> I've got this schematic I want to put together. Two questions: > 1) There are some resistances called out in the format 4k7. Does that mean > 4.7 k? Yes. > B) There are transistors called out as 2n222a. Is that really PN222A? Can > PN222A's be used instead of 2N222A? Do you mean 2N2222A (4 2s). Most likely you can use PN2222A instead. What is the circuit? Orin.