reg + reference
in [Design]
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From: Joerg on 26 Mar 2010 17:34 John Larkin wrote: > ftp://jjlarkin.lmi.net/V220_reg.JPG > Just curious, why not replace all this with one of these: http://www.analog.com/static/imported-files/Data_Sheets/ADR01_02_03_06.pdf Much less space, cheaper. Unless you need the 3.3V somewhere. There's also a ref that can generate 3.0V from as low as 3.2V but I don't remember the P/N. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Tim Williams on 26 Mar 2010 17:45 "John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message news:ds6qq5pog4jacgoi7fdnunckt584e7emkr(a)4ax.com... > I figured using the beta thing would predictably get the geezers all > worked up. There's nothing wrong with it. Ha. And this after pre-coffee pouncing on my designs? Pot, Kettle, Larkin ;-) Tim -- Deep Friar: a very philosophical monk. Website: http://webpages.charter.net/dawill/tmoranwms
From: John Larkin on 26 Mar 2010 18:11 On Fri, 26 Mar 2010 16:45:37 -0500, "Tim Williams" <tmoranwms(a)charter.net> wrote: >"John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message >news:ds6qq5pog4jacgoi7fdnunckt584e7emkr(a)4ax.com... >> I figured using the beta thing would predictably get the geezers all >> worked up. There's nothing wrong with it. > >Ha. And this after pre-coffee pouncing on my designs? > >Pot, Kettle, Larkin ;-) > >Tim Funny, you didn't seem to be a geezer, up to now. BCX71K is beta graded from 380 to 630 at 2 mA. John
From: John Larkin on 26 Mar 2010 18:12 On Fri, 26 Mar 2010 16:45:37 -0500, "Tim Williams" <tmoranwms(a)charter.net> wrote: >"John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in message >news:ds6qq5pog4jacgoi7fdnunckt584e7emkr(a)4ax.com... >> I figured using the beta thing would predictably get the geezers all >> worked up. There's nothing wrong with it. > >Ha. And this after pre-coffee pouncing on my designs? > >Pot, Kettle, Larkin ;-) > >Tim Repeating yourself is a sign of impending geezerdom. John
From: Jim Thompson on 26 Mar 2010 18:22
On Fri, 26 Mar 2010 10:19:55 -0700, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: > >ftp://jjlarkin.lmi.net/V220_reg.JPG > > >John Since the PNP is in the saturation (resistive) region, the improvement over just a series resistor is... ?? ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | The only thing bipartisan in this country is hypocrisy |