- 28 -
RF Main Chip (SKY74045)
•
SLE, SCLK, SDATA
- 3-wire interface with DBB
SDATA: R722
SCLK: R724
SLE : R725
R724
100
R728
0
R722
0
C745
NA
R725
0
V_LOB
V_MIX
24
V_RXBB
52
33
V_SYNA
37
V_SYNCP
V_SYND
32
53
V_TXVCO
V_UHF
46
39
XTALTUNE
XTAL_EN
4
38
55
TX18001900
TX850900
54
7
TXCPO
TXENA
2
19
TXIN
TXIP
18
21
TXQN
20
TXQP
TXVCOTUNE
56
UHFBYP
44
UHFCPO
36
45
UHFTUNE
43
V_DD
V_LNACP
6
47
V_LO
5
22
42
LE
11
LNA1800
13
LNA1900
9
LNA850900
LOOUT
8
29
LPFADJ
NC1
12
NC2
14
15
NC3
PGND
57
1
RXENA
RXIN
50
RXIP
51
RXQN
48
RXQP
49
SXENA
CAPIN
26
CAPIP
25
CAPQN
28
27
CAPQP
41
CLK
CLK_OUT
30
40
DATA
FREF
34
31
GNDD
35
GNDFN
GNDLNA850900
10
3
HB_LB
IFINN
16
17
IFINP
23
IFMODN
IFMODP
U704
SKY74045
C746
18p
SXENA
SLE
SCLK
SDATA
U704
SDATA
SCLK
SLE
Transceiver Schematic
Z3X-BOX.COM
Содержание CE500
Страница 1: ...Service Manual Model CE500 Service Manual CE500 Date September 2005 Issue 1 0 Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 14: ...3 Technical Brief 15 3 1 4 Digital Baseband DBB Processor Block diagram of the AD6532 Z 3 X B O X C O M ...
Страница 36: ...4 TROUBLE SHOOTING 37 Test Point VEXT VRTC VMEM VINT VSIM VPLL VUSB VABB VTCXO VCORE VMIC Z 3 X B O X C O M ...
Страница 77: ...4 TROUBLE SHOOTING 78 5 Check Tx I Q TXQP TXQN TXIN TXIP U704 Test Point Z 3 X B O X C O M ...
Страница 85: ...Note 86 Z 3 X B O X C O M ...
Страница 93: ... 94 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 94: ... 95 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 95: ... 96 Z 3 X B O X C O M ...
Страница 103: ...9 CALIBRATION 104 L Standalone Test Equipment Setup Oscilloscope Z 3 X B O X C O M ...
Страница 105: ... 106 Z 3 X B O X C O M ...
Страница 127: ...Note 128 Z 3 X B O X C O M ...