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

Claim 31:
32. The communications apparatus of claim 30, wherein the IF signal processing device further comprises:
an injection circuit, coupled to an output terminal of the second diplexer circuit and arranged to inject an 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 enable signal is a direct current (DC) signal located at zero frequency and provided to the RF signal processing device for activating one or more components in the RF signal processing device, the control signal is a signal having a center frequency of zero frequency, 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, and the reference clock signal is provided to the frequency synthesizer circuit for generating the oscillating signal according to the reference clock signal.