Buffer with MOSFET (CB26318E)

This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils used.

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Color organ (CB9089E)
This was the original title given by the publication of the 80s in which we found it. Similar...
Application of the 4 and a half digit AD7129 converter (CB14869E)
This circuit is from the 1983 Intersil manual. The display is a 4.5-digit LCD, and the power...
AD650 Voltage to Frequency Converter (CB25384E)
This V/F converter was published in the June 1991 issue of Radio Electronics magazine. The...