I found the comment about Sony's belief that NPN transistors are superior to PNP very interesting.
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Voice of Nigeria Plans Antenna Reactivation for Broader African Broadcasts
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Thanks to a tip from SWLing Post contributor Paul Walker, who spotted the
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Yes, Jon Y at Asianometry crushes it again! Always interesting, informative and perfectly narrated. See also the one on Micron.
ReplyDeleteNPN had the electron mobility and ft advantage, whereas PNP had a slightly lower audio NF advantage--all things considered equal. But it matters much less now with the planar process.