CPC H04B 1/0475 (2013.01) [H03F 1/0205 (2013.01); H03F 3/195 (2013.01); H03F 2200/451 (2013.01); H04B 2001/045 (2013.01)] | 11 Claims |
1. A controller having a wireless transmission interface, the controller comprising:
an amplifier, coupled to the wireless transmission interface, and generating an amplification signal according to an input signal;
an analog-to-digital converter, coupled to the amplifier, and converting the amplification signal into a digital format;
a digital filter, coupled to the analog-to-digital converter, and filtering the amplification signal in the digital format to generate a filtered signal;
a processor, coupled to the digital filter, and performing a calculation on the filtered signal to generate a calculation result, wherein the processor is an integrated single device; and
a radio frequency signal transceiver, coupled to the processor, and obtaining received information according to the calculation result and the filtered signal,
wherein the radio frequency signal transceiver is further configured to send an output signal to a remote device through the same wireless transmission interface which the input signal is received from.
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