A. Circuit's design


B. Part's list
PRODUCT:Temperature Senor
NO
 		ITEM
 		QTY
 		LOCATION
1
 		PCB
 		1
2
 		IC OP07 1
 		U1
3
 		Capacitior 30Pf  1
 		C1
4 Capacitior 0.1Uf 1
 		C2
5
 		Sensor AD590 1
 		RTD
6
 		Resistance 1K 1
 		R1
7
 		Resistance 35.7K 1
 		R2
8
 Resistance 27K 1
 R3
9
 Resistance 45K 1 R4
10
 Resistance 470£ 1 R5
11
 Varistor   2K 1 VR1
12
 Varistor   5K 1 VR2

C. Pin Assignment
J1-1
 ----->
 +12V
J1-2
 -----> -12V
J1-3
 -----> Temperature out
J1-4
 -----> GND
J2-1
 -----> Signal in
J2-2
 -----> -12V