The front-end section uses a four row frequency linear varicon, and for high-frequency amplification, low-noise, high-linearity FET is used to improve sensitivity and interference rejection capability. In the IF stage, selectivity characteristics are improved by making the 2-element ceramic filter with excellent phase characteristics into a 3-stage configuration. The IC incorporates more than 200 elements in total into a single IC, with five stage limiters to adjust the waveform and improve various characteristics. The IF stage uses a ceramic filter to obtain sharp selectivity characteristics. It is equipped with an MPX noise filter to cancel high-frequency noise that.
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