Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 700–800 MHz 8-89
Figure 8-57. NUF6750A Frequency Generation Unit (Synthesizer) Circuit – 1 of 2
DC_LIN_1_5V
DC_LIN_5V
DC_LIN_1_875V_D
DC_LIN_2_775V
IN
IN
IN
IN
.1UF
C719
C718
C717
C716
C715
.1UF
.1UF
.1UF
.1UF
L720
DC_LIN_2_775V
2.2UH
4
K2
K3
A1
A2
A3
K1
K2
K3
A1
A2
A3
K1
1
2
3
6
5
4
D723
1
2
3
6
5
D722
IMN10
IMN10
C725C724
.1UF
10UF
DC_LIN_2_775V DC_LIN_1_875V_D
NC
C726
L727
C730
L733
C734
L735
C737
L738
2.2UH
DC_LIN_2_775V
.1UF
2.2UH
2.2UH
DC_LIN_2_775V
.1UF .1UF
.1UF
2.2UH
NC
NC
DIG_DATA_AUX_SPI_MISO
NC
NC
NC
NC3
ESC_CPBIAS
ESC_CP
SF_BYP
REF_OSC_OUT
TXQ
NTXI
PHCLK
DEEPSLEEP
NC4
LVCC1
SDM_CLK_GEN_GND
RX_AGND2
SSI_GND
MAIN_GND
LGND1
VMULTI2
VMULTI1
SUB2
DMCS
TXFS
TXCLK
TXD
ESC_IN
MN_CP
SF_OUT
CLK_OUT
CLK_EMIT
M_PRSC
RXD
ESC_TEST
BP_Q
BP_QX
BP_I
QCAP
RSTB
SF_SPLY
EF_OUTP
EF_OUTM
INCR_DECR
NC5
REF_VCC
GPO2_TEST2
RX_EN_OUT
TM
SUB3
AGC_DAC
FBQ
SDM_VREFP
SDM_VAG
REF_IN
NTXQ
TXI
HP_MOD_OUT
MN_CP_GND
SUB1
NC6
ASPI_CLK
SPI_CLK
RXQ
RXQX
SCAN_EN
ICAP
ACE2_GPO8
TEST1_LCKDET
CEX
SPI_DW
SPI_DR
RXACQ
RXCLK
RXFS
BP_IX
SCAN_IN
GPO4_TEST4
GPO1_TEST1
RX_AVCC2
ASPI_VCC
SDM_CLK_GEN_VCC
RX_AVCC1
SF_GND
SDM_REF_
VCC
SSI_VCC
TCLK
CLK_CP
CLK_BASE
MN_ADAPT_CP
M_PRSCX
SENS
AUX_DAC
ESC_CP_GND
MN_CP_VCC
MAIN_VCC
ESC_CP_VCC
TX_VCC
CLK_VCC
ESC_VCC
TX_DAC_VCC
SDM_REF_GND
RX_AGND1
CLK_GND
NC1
DC_CAL_GPO5
RFSTEPA_GPO6
ESC_INX
ACE1_GPO7
SDM_VREFM
NC2
ASPI_GND
TX_GND
ESC_GND
TX_DAC_GND
ESCD2_OUT
ESCD2_OUTX
GPO3_TEST3
ASPI_DATA
RXIX
RXI
AGC_FLAG
AGC_REF
FBI
TEST2
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
A5
C3
L7
L8
J11
A10
F5
D2
D1
C2
C1
B6
K7
G11
L6
K8
F8
J7
A3
A4
B5
J10
E2
E1
B1
B2
K6
D3
A6
H9
H7
G7
H6
G6
E7
C4
B4
E11
E10
J4
C8
C9
A9
B9
B11
C7
A2
D4
B3
E4
J6
F1
F2
G4
G5
G8
G9
H3
H4
J1
L2
J3
K3
J9
A8
B8
U702
15H28
G1
E9
F10
D11
F9
F11
D10
D9
C11
E8
D7
G3
G2
H1
L9
K2
K1
H2
J2
L3
F7
D8
NC
NC
NC
NC
NC
NC
NC
NC
C749
.1UF
RF_PRESCALAR
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
G10
H10
H11
F4
F6
K9
K4
J5
L4
H5
B10
C10
L5
K5
F3
E3
L11
L1
A11
A1
C5
E6
D5
E5
J8
H8
L10
K10
K11
A7
B7
D6
C6
RF_PRESCALAR
DC_LIN_1_875V_D
R721
DIG_CTRL_RSTB
10K
IN
IN
1
GND
VCONT
VCC
OUTPUT
NC
NC
NC
NC
4
3
8
7
6
5
2
Y701
C736
C732
R729
C731
L728
DC_LIN_2_775V_16_8_MHZ_IN
16.8MHZ
1XTV16800VDA
DC_LIN_2_775V
22K
.1UF
390NH
39PF
.01UF
NC2
NC3
NC4
NC1
C744
C742
L741
.1UF
10UF
2.2UH
DC_LIN_5V
DC_LIN_2_775V_16_8_MHZ_IN
L753
R743
R702
2
3
1
U746
C754
C752
R751
C750
R745
C739
270
2.2UH
56PF
10PF
BFQ67W
47K
0
.01UF
22K
.1UF
DC_LIN_2_775V
DC_LIN_1_5V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
DIG_CTRL_LOCK
DC_SUPER_FILTER_5V
DIG_CTRL_VR
DIG_CTRL_8T7R
DIG_CTRL_ATTH
DIG_CTRL_I_LIMIT
DIG_CTRL_TR
DIG_CTRL_TR
DIG_CTRL_T78H
DIG_CTRL_FEBS
DIG_CTRL_A
DIG_SPI_CLK
DIG_CTRL_SPI_TRIDENT_PE
DIG_TX_SSI_CLK
DIG_CTRL_SSI_TRIGGER
ANA_ADAPT_CHARGE_PUMP
DIG_CTRL_F
DIG_CTRL_G
DIG_CTRL_RMTH
DIG_DATA_SPI_MISO
DIG_TX_SSI_FS
DIG_CTRL_TXH1
DIG_CTRL_D
DIG_DATA_SPI_MOSI
DIG_DATA_TX_SSI
DIG_CTRL_R78H
RF_HP_MOD_OUT
ANA_CHARGE_PUMP
DIG_CTRL_RX8H
DIG_CTRL_RX7H
DIG_CTRL_7T8R
DIG_CTRL_78T
CLK_16_8_MHZ
OUT
NC
NC
NC
NC
NC
NC
NC
NC
V_POS
GND1
GND2
P26
P27
P28
P29
P30
SCLK
DIN
CS
P31
DOUT
ISET
P24
P23
P22
P21
GND3
GND4
NC1
NC2
NC3
P12
P13
P10
P14
P11
P15
P16
P17
P18
P19
P20
P25
P7
P6
P5
P4
P8
P9
DC_LIN_2_775V
R707
C758
35
U703
MAX7301ATL
.047UF
DIG_DATA_AUX_SPI_MISO
0
R706
C757
C756
10UF .1UF
0
32
29
27
25
23
22
21
19
18
17
16
15
36
33
34
3
1
24
26
28
30
14
13
12
10
9
8
6
4
2
7
5
31
20
11
40
G1
39
38
37
RF BRD ID
RF BRD ID
RF BRD ID
NC
NC
NC
R754
R753
R752
R755
5.6K
5.6K
39K
5.6K
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