Although these days transistor-transistor logic (TTL) is the most common, diode-transistor logic (DTL) once was a regular sight, as well as diode-resistor logic (DRL).

Posted in how-to Tagged diode-transistor logic, DTL, logic gates ← All You Need To Know About Photographic Lenses PVA Filament: Not Always What It Seems ...

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Robert Keeley’s fingerprints are all over the Manis as the pedal boffin delivers a pedal that can serve faithful Klon tones, and plenty more punch beyond it ...