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Integrated Wideband RF Tracking Filter for RF Front End with Parallel Band Switched Tuned Amplifiers
Integrated Wideband RF Tracking Filter for RF Front End with Parallel Band Switched Tuned Amplifiers
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机译:集成宽带RF跟踪滤波器,用于带有并行频带开关调谐放大器的RF前端
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摘要
A wideband RF tracking filter having a set of parallel tuned resonator amplifier stages with a de-Q resistor for each subband is disclosed. The resonant amplifier contains programmable tuned LC tank impedance and an array of parallel voltage to current converters (V2I) for each subband. The de-Q resistor together with the array of V2I converters provides a flat gain over each subband and each of the other subbands covering different frequencies.
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