Patent ID: 11942693
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The antenna according to claim 1, wherein, the active amplifying unit comprises a plurality of active amplifying circuits, and each of the plurality of active amplifying circuits comprises:
a radio frequency signal input terminal, configured to receive a microwave signal;
a filter, connected to the radio frequency signal input terminal and configured to filter noise of an input microwave signal;
at least one amplifier, connected to the filter and configured to amplify an intensity of a microwave signal;
at least one attenuator, connected to an amplifier and configured to attenuate an intensity of a microwave signal;
a radio frequency signal output terminal, connected to an attenuator and configured to transmit a microwave signal to the phase shifting unit in a spatial coupling manner.