29 December, 2013

Reconstruction of Priselector

Since condition was not so good, preselector was converted.


The reconstruction part added the galvanic isolator to the input side, and suppressed inflow of the noise. 

Moreover, it enabled it to also choose a preamplifier of 10 dB for rectifying, when an antenna with few profits is connected. 

The characteristic of a preselector is as follows. 



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