Operating instructions

Circuit Board/Schematic Diagrams and Parts List 6-21
VCO
5V_ANA_VBUS2_THK5V_ANA_VBUS2_THK
5V_ANA_V8_RX 5V_ANA_V8_RX
SF_OUTSF_OUT
VCO_800M SF_OUT
C213
51pF
5.6pF
C208
L204
200nH
L203
200nH
R200
2.7K
0.10uF
C214
3.3K
R201
4.7pF
C206
0.10uF
C212
R202
100
100
R203
Q203
150nH
L205
27
C211
1.8pF
C210
RESONATOR
4.3pF
C209
L200
150nH
8.2nH
L201
D201
TP200
C207
5.6pF
C204
51pF
L202
0MHz
D200
VCTRL
VCO_900M
SF_OUT
150nH
L206
C222
3.3pF
L208
RESONATOR
0MHz
1.8pF
L207
8.7nH
C226
3.3pF
C220
D204
C223
3.3pF
D205
L211
150nH
C224
3.3pF
C225
30
R211
120
Q204
51pF
C254
C231
2.4pF
C232
1.0pF
PRESCALER
R210
100
51pF
C227
200nH
L209
200nH
L210
3K
R209
C228
0.10uF
C229
0.10uF
R208
2.4K
1.0pF
C217
2.0pF
C216
0.10uF
C239
R224
1K
C241
47pF
5
2
3
6
4
1
Q206
TX_SEL
5V_ANA_VBUS2_THK
C250
51pF
R212
240
20
R219
D202
20
R218
R217
270
C238
1.8pF
620
R223
GND3
5
1
IN
4
OUT
VCC
6
UPC8179TK
U200
GND1
2
3
GND2
22nH
L213
R221
20
270
R220
C237
47pF
C242
0.10uF
L216
5.1K
R213
390nH
4.7pF
C240
270
R222
39pF
12nH
L215
C243
4
1
Q202
5
2
3
6
5V_ANA_VBUS2_THK
Buffer_EN
0.10uF
C200
51pF
C203
900M_VCO_EN
Q201
VCO_900M
Q200
SF_OUT
C202
0.10uF
C201
51pF
VCO_800M
800M_VCO_EN
RX_1ST_LO_INJ
TX_SEL
RX_SEL
39pF
C251
AS179_92LF
U201
5
2
3
46
1
J3
J2
J1
V2 V1
GND
1.5pF
C248
L217
15nH 8.2nH
L218
Q205
C245
56pF
C246
1.0pF
C247
4.3pF
C244
0.10uF220
R216R215
5.6K
TX_BUFF
U8002
4.7K
47K
47K
10K
5V_ANA_V8_RX
5V_RX
Voltage Controlled Oscillator Schematic Diagram