| 摘要 |
PROBLEM TO BE SOLVED: To prevent resistors which influence the output amplification properties of an amplification circuit from being affected by the power source variation. SOLUTION: A circuit block including an amplification part is composed of several islands. Transistors and circuit elements are formed on islands, which are connected to a power source and are connected to the power source, and islands, to which no power source is connected, are formed aside from the islands on which the transistors and the circuit elements are formed, and resistors which have influence on the output amplification properties of the amplification circuit are formed on the islands, to which no power source is connected.
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