Integrated inductive device and amplifier

The embodiment of the invention discloses an integrated inductive device and an amplifier. The integrated inductive device can comprise multiple stages of inductive devices. At least two adjacent stages of inductive devices in the multi-stage inductive device are folded. Through the scheme of the embodiment, the occupied area is greatly reduced, and the circuit cost is reduced. 本申请实施例公开了一种集成感性装置和放大器，该集成感性装置可以包括多级感性装置；所述多级感性装置中至少两个相邻级的感性装置进行折叠。通过该实施例方案，极大地缩小了占用面积，缩减了电路成本。