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2118-2128: add note on limitations of isolation #72

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sb10q merged 3 commits from architeuthis/datasheets:ttls into master 2024-12-30 11:42:48 +08:00
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2118-2128.tex
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@ -36,7 +36,7 @@ Each card provides two banks of four digital channels, for a total of eight digi
Each channel supports 50\textOmega~terminations, individually controllable using DIP switches. Outputs tolerate short circuits indefinitely. Both cards are capable of a minimum pulse width of 3ns.
Note that isolated TTL cards are less suited to low-noise applications as the isolator itself injects noise between primary and secondary sides. Cable shields may also radiate EMI from isolated ground. For low-noise applications, use non-isolated cards such as 2238 MCX-TTL or 2245 LVDS-TTL.
Note that isolated TTL cards are less suited to low-noise applications as the isolator itself injects noise between primary and secondary sides. Cable shields may also radiate EMI from the isolated grounds. For low-noise applications, use non-isolated cards such as 2238 MCX-TTL or 2245 LVDS-TTL.
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