The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard oscilloscope. The frequency range depends on the switch settings.
This configuration with the 741 Operational Amplifier has an NAB equalization for magnetic...
This oscillator for sinusoidal signals uses a lamp as a stabilizing element. We found it in the...
The shunt type regulators are connected in parallel with the load, deflecting the current to...