Patent ID: 11955955
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The circuit of claim 1, wherein
the third series of n-type HEMTs comprises:
a depletion-mode n-type HEMT and a first enhancement-mode n-type HEMT coupled between the power supply node and the second node; and
a second enhancement-mode n-type HEMT coupled between the second node and the power supply reference node,

the depletion-mode n-type HEMT is configured as a diode,
the first enhancement-mode n-type HEMT comprises a gate coupled to the first output terminal, and
the second enhancement-mode n-type HEMT comprises a gate configured to receive the input signal.