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We found this circuit in the November 1992 issue of Radio Electronics magazine. The 30V power supply must be symmetrical and preamplification stages are included.
This 8-channel converter was found in a 1970s American documentation. The integrated circuits used are...
This circuit was found in an old publication and operates in the 455 kHz IF band since the...
This circuit implements a 3-way control, with outputs in A, B and C, using CMOS integrated...