27mhz help carrier ?
时间:04-07
整理:3721RD
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how i can insert audio in 27mhz carrier ?
http://talkingelectronics.com/projec...mages/Fig1.gif
http://talkingelectronics.com/projec...mages/Fig1.gif
"Insert" is somewhat vague. Modulation would be either AM or FM. Frequency modulation of a crystal ocillator would need a varicap to achieve a reasonable frequency swing.
i want make audio transmitter at 27mhz
first i want to make a 27mhz oscillator
how i can connect between audio source and 27mhz oscillator with am modulation
Something like below:

thank youuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu uuu
