Pulse ultra-wideband transmitter with adjustable amplitude and spectrum
An ultra-wideband receiver, pulsed technology, applied in electrical components, transmission systems, etc., can solve the problems of large influence of process deviation, and achieve the effects of reducing power consumption, adjustable frequency spectrum and amplitude, and simple structure
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[0022] The technical solution of the present invention will be further described below through the embodiments and in conjunction with the accompanying drawings. figure 1 Shown is the basic components of the entire transmitter system, which includes: BPSK modulated pulse generator, amplitude-adjustable pulse combiner, RLC frequency selector, output buffer controller and output buffer. The transmitter adopting the system architecture of the present invention has the functions of adjustable amplitude and frequency spectrum.
[0023] The following is attached figure 2 and image 3 , introduce in detail the embodiment of the transmitter CMOS circuit using the system architecture of the present invention, the entire transmitter CMOS circuit is based on the SMIC 0.13μm CMOS process:
[0024] 1) Pulse generator for BPSK modulation
[0025] Its circuit is as figure 2 As shown in the middle left block diagram "BPSK modulated pulse generator", it is divided into upper and lower br...
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