1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Excem
12, chemin des Hauts de Clairefontaine
78580 MAULE FRANCE
http://www.excem.fr mailto:[email protected]
tel: 01 34 75 13 65 fax: 01 34 75 13 66
tel int: +33134751365 fax int: +33134751366
Client :
Fichier :
Auteur :
Numéro de dessin :
Date :
Feuille :
/
4
19
NEXO
NX242rev2_0-S12.sch
0409230104
6-Oct-2004
Page :
Frédéric Broydé
NX242 TDcontroller (revision 1)
+22V in
Input +
Input -
1
2
3
4
8
V+
V-
U1202A
MC33078
5
6
7
U1202B
MC33078
-22V in
Out+
OutRef
R1201
20K 1%
Q1201
PZT2907A
Q1202
BCV62C
D1201
PMLL4148L
D1202
PMLL4148L
Q1204
BCV61C
Q1203
PZT2222A
D1203
BZV55C7V5
D1204
BZV55C8V2
D1206
BZV55C8V2
D1205
BZV55C7V5
+
C1201
470U 25V
+
C1202
470U 25V
R1205
100K 1%
R1206
100K 1%
C1203
100P
R1208
10K
+18V
-18V
-18V
S1
4
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
S8
9
D
8
A0
1
A1
16
A2
15
EN
2
V+
13
GND
14
V-
3
U1205
DG408
R1216
909 1%
R1215
365 1%
R1214
511 1%
R1213
715 1%
R1212
1.05K 1%
R1211
1.47K 1%
R1210
2.05K 1%
R1209
2.87K 1%
+15V
-15V
Z1201
BRIDGE
+18V
-18V
6
2
3
4
7
5
1
Ref
Sense
V-
V+
U1201
INA137
CMout
R1217
1K
+18V
C1204
1N 5%
R1207
1K
Gain EN
Gain A0
Gain A1
Gain A2
+18V
-18V
+18V in
-18V in
+15V
-15V
+15V in
-15V in
C1207
47N
C1208
47N
C1209
47N
C1210
47N
C1205
47N
C1206
47N
TST1201
VDIFFL
TST1202
GND
TST1203
VCML
TST1204
VATTL
1
2
3
4
8
V+
V-
U1203A
MC33078
D1209
BAS85
D1208
BAS85
D1207
BAS85
C1211
22UF 35V
R1220
10K
R1218
150K 1%
R1219
150K 1%
C1212
1.5N 1%
C1213
1.5N 1%
R1221
1K 0.1%
R1222
1K 0.1%
R1204
3.3K 1W
C1214
100pF
1
2
3
4
8
V+
V-
U1204A
NJM2114D
