This basic TTL watch and minute clock circuit was found in European documentation from the 1970s. The power supply is not included and is given in CB19635E. The circuit uses common anode displays.
Offset Adjustment on an Amplifier with the LM139 (CB14245E) In the figure we have the way of...
This circuit compares the voltages of the two inputs giving as output 0 or 1 according to the...
This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the...