Fluke PM6690 - Page 179

Input Amplifiers, PCB 1, sheet 2(7)
Schematic Diagrams 9-33
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TRG_LVL_A
FILTER_B TRG_LVL_B
FILTER_A
FILTER_B
TRG_LVL_B
TRG_LVL_A
FILTER_A
TRG_LVL_A1
TRG_LVL_B1
+12VI
+5VAI
+5VBI
-5.2VAI
-5.2VBI
+5VAI-5.2VAI
-5.2VAI
+5VAI+12VI
+5VAI
-5.2VAI
+12VI
-5.2VBI
-5.2VBI
+5VBI+12VI +5VBI
-5.2VBI
+12VI
-5.2VAI
-5.2VAI
-5.2VBI
-5.2VAI
+5VBI
+5VAI
-5.2VAI
+5VBI
+5VBI
-5.2VBI
-5.2VAI
+5VAI
+5VAI5
+5VBI5
-5.2VAI5
-5.2VBI5
+12VI5
IMP A5
ATT A5
AC/DC A5
COM A5
FILTER_A5
IMP B5
ATT B5
AC/DC B5
COM B5
FILTER_B5
REAR PANEL INPUT A9
REAR PANEL INPUT B9
AN 6
B6
BN 6
A6
LE
LE
L55
BLM21A102S
R244
47
1M
R191
R613
1K
10N
C125
C9
1.5pF-500V
BAV99
D10
C143
3-10PF
10n
C167
R184
220
R241
68
R177
120
K2A
UD2
3
4
2
C162
2.2UF-6.3V
Q13
BFR92A
R181
150
R248
120
R163
120
R188
470K
R251
150
R167
47
C151
100NF
K7A
UD2
3
4
2
BAV99
D17
R160
47
10N
C239
R169
68
BAV99
D20
K4A
UD2
3
4
2
-
+
U2A
LMC6081A
3
2
6
C122
22NF-200V
R215
680K
BFT93
Q7
Q5
BFR92A
R237
120
R212
47
C132
100NF
J10
BNC-COAX
C144
Not Used
X34
Q16
BFR92A
BAV99
D31
R148
680K
R246
12K
C20
27PF
10N
C503
+
-
K6C
UD2
18
R205
180K
R195
10K
C140
47P
R254
470K
10N
C227
Q10
BFR93A
K1A
UD2
3
4 2
R216
220K
C24
10PF-500V
R211
1K
Q14
BFR92A
10N
C156
R610
1.2M
R173
47
R193
330
R236
120
R253
150
C133
100NF
R247
120
R180
1K
C117
3.9pF-100V
R182
470K
R220
680K
R199
47K
R213
470K
10N
C158
10N
C240
R179
150
R233
3.3
10N
C163
C7
1.5pF-500V
R229
470K
X35
R170
68
C123
2.2UF-6.3V
C126
100NF
+
-
K1C
UD2
18
R155
47K
BAV99
D34
R194
27
BAV99
D12
Q2
BFR93A
U1B
LMC6081A
V+
7
V-
4
R223
47
R183
10K
10n
C98
C496
2.5-10PF/250V
R165
120
R145
100
K4B
UD2
6
5
7
+
-
U50A
TLE2022C
2
3
1
C139
100NF
R189
470K
C165
100NF
R190
1K
R174
12K
R187
27
10N
C229
R132
100
R176
120
100K
R159
R207
100
R138
0
R149
10M
C260
Not Used
R203
1.5K
10N
C124
J7A
NOT U S E D MINICOAX-3-5
R201
470
+
-
K8C
UD2
18
R158
1M
R135
10
R218
47
L54
BLM21A102S
C146
27pF
C159
100NF
C107
100NF
R250
120
10N
C100
C101
100NF
BAV99
D18
R611
1.2M
R224
1K
BAV99
D33
10N
C19
R196
100K
R171
4.7K
R234
120
R168
82
X36
1M
R262
R260
470K
R222
47
C21
3.9PF-500V
R214
120K
C129
100NF
BAT18
D15
-
+
U1A
LMC6081A
3
2
6
R202
100
R219
330
C131
3.9pF-500V
R249
120
BAT18
D14
R261
470K
BAV99
D30
R153
3.3
C118
39pF
C103
100NF
C152
100NF
C160
100NF
R235
120
C115
3.9pF-100V
10N
C164
R242
68
R258
120K
R192
0
C166
100NF
R142
120K
R185
1K
R239
47
C120
100NF
+
-
K5C
UD2
18
10N
C105
+
-
K2C
UD2
18
R157
47
10N
C504
BAT18
D21
R141
470K
BFT93
Q15
BFT92
Q4
R268
100K
X37
R243
4.7K
R156
470K
C116
3-10PF
10n
C35
10N
C241
Q3
BFR92A
C149
3.9pF-100V
R210
100
C102
100NF
U3A
ADCMP565
LE
5
LE
7
+
10
-
9
OUT
2
OUT
3
R139
1K
C150
39pF
+
-
U50B
TLE2022C
6
5
7
C134
2.2UF-6.3V
R146
47
10N
C230
R231
1M
BAV99
D11
Q1
BF513
BAV99
D36
C22
27PF
C127
100NF
BAT18
D22
R200
470
100K
R154
C99
3.9pF-500V
C234
Not Used
BAV99
D32
R133
470
R136
100
BFT92
Q12
R208
100
C23
3.9PF-500V
R238
150
C130
100NF
K6B
UD2
6
5
7
K5A
UD2
3
4 2
BAV99
D37
10N
C242
R252
1K
R256
220
Q6
BFR92A
R166
150
R225
3.3
C110
22NF-200V
+
-
K4C
UD2
18
Q9
BF513
BAV99
D19
U2B
LMC6081A
V+
7
V-
4
PCB-Pattern
L1
6NH
C6
1.5PF-500V
C108
100NF
C148
3-10PF
C111
3-10PF
R143
680K
PCB-Pattern
L2
6NH
R137
100
U3B
ADCMP565
LE
17
LE
15
+
12
-
13
OUT
20
OUT
19
R273
120K
R217
100
R209
0
C155
2.2UF-6.3V
K8A
UD2
3
4
2
R612
1K
R198
15K
C497
2.5-10PF/250V
C128
100NF
10n
C135
R134
470
R245
47
R227
47
R257
1K
R255
10K
+
-
K7C
UD2
18
R259
27
10N
C136
R151
47
R144
220K
C154
22NF-200V
BAV99
D35
10N
C157
R206
10
R265
100
R172
47
R267
10K
C141
22NF-200V
C138
100NF
100K
R232
Q8
BFR92A
R230
47
R175
120
R150
47
R162
120
+
-
K3C
UD2
18
R164
120
C161
2.2UF-6.3V
C112
Not Used
R228
47K
10n
C97
R264
27
R240
82
R161
3.3
C106
2.5-10PF/250V
R140
47
R266
0
Q11
BFR92A
C114
27pF
C147
3.9pF-100V
U3C
ADCMP565
GND
4
VCC
14
VEE
8
GND
18
GND
6
GND
16
J8
BNC-COAX
U50C
TLE2022C
V+
8
V-
4
J9A
NOT USED MINICOAX-3-5
BAV99
D13
C109
47P
R197
2K
R221
10M
C25
10PF-500V
K2B
UD2
6
5
7
R263
330
100K
R226
R147
330
K8B
UD2
6
5
7
C119
100NF
R178
120
K6A
UD2
3
4
2
K3A
UD2
3
4
2
C8
1.5PF-500V
10N
C228
C104
2.2UF-6.3V
C137
2.5-10PF/250V