2N datasheet 2N component 2N integrated circuit 2N schematic 2N application note N 2N 2N34 2N3. 2N Description = Low Power Field Effect Transistor ;; Case Style = TO18 ;; Geometry = FN ;; Page Number = E28+E Page 1. This datasheet has been downloaded from at this page. Page 2.
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Home Questions Tags Users Unanswered. I can sort of understand why TI wouldn’t bother updating an old app note, but I find it strange that LT wouldn’t update one of its “solutions” on its website.
If the opamp is powered so that its output can swing to 12 V or so, then just a single modern MOSFET would suffice, even for very large currents. However, you’d need to be careful about the gate capacitance causing stability problems.
(PDF) 2N3456 Datasheet download
Why — was it an electrical limitation or cost or something else? Both of the example circuits are old; the 2N transistor is a metal-case unit no longer easily available. Sign up using Email and Password. There is no error due to base current. Post as a guest Name. I understand that the 2N JFET is there to remove the beta error caused by connecting the BJT base directly to the op amp output as in this circuit.
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Note that the LM is very old. Null 4, 10 22 Sign up or log in Sign up using Google. Whit3rd 4, 10 The size of the silicon slab used was very limited.