Josef Punčochář

8 Questions 446 Answers 0 Followers

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 4,412 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 2,687 100 View

Are we able to describe this simple genial circuit now?

Are we able to describe this simple genial circuit now :-)

03 July 2016 8,656 14 View

What "feedback convention" do you prefer?

What "feedback convention" do you prefer - and why?

09 June 2016 1,886 100 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 5,003 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 2,825 23 View

What is the frequency stability of logarithmic amplifiers in the Annex?

Two similar structures, but what about their frequency stability?

02 March 2016 4,730 5 View

What's wrong with the amplifier in the Annex?

It will not be work, why?

24 February 2016 3,098 41 View