Josef Punčochář

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Questions related from Josef Punčochář

Why increases transfer Uo/Ui on "stop frequency" if increases level of the input signal?

See pictures below.

01 January 2017 4,311 22 View

Which an amplifier is really the transimpedance amplifier?

Which an amplifier is really the transimpedance amplifier: (a) or (b) :-)) in (a) common VFA is used in (b) is common CFA

09 August 2016 2,655 100 View

How big can be an amplitude of the input step, not to exceed the slew rate SR of amplifier G?

In the picture is the basic model structure of the amplifier G (inverting, noninverting, differential, ...), its slew rate is SR. It is important to be able determine the maximum amplitude of the...

14 April 2016 4,977 24 View

What properties must have OPA2 in annex?

What properties must have OPA2 in annex in order to work the circuit correctly?We suppose UREF 0 to 1 V.

08 March 2016 2,788 23 View

What's wrong with the amplifier in the Annex?

It will not be work, why?

24 February 2016 3,060 41 View