Morse Code Practice Oscillador (T118E)

This Morse Code practice oscillator was found in the 1970 RCA valve manual. Transformers are the critical components of the design.

Digital Sinusoidal Signal Synthesizer with the 4018 (CB4629E)
The 5 outputs of the internal 4018 integrated flop flops can be used simultaneously for the...
Target Shooting (CB4407E)
We found this circuit in a 1992 magazine, but it can be easily assembled today because the...
Current Sensor and Fuse Monitor (CB5266E)
Found in a 2005 Linear Technology application manual, this circuit monitors the current in a load...