imag0131s

Appendix 2

Circuit symbols

Notes

1    A number of ratfattons crf Circuit wrabob arcctnuoco y Ibunl For europie. -AAA-is still oftcn uscd atthougłi i: is no ionger iK* totnufoMl symhi Ł*a rcsntor.

2    Some symbol detaib arc oftcn kft out In draft diagram*, For «wnple« the V and ‘k’ labcls and thc ordę on <Mc$ anr not always sKown.

Componant	Commontymboli
1 Ibccd rcsistor	-o- «	-W-
2 varinblcreiiłtor	-i,y*1- or	i?-	—— or ' or	|r
3 potcntlometer	-v S	T
4 thennislor	—fco— or	-r
5 LDR	f-’	B
6 capadlor		ii	ID*	—	fe
	-Ir^-1 — locd	U	li ekctroiytk	rańiWe
7 Inductor	—'^rW0W'— or	—	■
	aircored		dustcored	ironcored
8 transformcr	*	■	n	s	1
	aircored		dnstcond	ironcored