Film marker (CB8347E)

Used with old projector films, this circuit found in Signalite documentation from the 1980s, records digital information on 35 mm films.

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Loudness Control (CB872E)
This circuit changes an audio signal to get better reproduction. It is important when editing...
Square Oscillator (CB23733E)
The circuit shown in figure 5 generates square signals based on a transconductance operational amplifier...
HSFM C11x Tricolor ChipsLEDs (COM005E)
May 2016 - It can be obtained from Mouser Electronics new tricolors chipsLEDs from Broadcom for...