Its purpose in life was to be the local oscillator and mixer in AM radios, and a kazillion of them were made to fill that purpose.
它本来是被用作调幅收音机中本振和混频管,并且被大量生产出来以实现这个用途。
Its purpose in life was to be the local oscillator and mixer in AM radios, and a kazillion of them were made to fill that purpose.
它本来是被用作调幅收音机中本振和混频管,并且被大量生产出来以实现这个用途。
The maximum of B along elevation direction is closely under the central section of coil.The B of equiamplitude magnetic field is increased by increasing of the output current ...
等幅高频感应强随高频出流增加而增加,调幅处理能提高内感应强,提高调幅波信号幅值压,可有效提高内感应强。
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