RGB to NTSC video converter (CB9387E)

Found in a Radio Electronics from the 90s, this circuit converts analog TV signals from RGB to NTSC. The integrated circuit is not common today.

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Line Receiver for Shared Line (CB13056E)
In the figure we show the typical configuration of a shared line using a twisted pair where the...
PLL Digital Metronome (CB18753E)
We found this digital CMOS circuit in a documentation from the 90s. The circuit generates signals...
Summing without adjustment (CB4907E)
This tuning-free circuit was found in an old operating amplifier manual. The setting can serve as...