Ramp Generator (CB21842E)

We found this circuit in Ferranti's 1974 transistor manual. Transistors are general-purpose types at the time.

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Transistor Tester (CB18448E)
This simple transistor tester was found in a Japanese magazine in 1967. It tests general purpose...
SN74LVC1G79 and SN74LVC1G179-Q1 Type D Flip Flop from Texas Instruments
Texas Instruments Type D flipflops N74LVC1G79 and SN74LVC1G179-Q1 for operation from 1.65 to 5.5V...
Pacemaker (CB7372E)
This circuit is from 1968 American medical documentation. The circuit generates pulses of...