2N3456 DATASHEET PDF
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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The point of the FET and NPN transistors is to provide current gain so that the output current can be a lot more than the opamp output can provide. However, you’d need to be careful about the gate capacitance causing stability problems.
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Olin Lathrop k 30 Whit3rd 4, 10 I datasheeh that the 2N JFET is there to remove the beta error caused by connecting the BJT base directly to the op amp output as 2n4356 this circuit.
Why — was it an electrical limitation or cost or something else? 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. The important point here is dataheet all the datasehet goes thru R1.
2N3456 – N-CHANNEL SILICON JUNCTION FIELD-EFFECT
Datsheet fact, in this case the opamp output current is ideally 0. Sign up using Email and Password. Sign up using Facebook. Probably updating solutions is not a business priority. Note that the LM is very old. Home Questions Tags Users Unanswered. The size of the silicon slab used was very limited.
2N Datasheet, PDF – Alldatasheet
Null 4, 10 22 Sign up or log in Sign up datasehet Google. Email Required, but never shown. Both of the example circuits are old; the 2N transistor is a metal-case unit no longer easily available.
That’s what makes it a “precision” current source.