Radiofrequency receiving chip and method for manufacturing same

Abstract

The invention discloses a radiofrequency receiving chip. The radiofrequency receiving chip is simultaneously integrated with at least two of the following modules: a radiofrequency receiving module, a radiofrequency decoding latching module and a motor driving module, wherein the radiofrequency receiving module is used for mixing a received RF signal from a high frequency to a medium and low frequency, amplifying the RF signal and outputting the RF signal to the radiofrequency decoding latching module; the radiofrequency decoding latching module is used for demodulating a data code flow input by the radiofrequency receiving module so as to generate various driving control signals; and the motor driving module is used for receiving a driving control signal so as to drive a corresponding external motor. The invention also discloses a method for manufacturing the radiofrequency receiving chip. The radiofrequency receiving chip and the method for manufacturing the same integrate the radio frequency receiving module, the radiofrequency decoding latching module and the motor driving module on one radiofrequency receiving chip to save the system cost and the labor cost, and isolate the noise among the modules and substrate disturbances so as to improve the stability of the system.

Description

technical field [0001] The present invention relates to radio frequency receiving technology, in particular to the technology of integrating the radio frequency receiving module, radio frequency decoding and latching module and motor driving module into the same chip, and also relates to the technology of isolating the motor driving module and suppressing the interference of the motor driving module in the integrated circuit manufacturing process . Background technique [0002] In the prior art, the radio frequency receiving circuit of a traditional toy car is usually realized by discrete electronic components. figure 1 The circuit realization diagram of the technical solution of this traditional toy car is shown, as figure 1 As shown, the entire system includes a decoding and latching chip 11, a discrete radio frequency receiving circuit 12 and a discrete motor driving circuit 13, and the discrete radio frequency receiving circuit 12 and the discrete motor driving circuit ...

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Problems solved by technology

[0004] However, these traditional implementation schemes are realized by discrete components or discrete integrated circuits, the system cost is high, and the PCB layout design process of the RF receiving circuit is complicated, and the system stability is poor. In addition, the motor drive circuit has high-power current input and output, high-power The instantaneous current will inject relatively large noise and interference to the power supply and ground, and it is difficult to integrate the motor drive circuit, decoding latch circuit, and RF receiving circuit into one chip

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