˚ ˚ http://www.belling.com.cn - 1Total 12 Pages 8/8/2006 X X XX ˚ ˚ VKA I KA I REF http://www.belling.com.cn - 2Total 12 Pages 8/8/2006 VKA I KA VREF ˚ TA ˚ VREF VREF VKA VREF I KA I KA VKA I KA VKA VREF Z KA I REF ˚ VKA VREF VREF VKA ˚ VKA VREF I KA VKA VREF I KA I KA I KA I REF I KA http://www.belling.com.cn TA ˚ VKA VREF - 3Total 12 Pages 8/8/2006 VKA VREF VKA VREF http://www.belling.com.cn - 4Total 12 Pages 8/8/2006 2.510 5.0 2.505 V KA V REF I KA 10 mA 4.0 2.500 3.0 2.495 2.0 2.490 1.0 2.485 R1 10 K , R 2 I KA 10 mA 0.0 -60 -40 -20 0 20 40 60 80 100 120 140 -60 -40 -20 0 20 40 60 ? 80 100 120 140 ? 150 800 100 V KA V REF TA 25 C 600 50 400 0 200 -50 0 -100 -2 -1 0 1 2 3 -200 -1.0 -0.5 0.0 V KA V REF TA 25 C 0.5 1.0 1.5 2.0 2.5 60 50 I KA 10 mA TA 25 C 40 30 20 10 0 1000 1k 10000 10k 100000 100k http://www.belling.com.cn 1000000 1000k 10000000 10000k - 5Total 12 Pages 8/8/2006 5 4 3 2 1 0 -1 0 1 2 3 4 5 6 2.0 -0.8 1.8 -0.9 1.6 1.4 BL 431 1.2 V REF 20V : V KA BL 431 20V : V KA 3 .5Vto18V 18V -1.0 0 1.0 -1.1 0.8 -1.2 0.6 0.4 -1.3 0.2 0.0 -1.4 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 -40 -20 0 20 40 60 80 100 120 11 10 9 8 I KA 10 mA TA 25 C 7 6 5 4 3 2 1 0 1000 1k 10000 10k 100000 100k http://www.belling.com.cn 1000000 1000k 10000000 10000k - 6Total 12 Pages 8/8/2006 http://www.belling.com.cn - 7Total 12 Pages 8/8/2006 http://www.belling.com.cn - 8Total 12 Pages 8/8/2006 http://www.belling.com.cn - 9Total 12 Pages 8/8/2006 http://www.belling.com.cn - 10Total 12 Pages 8/8/2006 http://www.belling.com.cn - 11Total 12 Pages 8/8/2006 http://www.belling.com.cn - 12Total 12 Pages 8/8/2006