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</blockquote> | </blockquote> | ||
<blockquote> | <blockquote> | ||
In 1972, the [[485]] came out with a 250 MHz, 1 MΩ input. | In 1972, the [[485]] came out with a 250 MHz, 1 MΩ input. | ||
("SH2", 3.5 GHz) but the 1 MΩ to 50 Ω converter used only discrete devices. | The 485 used a faster IC process | ||
("[[SH2]]", 3.5 GHz) but the 1 MΩ to 50 Ω converter used only discrete devices. | |||
(See Electronics June, 1972.) | (See Electronics June, 1972.) | ||
</blockquote> | </blockquote> |