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Groups > sci.electronics.design > #518139
| From | <698839253X6D445TD@nospam.org> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Interesting LT/Analog op amp |
| Date | 2018-10-02 17:37 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <pp0ae2$1eic$1@gioia.aioe.org> (permalink) |
| References | <uXMsD.182542$RN2.174536@fx40.iad> |
bitrex wrote >The LT1364/1365 dual/quad, 70MHz GBW and 1000V/uS slew rate: > ><http://www.analog.com/media/en/technical-documentation/data-sheets/13645fa.pdf> > >The simplified internal schematic is quite different than most >traditional three-gain-stage V -> I -> V amps, looks like a cascade of >"diamond"-configuration differential current amplifiers. Dunno what you mean by 'diamond shape' input is complementary emitter followers, nothing differential there, via R1 to next stage. The opposite phases are generated by driving the complementary transistor emitters with R1. Some current sources follow.. IN+ drives in fact .. complementary emitter followers... sets the working point. Output is complementary emitter followers, Temp tracking should be really good, else it distorts like ..
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Interesting LT/Analog op amp bitrex <user@example.net> - 2018-10-02 12:22 -0400
Re: Interesting LT/Analog op amp <698839253X6D445TD@nospam.org> - 2018-10-02 17:37 +0000
Re: Interesting LT/Analog op amp Jeroen Belleman <jeroen@nospam.please> - 2018-10-02 21:39 +0200
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