EVAL-ADRF6820 Datasheet, PDF (8/20 Pages) Analog Devices – On-board USB for SPI control

UG-652
EVAL-ADRF6820 User Guide
EVALUATION BOARD SCHEMATICS AND ARTWORK
DIG_3P3V
R90
0
C86
0.1UF
6
VCC
2
ENABLE/DISABLE_N
GND NC
315
Y2
4
OUTPUT
38.4MEGHZ
PLL_3P3V
C35
0.1UF
C37
100PF
3PIN_SOLDER_JUMPER
REF_IN
JOHNSON142-0701-851
1
P3
A¹
2
COM
3
B
2345
DECL_2P5V
YEL
C9
10UF
C13
0.1UF
C0402
C38
R29 ^1000PF
49.9
C16
100PF
C0402
LOIP
LOIN
C52
100PF
C51
100PF
R57
0
R55
0
R69
0
DNI
R71
0
DNI
T3
3600BL14M050
DNI
3
BAL_OUT1
4
BAL_OUT2
GND_DC_FEED_RFGND
2
1
UNBAL_IN
GND NC_6
56
DECL_VCO
C41
100PF
C0402
C48
10UF
C42
100PF
U5
C43
10UF
VCO_3P3V
C53
100PF
R70
0
DNI
T4
1
6
SEC
PRI
3
4
TC1-1-43A+
LO_IN
LO_3P3V
C56
0.1UF
LO_IP
R72
0
1
LO_IP
JOHNSON142-0701-851
5432
NOTE: EITHER T3 OR T4
PLACED (DUAL FOOTPRINT)
1
LO_IN
JOHNSON142-0701-851
5432
DIG_3P3V
C3
0.1UF
C14
100PF
1
R17
2
R18 0 ₃
0
BBIP
4
BBIN
5
BBQN
6
BBQP
7
R19
8
R20 0 ₉
0 ₁₀
VCC_3P3
GND
GND
BBIP
BBIN
BBQN
BBQP
GND
GND
DECL_MX
C36
0.22UF
VPMX_+5V
C31
0.1UF
C34
100PF
DIG_3P3V
R15
5.1K _R16
5.1K
VOCM
YEL
C39
0.1UF
CR1
SML-210MTT86
CA
MUXOUT
YEL
R30
1.00K
GND1
GND2
GND3
GND4
BLK
BLK
BLK
BLK
30
VCC_3P3 ₂₉
RFIN0 ₂₈
GND ₂₇
DECL_VCO2 ₂₆
GND ₂₅
NC ₂₄
PWRDWN ₂₃
GND ₂₂
RFIN1 ₂₁
VCC_5V
RFIN0
R6
0
PWRDWN
RFIN1
ADRF6820ACPZ
S1
2
1
3
R54
0
EG1218
C47
100PF
C46
100PF
VCC_+3P3V
C54
1000PF
YEL DECL_VCO2
C49
10UF
C55
VPRF_+5V
1000PF
C50
10UF
1
RF0
JOHNSON142-0701-851
5432
1
RF1
JOHNSON142-0701-851
5432
C40
100PF
LO2_3P3V
C44
0.1UF
C25
100PF
C24
100PF
LOON1
R64
0
LOOP1
R65
0
R62
0
DNI
R63
0
DNI
NOTE: EITHER T1 OR T2 PLACED (DUAL FOOTPRINT)
T1
3600BL14M050
DNI
3
BAL_OUT1
4
BAL_OUT2
GND_DC_FEED_RFGND
2
1
UNBAL_IN
GND NC_6
56
LO_OUT
T2
R91
0
SEC
PRI
C67
TBD0402
DNI
TC1-1-43A+
L5
L7
TBD0402
DNI
C68
TBD0402
DNI
TBD0402
DNI
C70
TBD0402
DNI
L6
TBD0402
DNI
C69
TBD0402
DNI
L8
TBD0402
DNI
C71
TBD0402
DNI
L9
TBD0402
DNI
C72
TBD0402
DNI
L10
TBD0402
DNI
C73
TBD0402
DNI
LO_OP
LO_ON
1
LOOP
142-0701-201
5432
1
LOON
142-0701-201
5432
Figure 6. ADRF6820 Schematic
Rev. 0 | Page 8 of 20