Logical optical driver (CB7300E)

We found this circuit in a Motorola documentation from 1968. Phototransistors are common and bipolar general purpose.

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1.5 to 10 V inverter (CB20462E)
This circuit provides an output of 5 to 10 V at its output from inputs of 1.5 to 4.5 V. The output...
Function generator (CB22372E)
We found this circuit in an old publication. The ICM7556 is a dual CMOS 555. The other components are...
Complementary emitter follower (CB7979E)
This complementary or bilateral emitter follower was found in American documentation from the 90s....