![]() ![]() ![]() Google Patents Mixer circuit using cathode follower feed-in stagesÄownload PDF Info Publication number US2471449A US2471449A US633835A US63383545A US2471449A US 2471449 A US2471449 A US 2471449A US 633835 A US633835 A US 633835A US 63383545 A US63383545 A US 63383545A US 2471449 A US2471449 A US 2471449A Authority US United States Prior art keywords stages mixer cathode follower cathode amplifiers Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2471449A - Mixer circuit using cathode follower feed-in stages US2471449A - Mixer circuit using cathode follower feed-in stages
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