling
                                 ▶ Quasi-saturation modeling
                                 ▶ Parasitic substrate transistor modeling
                                 ▶ valanche multiplication modeling
                                 ▶ Self-heating modeling
                                 ▶ Improved temperature modeling
                                 ▶ Parasitic substrate transistor modeling

Comparison between VBIC and simple
Gummel-Poon Model

Measurement vs. VBIC Large Signal Model

1 x 2 x 20 um²
Ic = 6, 10, 14 [mA], Vc = 1 [V]

Power Measurement vs.
VBIC Large Signal Model

MP F2x2x20 um2
VC = 3.5 V, IC = 4mA (Class AB) Source & Load Imp. = 50 ohm