Melody Generator (CB25350E)

Based on an LS3404 this circuit was found in the July 1990 issue of Radio Electronics magazine.

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60 kHz ferrite antenna (CB6981E)
Found in a publication for radio amateurs from the 1980s, this circuit amplifies signals in the 60...
16 V Power Supply with Pulse Generator (CB14708E)
We found this circuit in GE's 1977 transistors manual. Transistors admit equivalents according to the...
Automotive power control (CB7111E)
Found in an Electronics Now from the 90s, this circuit is used to control the supply of...