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M777: Difference between revisions
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M777 was a number I asked IC Manufacturing to reserve because | M777 was a number I asked IC Manufacturing to reserve because | ||
it was a rework of the [[M377]] using SHPi technology. | it was a rework of the [[M377]] using [[SHPi]] technology. | ||
The process name SHPi indicated it was not a significant enough update of SH3 | The process name SHPi indicated it was not a significant enough update of [[SH3]] | ||
(Super High 3) to be SH4, so somewhere between SH3 and SH4 | (Super High 3) to be SH4, so somewhere between SH3 and SH4 | ||
(which never happened to my knowledge). | (which never happened to my knowledge). | ||
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One three pole BWL filter was switched in using the other output of an M84 ([[155-0078-xx]]), and some Ls and Cs on the ECB in the main vertical amplifier. | One three pole BWL filter was switched in using the other output of an M84 ([[155-0078-xx]]), and some Ls and Cs on the ECB in the main vertical amplifier. | ||
The 7A26 (1974) used M84s (155-0078-xx), simple (SH2 IC process) amplifiers | The 7A26 (1974) used M84s (155-0078-xx), simple ([[SH2]] IC process) amplifiers | ||
whose outputs were about 3.2V more positive than their inputs. | whose outputs were about 3.2V more positive than their inputs. | ||
At the last stage (where drift is less important, | At the last stage (where drift is less important, | ||