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M777: Difference between revisions
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The [[7A11]] (1969) used PNPs at every other stage to go back and forth between +7.1V and -7.1V with cascode amplifiers. | The [[7A11]] (1969) used PNPs at every other stage to go back and forth between +7.1V and -7.1V with cascode amplifiers. | ||
The PNPs were 4GHz, and this resulted in the fastest 1 megohm input of any 7K plugin. | The PNPs were 4GHz, and this resulted in the fastest 1 megohm input of | ||
[[:Category:7000_series_vertical_plugins|any 7K plugin]]. | |||
The [[7A18]] (1971) used common base PNP transistors to get back down to the 0V common mode signal required by the main frame. | The [[7A18]] (1971) used common base PNP transistors to get back down to the 0V common mode signal required by the main frame. | ||