Fluke PM6690 - Page 163

Oscillator Circuits, PCB 1, sheet 5(7)
Schematic Diagrams 9-17
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
STD OSC ON/OFF
OVEN OSC ON/OFF
RUBIDIUM ON/OFF
PLL LOCK
LOAD PLL
PLL LOCK
RB LOCK
AN
AN
BN
LOAD OVEN
LOAD OVEN
LOAD PLL
OVEN OSC ON/OFF
RUBIDIUM ON/OFF
STD OSC ON/OFF
100MHz
100MHz
-5.2L
RB LOCK
100MHz
+3.3U49
+3.3U49
S/R_ON/OFF
S/R_ON/OFF
BN
10MHZ_RUBIDIUM1
RB LOCK1
RESETHER
LOAD TRGLVL A 1
LOAD TRGLVL B
+3.3VD 1,2,5,7,8
+3.3V_U4 1
+12VO
-2.1V
+3.3V_PLL
+3.3V_U4
+3.3V_U4
+12VO
+3.3V_PLL
+3.3VD
-5.2VA
+3.3VD
-5.2VA
-2.1V
-2.1V
-2.1V
-2.1V
+5VD
+3.3VD
-5.2VA
+3.3VA
+3.3VA
+3.3VA
-5.2VA
-12VA
-12VA
-12VA
-2.1V
+3.3VD
+3.3V_U4
+3.3VA
+3.3VA
-2.1V
-12VA
-5.2VA
+3.3VA
+5VD
+3.3VD
STD OSC TRIM2
EXT REF8
SPICLK1,2
SPIDATA1,2
AN3
A3
PRESC ON 5
PRESC TEST 5
OPTION 5
RESGPIBN 8
EXTREFON 8
OPCLK 5
C5
+12VU7
B3
+12VA1,4,5,7
+5VA1,4,5
-12VA1,4,7,8
-5.2VA5,7
+3.3VA7,8
+3.3VD1,2,5,7,8
BURST5
BN3
+5VD1,2,5,7,8
EXTCTRL8
ST D OSC.
OV E N OS C.
PHASE L OCK LOOP
R283
47K
R283
47K
BAV99
D25
BAV99
D25
L13
BLM21A102S
L13
BLM21A102S
R306
100
R306
100
R275
10K
R275
10K
BAV99
D26
BAV99
D26
100K
R289
100K
R289
100K
R589
100K
R589
Q23
BFS17
Q23
BFS17
10N
C205
10N
C205
R607
100
R607
100
R339
150
R339
150
10N
C173
10N
C173
R310
68
R310
68
2
3
1
+
-
U8A
LM358
+
-
U8A
LM358
10N
C211
10N
C211
R309
47
R309
47
R328
120
R328
120
2
4
U47A
LVC1G04
U47A
LVC1G04
R301
NOT USED
R301
NOT USED
R323
100
R323
100
R312
22
R312
22
C204
100NF
C204
100NF
R591
150
R591
150
R624
2.2K
R624
2.2K
R271
220
R271
220
VCC
5
GND
3
U49B
NOT USED 1G04
U49B
NOT USED 1G04
R326
100
R326
100
10N
C214
10N
C214
L8
BLM21A102S
L8
BLM21A102S
X25
X25
R316
100
R316
100
L6
BLM21A102S
L6
BLM21A102S
C193
100NF
C193
100NF
C178
22PF
C178
22PF
R292
4.7K
R292
4.7K
R307
100
R307
100
R344
68
R344
68
X52
X52
C201
100NF
C201
100NF
R342
820
R342
820
Q20
BFS17
Q20
BFS17
10N
C174
10N
C174
R350
680
R350
680
C170
100P
C170
100P
L58
NOT USED
L58
NOT USED
R351
10
R351
10
10N
C494
10N
C494
R320
47
R320
47
BAV99
D29
BAV99
D29
6
5
7
+
-
U8B
LM358
+
-
U8B
LM358
C210
100NF
C210
100NF
R9
NOT USED
R9
NOT USED
R606
100
R606
100
L5
BLM21A102S
L5
BLM21A102S
R332
39K
R332
39K
R278
2.2K
R278
2.2K
C221
100NF
C221
100NF
C219
100NF
C219
100NF
R8
Not Used
R8
Not Used
2
4
U49A
NOT USED 1G04
U49A
NOT USED 1G04
CP
2
RSET/FLD
1
RFINB
5
RFINA
6
REFIN
8
CLK
11
DATA
12
LE
13
MUXOUT
14
CE
10
U9A
ADF4001
U9A
ADF4001
R329
2.2K
R329
2.2K
R325
47
R325
47
R315
47
R315
47
1M
R274
1M
R274
R569
150
R569
150
BAV99
D28
BAV99
D28
10N
C190
10N
C190
10N
C224
10N
C224
R623
470
R623
470
L7
BLM21A102S
L7
BLM21A102S
R317
100
R317
100
R590
150
R590
150
PLLLOCK
8
RBLOCK
9
10MOVEN
7
10MSTD
5
10MRB
6
EXTREF
3
100M
185
10MPLL
11
OVENCTRL
203
RBCTRL
204
STDCTRL
205
S/R_CTRL
202
EXTREFCTRL
206
A
17
AN
18
B
20
BN
21
SR
30
SRN
31
C
22
D
16
E
15
CTRL0
48
CTRL1
49
CTRL2
100
CTRL3
181
CTRL4
188
CTRL5
189
CTRL6
193
CTRL7
199
CTRL8
200
CTRL9
201
U0
75
U1
77
U2
80
U3
81
U4
4
A5
96
COUNTER CIRCUIT
U11B
SPARTANIIE
COUNTER CIRCUIT
U11B
SPARTANIIE
R335
47
R335
47
C487
22pF
C487
22pF
L57
BLM21A102S
L57
BLM21A102S
C192
100uF-6.3V
C192
100uF-6.3V
R341
22
R341
22
L52
BLM21A102S
L52
BLM21A102S
R336
Not Used
R336
Not Used
C5
100NF
C5
100NF
11
12
13
&
ALVC00
U4D
&
ALVC00
U4D
C215
100NF
C215
100NF
Q17
BC807-25
Q17
BC807-25
C179
22PF
C179
22PF
L11
BLM41P800S
L11
BLM41P800S
CV In
1
CV Out
2
+12V
3
Out
4
GND
5
B1
10 MHZ / CO-08
B1
10 MHZ / CO-08
V+
7
V-
4
U6B
OPA277
U6B
OPA277
R347
22
R347
22
R282
47
R282
47
VCC
5
GND
3
U47B
LVC1G04
U47B
LVC1G04
R272
3.3K
R272
3.3K
C213
6.8UF-16V
C213
6.8UF-16V
10N
C226
10N
C226
R338
100
R338
100
10N
C225
10N
C225
L10
BLM21A102S
L10
BLM21A102S
R290
4.7K
R290
4.7K
C172
1n
C172
1n
R608
100
R608
100
C169
1N
C169
1N
C187
47P
C187
47P
R311
68
R311
68
R333
270
R333
270
10N
C206
10N
C206
Q24
BSR12
Q24
BSR12
R348
100
R348
100
R291
4.7K
R291
4.7K
R303
47K
R303
47K
L12
BLM21A102S
L12
BLM21A102S
C186
68P
C186
68P
10N
C181
10N
C181
10N
C203
10N
C203
C222
10PF
C222
10PF
23
24
18
17
&
U12E
10E104
&
U12E
10E104
C168
1N
C168
1N
R269
47
R269
47
R340
270
R340
270
Q19
BFS17
Q19
BFS17
L9
BLM21A102S
L9
BLM21A102S
R588
NOT USED
R588
NOT USED
Q25
BSR12
Q25
BSR12
Q22
BFS17
Q22
BFS17
10N
C207
10N
C207
C176
100P
C176
100P
C195
100NF
C195
100NF
R293
10K
R293
10K
R322
39K
R322
39K
VRef
1
RFb
2
SRI
6
CLK
7
LD
5
IOut
3
U5A
LTC8043
U5A
LTC8043
R270
10K
R270
10K
R287
47
R287
47
R318
47
R318
47
C217
100NF
C217
100NF
VDD
8
GND
4
U5B
LTC8043
U5B
LTC8043
27
28
13
12
&
U12C
10E104
&
U12C
10E104
L53
BLM21A102S
L53
BLM21A102S
VEE
1
VCC0
16
F2
19
VCC
11
F1
20
VCC0
21
U12F
10E104
U12F
10E104
C16
22PF
C16
22PF
R331
10K
R331
10K
2
3
10
9
&
U12B
10E104
&
U12B
10E104
25
26
15
14
&
U12D
10E104
&
U12D
10E104
8
9
10
&
ALVC00
U4C
&
ALVC00
U4C
X27
X27
4
5
8
7
&
U12A
10E104
&
U12A
10E104
C183
2.2UF-6.3V
C183
2.2UF-6.3V
BAV99
D27
BAV99
D27
C171
100P
C171
100P
L14
BLM21A102S
L14
BLM21A102S
R321
10K
R321
10K
C180
33PF
C180
33PF
VCC
5
GND
3
U48B
LVC1G04
U48B
LVC1G04
100K
R288
100K
R288
D23
SMV1255-073
D23
SMV1255-073
1M
R280
1M
R280
R313
47
R313
47
3
2
6
1
8
-
+
U6A
OPA277
-
+
U6A
OPA277
R284
10K
R284
10K
Q27
BC847B
Q27
BC847B
D24
SMV1255-073
D24
SMV1255-073
R295
100
R295
100
V+
7
V-
4
U7B
OPA277
U7B
OPA277
R304
NOT USED
R304
NOT USED
C182
33PF
C182
33PF
10N
C189
10N
C189
C495
NOT USED
C495
NOT USED
R281
1K
R281
1K
2
4
U48A
LVC1G04
U48A
LVC1G04
C188
68P
C188
68P
L3
100N
L3
100N
C498
22PF
C498
22PF
B2
10MHZ
B2
10MHZ
C185
15pF
C185
15pF
GND
7
VCC
14
U4E
ALVC00
U4E
ALVC00
Q21
BFS17
Q21
BFS17
C175
100NF
C175
100NF
R334
100
R334
100
R568
47
R568
47
C218
10PF
C218
10PF
10N
C191
10N
C191
R324
100
R324
100
R286
470
R286
470
R330
Not Used
R330
Not Used
10N
C216
10N
C216
10N
C223
10N
C223
R346
680
R346
680
C17
100P
C17
100P
R343
68
R343
68
R294
47K
R294
47K
R7
NOT USED
R7
NOT USED
R296
100
R296
100
R305
100
R305
100
R327
47
R327
47
C194
100NF
C194
100NF
Q18
BFS17
Q18
BFS17
R277
4.7K
R277
4.7K
R349
100
R349
100
R308
100
R308
100
R276
47K
R276
47K
C177
33PF
C177
33PF
C202
100NF
C202
100NF
C1
47P
C1
47P
R285
10K
R285
10K
3
1
2
&
ALVC00
U4A
&
ALVC00
U4A
3
2
6
1
8
-
+
U7A
OPA277
-
+
U7A
OPA277
10N
C212
10N
C212
C208
100NF
C208
100NF
10N
C209
10N
C209
R352
4.7K
R352
4.7K
R337
100
R337
100
Q26
BC847B
Q26
BC847B
6
4
5
&
ALVC00
U4B
&
ALVC00
U4B
R609
100
R609
100
CPGND
3
AGND
4
AVDD
7
DGND
9
DVDD
15
VP
16
U9B
ADF4001
U9B
ADF4001
R279
47
R279
47
C184
100P
C184
100P
R319
47
R319
47
V+
8
V-
4
U8C
LM358
U8C
LM358
J2A
NOT USED MI NICOAX-3
J2A
NOT USED MI NICOAX-3
R314
47
R314
47
C220
10PF
C220
10PF