"Blarp = Giant FART " ">> >>"Phil Allison" >> >>"Jon Elson" >>>> >>>> http://i555.photobucket.com/albums/jj477/panfilero/Capture-1.jpg >>> >>> This circuit has a 2:1 DC gain ... >> >> >>** Nope - the schem as shown has a DC gain of zero. >> >>Without C1 ( and R2 grounded) it has a DC gain of 3, so the 2.5 volt fixed >>input drives to op-amp to the 5V rail. >> >>The "pan fried sandwich" is a colossal idiot. >> >>And you are no better. >> > >> > On my planet,** Where all the locals have two heads, eight penises plus a beak. But no brain...> the DC gain relative to 2.5V (without C) would be > -R1/R2. i.e. -2x.** The DC gain is 3 from the + input. Try following the actual context, you fucking retard. ..... Phil
simple opamp amplifier circuit
Started by ●June 18, 2012
Reply by ●June 19, 20122012-06-19
Reply by ●June 19, 20122012-06-19
On 06/19/2012 09:12 AM, Blarp wrote:> On Tue, 19 Jun 2012 07:59:16 +1000, "Phil Allison"<phil_a@tpg.com.au> > wrote: > >> >> "Jon Elson" >>>> >>>> http://i555.photobucket.com/albums/jj477/panfilero/Capture-1.jpg >>> >>> This circuit has a 2:1 DC gain ... >> >> >> ** Nope - the schem as shown has a DC gain of zero. >> >> Without C1 ( and R2 grounded) it has a DC gain of 3, so the 2.5 volt fixed >> input drives to op-amp to the 5V rail. >> >> The "pan fried sandwich" is a colossal idiot. >> >> And you are no better. >> >> >> .... Phil >> >> >> > On my planet, the DC gain relative to 2.5V (without C) would be > -R1/R2. i.e. -2x. > I know, it is hard..So capacitors conduct DC where you live? Must be pretty warm there, which figures. ;) And if you think Phil A is wrong about what happens when you ground the C1 end of R2, why not try it and see? (Or calculate the loop currents, or use the voltage divider equation, or ....) Cheers Phil Hobbs Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 845-480-2058 hobbs at electrooptical dot net http://electrooptical.net
Reply by ●June 20, 20122012-06-20
On 6/18/2012 8:48 PM, Phil Allison wrote:> "miso = Cunthead" > >>> The "pan fried sandwich" is a colossal idiot. >>> >>> And you are no better. >>> >> >> When learning, you need to start somewhere. > > > ** When bullshitting - you need to know when to stop. > > >> I see no reason... > > > ** That alone is true, the rest is purest bullshit. > > Fuck off - you bloody troll. > > > ... Phil > >You sure are one fucked up shithead. Have you considered giving up meth>?
Reply by ●June 20, 20122012-06-20
