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Systematic idea is very basilic in the integrated circuit design, interface between modules is especially important. Serial Peripheral Interface (SPI) is an interface that facilitates the transfer of synchronous serial data, which is engineer's favorite for its convenience and saving system resource. In this paper introduce a new design method, and simulation and realization in FPGA.
In the field of digital signal processing, using FPGA digital front-end technology in order to complete the process of IF filtering is a way of software radio implementation. According to the author's ideas based on the hardware implementation of digital IF in a gsm system, this paper introduced a FPGA design and optimization in the direction of application in the system level.
This paper described the design of a broadband LNA for TV tuner. The LNA uses two stage structures to achieve trade off of output impedance match and gain. In order to reduce the NF of the amplifier, noise canceling principle is adopted to cancel the noise. The simulation result shows that, in operation bandwidth 48 MHz~860 MHz, the gain is 24 dB, Noise figure is 3 dB, input impedance and output impedance...
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