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In this paper, a wideband, gain-flattened, highly-linear signal reconnaissance receiver worked on UAV with high sensitivity and high Dynamic range is proposed for complex electromagnetic environment of space and variable transmitter source. The reconnaissance receiver used field programmable gate array (FPGA) and some supporting chip and circuit to accomplish the frequency select and data storage...
A wideband 1.1-1.7GHz low-noise amplifier (LNA) for dual-band global positioning system (GPS)receiver is presented.It is a single-ended amplifier with differential double-ended output. Input matching is extended to wide bandwidth using an input three-section band-pass Chebyshev filter. The LNA,integrated in SMIC 0.18μm CMOS process with a bandwidth of 1.1-1.7GHz, exhibits a power gain of more than...
An integrated 1.57 GHz Low Noise Amplifier (LNA) and an active balanced mixer for the RF front-end in the portable global positioning system (GPS) receivers is proposed based on SMIC 180 nm 1P6M RF CMOS process. The MOS transistors in the proposed LNA are biased in moderately inverted region to achieve low power. The active balanced mixer is based on Gilbert cell. The post-layout simulation results...
An integrated 1.5 GHz low power Low Noise Amplifier (LNA) for portable global positioning system (GPS) receivers is proposed based on SMIC 180 nm 1P6M RF CMOS process. The MOS transistors in the proposed LNA are biased in moderately inverted region to achieve low power. The post-layout simulation results show that, at worst case, a voltage gain of 19 dB is achieved with noise figure (NF) of 4.2 dB,...
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