| 摘要 |
A compound semiconductor device is formed having a plurality of FETs exhibiting the same electrode ratio of a difference between a surface area the active region and the combined overlapping surface area of the source and drain ohmic electrodes to the combined overlapping surface area of the source and drain ohmic electrodes. As such, precise control of a threshold voltage of the FETs is achieved. The compound semiconductor device is also formed so as to include a plurality of resistors having the same ratio of a difference between a surface area of the resistivity region and the combined overlapping surface area of the pair electrodes to the combined overlapping surface area of the pair electrodes. In this manner, a resistivity of the resistor is precisely controlled.
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