Adjustable on-chip inductor with superhigh Q value
An inductive, ultra-high technology, applied in the direction of inductors, circuits, electrical components, etc., can solve the problem of inductance quality factor deterioration, and achieve the effect of increasing reconfigurability and improving circuit noise.
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[0032] see image 3 , 4 , there is only electromagnetic coupling between the main inductance L_m and the auxiliary inductance L_couple of the inductance unit, there is no electrical connection, the two ports A and B of the main inductance L_m can be directly connected to the radio frequency circuit, and the function of the auxiliary inductance L_couple is to connect the capacitance control unit And the negative resistance control unit, which converts its load coupling to the main inductance. The two output ports of the capacitance regulation unit are respectively connected to the two ports of the auxiliary inductor. The control port is used to connect the external input control signal Vc1, one end of the variable capacitor C1 is connected to the control port Vc1, the other end is connected to the non-inverting end of the secondary inductor L_couple, one end of the variable capacitor C2 is connected to the control port Vc1, and the other end is connected to the secondary induc...
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