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Old 03-29-2018, 01:20 AM
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ppppenguin ppppenguin is offline
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What was the Japanese experience with their mix of 50Hz and 60Hz power?

In PAL the delay line length is very critical, to within a few degrees of subcarrier. A good NTSC comb filter is likewise critical to get good subcarrier cancellation. A SECAM delay line is relatively uncritical.
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