3.3nF OPA1664 22 17 problems of feedback stability; we did not bias them into OPA1604 35 20 – U LM7322 20 18 crossover-free class-AB conduction, having found no im- 5k 1a LM7332 21 15 provement withthelatter.(b)The Toshiba “Amobeads” (B 1 3.3nF + LM4562 55 20 V and B 2 see also §1x.4.3E) were effective
