Schmitt Trigger (CB21849E)

We found this circuit in the 1974 Ferranti transistor manual. Transistors are from the time, being general purpose types.

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Function Generator (CB25312E)
This circuit with a dual power supply generates sinusoidal, triangular and rectangular signals. We found...
500 kHz to 10 Mz XTAL TTL Oscillator 7402 (CB16098E)
This circuit differs from the previous ones by using the 7402, which consists of 4 two-inputs NOR...
Integrator 741 (CB12990E)
In the figure we have the simple way to obtain an integrator with an operational amplifier of type...