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Lenovo K920 Schematic Diagrams page 44

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5
D
[23,25,31,32,33,37,42,43,49]
VDD_1P8
[2,25^,48]
RFFE1_CLK
[2,25^,48]
RFFE1_DATA
[44]
TX_RF_IN_B1_B2_B34_B39
[44]
TX_RF_IN_B3_B4
C
[46]
TX_RF_IN_B5_B8_BC0
C6316
[40]
WTR0_TX_MB2
22pF
C6313
[40]
WTR0_TX_LB2
22pF
B
B3_B4
C6306
C6310
[40]
WTR0_TX_MB1
22pF
22pF
L6303
18nH
N.M.
C6321
C6317
[40]
WTR0_TX_MB3
22pF
22pF
L6313
A
4.3nH
N.M.
5
4
HC-PA
C6302
100pf
U6301
6
VIO
8
SCLK
9
SDATA
1
RF_IN_B1_B2
2
RF_IN_B3_B4
R6302
49.9
3
RF_IN_B26
RF_OUT_B5_B26
4
RF_IN_B5_B8
C6312
13
RF_IN_GSM_HB
RF_OUT_GSM_HB
22pF
14
RF_IN_GSM_LB
RF_OUT_GSM_LB
C6320
22pF
5
GND1
7
GND2
10
GND3
12
GND4
15
GND5
16
GND6
17
GND7
18
GND8
19
GND9
20
GND10
21
GND11
SKY77629-21
TX_RF_IN_B3_B4
[44]
TX_RF_IN_B1_B2_B34_B39
[44]
4
3
Note: Keep the shunt bypass capacitor placeholders on VCC1, VCC2 on all PA.
They are possibly needed to mitigate
L6301
C6303
C6305
C6307
10uF
N.M.
N.M.
C0402
100pf
100pf
26
VCC_GSM
C6308
28
VCC1
27
VCC2
100pf
11
VBATT
35
RF_OUT_B1
34
RF_OUT_B3
33
RF_OUT_B4
32
RF_OUT_B2
31
29
RF_OUT_B8
24
22
R6306
49.9
37
CPL_OUT
N.M.
23
N.M.
GND13
25
GND14
30
GND15
36
GND16
38
GND17
39
GND18
40
L6309
GND19
41
GND20
18nH
42
GND21
43
GND22
N.M.
Note: PA therm0/1 is the output node of a voltage
divider on BB card with pull up resistor.
Note: Place PA thermistor between GSM and WCDMA PA
R0201
3
2
RxBN in ET mode
VPA_APT
[42]
0R
VPA
[42,49]
Note: Snubber RC could be shared by
1R
other PA if they are close on layout.
C6301
C6319
C6318
N.M.
R6301
33pf
1nf
10uF
N.M.
N.M.
VPA_BATT
[42,49]
C6309
0402-BIG
10uF
N.M.
TX_RF_OUT_B1
[45]
TX_RF_OUT_B3
[45]
TX_RF_OUT_B4
[45]
TX_RF_OUT_B2_B25
[45]
TX_RF_OUT_B5_B26
[46]
TX_RF_OUT_B8
[46]
[43]
TX_DCS1800_PCS1900
R6305
1.2nH
L6311
L6306
18nH
18nH
N.M.
[43]
TX_GSM850_EGSM900
R6307
3.9nH
L6310
18nH
N.M.
[11,25^]
PA_THERM0
C6315
100nf
R6308
NCP03WF104F05RL
N.M.
<Variant Name>
<Variant Name>
<Variant Name>
Title
Title
Title
K920
K920
K920
Size
Size
Size
Document Number
Document Number
Document Number
B
B
B
P63. HC-PA
P63. HC-PA
P63. HC-PA
Date:
Date:
Date:
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Tuesday, August 05, 2014
2
1
D
C
B
A
Rev
Rev
Rev
0.11
0.11
0.11
Sheet
Sheet
Sheet
44
44
44
of
of
of
58
58
58
1

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