This TTL circuit generates a 100 MHz signal for digital instruments. The CI is not easy to obtain, being of the high speed MECL type. The circuit is from a 1972 Motorola manual.
In the figure we have a simple signal tracer circuit to be coupled to the volume control of an AM...
This circuit was found in documentation from the 90s, using components from that time. The...
This circuit, obtained from old documentation, allows the recovery of sulfated batteries. The...