abstract:The autodyne circuit was an improvement to radio signal amplification using the De Forest Audion vacuum tube amplifier. By allowing the tube to oscillate at a frequency slightly different from the desired signal, the sensitivity over other receivers was greatly improved.
ADJ
denoting or relating to an electrical circuit in which the same elements and valves are used as oscillator and detector 自差的; 指在电子线路中同样的零件和阀门被当做振荡器和探测器使用的
[electronics]