Patent ID: 11929767
Assignee: MEDIATEK INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. The communications apparatus of claim 13, wherein the IF signal processing device further comprises:
a first injection circuit, coupled to an output terminal of the first diplexer circuit and arranged to inject a first enable signal into an output of the first diplexer circuit to generate the first multiplexed signal; and
a second injection circuit, coupled to an output terminal of the second diplexer circuit and arranged to inject a second enable signal into an output of the second diplexer circuit to generate the second multiplexed signal, and
the RF signal processing device comprises:
a frequency synthesizer circuit, arranged to generate an oscillating signal, wherein the first enable signal is a direct current (DC) signal located at zero frequency and provided to the RF signal processing device for activating a first portion of components in the RF signal processing device, the second enable signal is a DC signal located at zero frequency and provided to the RF signal processing device for activating a second portion of components in the RF signal processing device, the reference clock signal is provided to the frequency synthesizer circuit for generating an oscillating signal according to the reference clock signal, and the control signal is provided to a control modem in the RF signal processing device for controlling the components in the RF signal processing device according to the control signal.