Time Base (CB25100E)

This time base circuit was found in the January 1988 issue of Radio Electronics magazine. The output signals are 1 Hz and 10 Hz TTL.

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Light Interruption Pulse Generator (CB16057E)
This circuit is suggested by Texas Instruments and can be used on an assembly line to drive an...
Optocoupler Low Power Interface (CB15491E)
In the figure we have a interfacing circuit of TTL logic as CMOS logic using a 6N139 optical...
Series and parallel alarm (CB26225E)
This alarm with sensors in series and parallel was found in the 1995 Encyclopedia of Electronic...