for customer ordered me pcb with LF i bought in Greece, but LF356. https://www.ebay.com/itm/32423286283...gAAOSwcLxYKeFw
getting good result a buyer can buy LF357 from chineses choosing good one. DP is good tester for this opamp. with fake (slow/not JFET) opamp
DP will give constant sound without reaction on a metal. my stock of desoldered TL081's had ended, earlier i put it with pcb for free just the buyer
could get working board.
getting good result a buyer can buy LF357 from chineses choosing good one. DP is good tester for this opamp. with fake (slow/not JFET) opamp
DP will give constant sound without reaction on a metal. my stock of desoldered TL081's had ended, earlier i put it with pcb for free just the buyer
could get working board.
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