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此高增益宽带射频放大器可与一根短于3mm 的天线组成短波有源天线,用来提升远距离短波调幅广播电台传束的微弱者信号,以提高短波收音机的灵敏度和选择性。其性能不亚于室外环形天线,最适合用于
This high-gain broadband RF amplifier can be used with a short-wave active antenna that is shorter than 3 mm to improve the sensitivity and selectivity of short-wave radios. Its performance as good as the outdoor loop antenna, the most suitable for