With the capacitor used, this circuit provides delays of 40 to 60 seconds. Larger capacitors can be used, and the SCR supports an equivalent. The circuit is from the 1977 RC semiconductor manual.
This two input simple mixer uses two transistor and can b e upgraded to more inputs. Input...
This simple transistor gain test acts as an oscillator for the transistor under test. The circuit is...
This VCO circuit was obtained in the 1972 RCA linear circuits manual. The integrated comparator is CMOS and...