Is it possible to use a 75MHz am radio receiver with a 27 MHz am transmitter if i match the crystals?


I fried the 27mhz receiver by accidentally reversing the polarity and i had the 75mhz laying around.  I was wondering if putting the 27mhz receiver crystal in the 75 mhz reciever would work.  Thanks in advance for your answers.

sort by: active | newest | oldest
jeff-o6 years ago
Probably not. There's more to it than just the crystal. Other components that make up the various stages of filters and oscillators would also need to be changed. How fried is your 27MHz receiver? And you identify any parts that are obviously blown, that could be replaced?
jules15 (author)  jeff-o6 years ago
it doesnt look blown except for the tuning coils inside. the wax stuff is all melted over. this is the 2nd time that this has happened to me ahhhh !!
jeff-o jules156 years ago
Second time, eh? That could mean some other part in there is not happy, and is causing things to blow up. So how did you fix it the first time?
jules15 (author)  jeff-o6 years ago
it happened to 2 different ones, not twice to the same one. sorry for not clarifying
kricketone6 years ago
I am a ham radio operator the answer is no....................
It might work, I have doubts, but it might.