Found in RCA documentation from the 1970s, this circuit uses currently unusual integrated circuits. The circuit is of the experimental type not tuned.
Found in an old Elektor, this circuit uses two 7-segment displays to indicate the volume of an...
L1 and C1 determine the frequency of this Colpitts Oscillator. Refer to our section Mathematics...
This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply...