N nsuns New Member Apr 26, 2005 #1 As title, For example, first 78xx, first LM317 whatever, and which company, how long ago Thanks
N nsuns New Member Apr 27, 2005 #3 Re: reply GTAman said: Do you mean the first? Click to expand... Yes, the very first In other word, the history of 7805 Kindly need you guys help
Re: reply GTAman said: Do you mean the first? Click to expand... Yes, the very first In other word, the history of 7805 Kindly need you guys help
audioguru Well-Known Member Most Helpful Member Apr 27, 2005 #4 Fairchild invented the first integrated opamp including the uA741 as described in this history article: I think Fairchild also invented the first integrated uA7805.
Fairchild invented the first integrated opamp including the uA741 as described in this history article: I think Fairchild also invented the first integrated uA7805.
D Dean Huster Well-Known Member Apr 27, 2005 #5 I believe the µa723 predates all of the modern regulators and I think Fairchild was also its mother. Dean
I believe the µa723 predates all of the modern regulators and I think Fairchild was also its mother. Dean
zevon8 New Member Apr 27, 2005 #6 short bit of interesting 1964 Fairchild history: http://smithsonianchips.si.edu/augarten/p16.htm the first linear op-amp, the uA702 ( still available apparently ) same dates as mentioned in the above link, from the Tony Van Roon Guelph University page Tony's page is very good, worth a look around by the way, lots of info and circuits.
short bit of interesting 1964 Fairchild history: http://smithsonianchips.si.edu/augarten/p16.htm the first linear op-amp, the uA702 ( still available apparently ) same dates as mentioned in the above link, from the Tony Van Roon Guelph University page Tony's page is very good, worth a look around by the way, lots of info and circuits.
N nsuns New Member Apr 27, 2005 #7 zevon8 said: short bit of interesting 1964 Fairchild history: http://smithsonianchips.si.edu/augarten/p16.htm the first linear op-amp, the uA702 ( still available apparently ) same dates as mentioned in the above link, from the Tony Van Roon Guelph University page Tony's page is very good, worth a look around by the way, lots of info and circuits. Click to expand... I'd like to offer my greatful thanks to everyone My presentation will be excellent with your help
zevon8 said: short bit of interesting 1964 Fairchild history: http://smithsonianchips.si.edu/augarten/p16.htm the first linear op-amp, the uA702 ( still available apparently ) same dates as mentioned in the above link, from the Tony Van Roon Guelph University page Tony's page is very good, worth a look around by the way, lots of info and circuits. Click to expand... I'd like to offer my greatful thanks to everyone My presentation will be excellent with your help