obsolete #retrocomputing #electronics #hardware for #delay-lines; right now there’s an ADL-SE2246F combo filter/delay line (for PAL) for £3. But most of the alternatives are silicon chips.
on 02024-11-22#PDF dissertation from 01968 where Backers proposes “Ultrasonic #delay-lines for the PAL colour-television system” #history #electronics #hardware
on 02024-11-22air-based #delay-lines #hardware #electronics for memory
on 02024-11-22more about #delay-lines #hardware from TVs. #electronics
on 02024-11-22using #delay-lines #hardware from a PAL TV for 32 bits of memory #electronics
on 02024-11-22