The basis of this circuit is the HA2400 released at the time. The circuit is from a Radio Electronics magazine from March 1980. The power supply must be symmetrical at 15 V.
What differentiates this circuit from the previous one (CB15613E) is the non-need to use a...
This is another one of the crystal oscillator configurations with the 4001. Many of them are on...
This circuit makes the simple test of SCRs that have a low maintenance current, with those of the...