Table 1 Threshold voltages of HEMTs having MMC structures of various lengths and widths, measured at a drain current of 1 mA/mm
MMC length | MMC width | ||
---|---|---|---|
100 nm | 300 nm | 500 nm | |
0.8 μm | -0.41 V | -2.15 V | -2.62 V |
1 μm | -0.14 V | -2.12 V | -2.52 V |
2 μm | +0.79 V | -1.32 V | -2.18 V |
4 μm | – | -1.07 V | -2.07 V |
6 μm | – | +0.46 V | -1.62 V |