dumbnish

hey ppl i need help wid d above ckt..........can sm1 plz explain d use of IC1..is it only for current limiting.....also wats d input to IC2?? guys d ckt is a gr8 find thnx......but i need further help....... also temme hw to include short ckt prevention.....plzzz

ppl temme dis........wen u say apply -1.2 at adj pin.....u mean like applyin it using another lm 317.......wont der a problem of feedback(sourcing)...also wats d best way of producing -1.2 for dis lm317.............according to u guys?

is der a better way by using opamps or smthing like dat....also can we use zeners?

ppl i need urgent help....im makin a 0-30v power supply using lm317 but its regulated output is from 1.2-37.....i need it from 0v not 1.2 v.....hw can i make it work...is der neways by using opamps etc....plz help me fast