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Lenovo K920 Schematic Diagrams page 48

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5
D
C6833
12pF
TRX_B40
N.M.
C6834
U6805
C6803
5.6pF
6
[43]
TRX_B7_B40
ANT
DPX B7
1.8nH
L6803
7
GND1
8
0.5pF
GND2
9
GND3
5
GND4
4
GND5
2
GND6
ACMD-6107
C
L6810
C6814 0.6nH
[40]
WTR0_TX_HB1
0R
L6811
1.8nH
B
TDD-LTE B41_TX_Only
[40]
WTR0_TX_HB2
[40]
WTR0_TX_LB3
R6804
0R
1
A
2
3
5
SAFFB806MAA0F0A
5
4
Place LNA matching components close to WTR1625
[48]
12pF
L6802
1
C6804
RX
L6815
1.1nH
12pF
C6832
L6805
[48]
PRX_B40
N.M.
1.3nH
<BOM_IGNORE>
N.M.
3
TX
C6807
<BOM_IGNORE>
15pF
TX_OUT_B7
[49]
[23,25,31,32,33,37,42,43,44,49]
C6815
TX_RF_IN_B7_B40
[49]
C6816
100pf
0.5pF
R6806
[23,25,31,32,33,37,42,43,44,49]
0R
N.M.
R6807
0R
N.M.
U6806
L6814
R6805
100pf
4
FDD-LTE B20_B17_TX
TX_RF_IN_B17_B20_B41
IN
OUT
100pF
C6826
12nH
GND1
GND2
GND3
4
3
TRX B17 B20 B7
12pF
WTR0_PRX_HB3
[41]
C6805
[43]
TRX_B17_B20
WTR0_PRX_HB1
[41]
100pf
VDD_1P8
C6811
100pf
U6804
4
VIO
VCC1
5
[2,25^,48,49]
RFFE1_DATA
DATA
VCC2
6
[2,25^,48,49]
RFFE1_CLK
CLK
VBATT
2
[49]
TX_RF_IN_B7_B40
RF_IN
RF_OUT
GND1
8
NC
GND2
ACPM-9307
VDD_1P8
C6820
100pf
U6803
4
1
VIO
VCC1
5
10
[2,25^,48,49]
RFFE1_DATA
DATA
VCC2
6
3
[2,25^,48,49]
RFFE1_CLK
CLK
VBATT
2
9
[49]
[49]
TX_RF_IN_B17_B20_B41
RF_IN
RF_OUT
7
GND1
8
11
NC
GND2
ACPM-9320
3
2
Place LNA matching components close to WTR1625
C6801
3.0nH
U6802
6
1
ANT
RX
DPX B20
2
GND1
4
9.1nH
GND2
5
GND3
L6806
7
GND4
8
3
GND5
TX
9
GND6
SAYFH806MBA0F0A
L6809
0R
VPA
Note: Snubber RC could be shared by
1R
other PA if they are close on layout.
C6810
N.M.
R6802
C6812
C6813
1nf
N.M.
N.M.
N.M.
100pf
100pf
VPA_BATT
C6817
C6818
1
10
0402-BIG
3
100pf
10uF
N.M.
9
C6808
7
11
0.6nH
L6808
0.5pF
L6812
0R
VPA
[42,44,49]
Note: Snubber RC could be shared by
1R
other PA if they are close on layout.
C6819
N.M.
R6803
C6821
C6822
1nf
N.M.
N.M.
N.M.
100pf
100pf
VPA_BATT
C6823
C6824
0402-BIG
100pf
10uF
N.M.
C6828 100pf
TX_B17_B20
[49]
C6827
100pf
TX_OUT_B41
[48]
N.M.
<Variant Name>
<Variant Name>
<Variant Name>
Title
Title
Title
Size
Size
Size
C
C
C
Date:
Date:
Date:
2
1
D
C6802
B20_B17
WTR0_PRX_LB1
[41]
3.9nH
51R
L6801
N.M.
C6829
100pf
N.M.
C6806
TX_B17_B20
[49]
15pF
R6801
12nH
C
[42,44,49]
[42,44,49]
B
C6809 100pf
TX_OUT_B7
[49]
C6831
100pf
TX_OUT_B40
[48]
N.M.
[42,44,49]
A
K920
K920
K920
Document Number
Document Number
Document Number
Rev
Rev
Rev
P68. B14&B20 TRX
P68. B14&B20 TRX
P68. B14&B20 TRX
0.11
0.11
0.11
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Sheet
Sheet
Sheet
49
49
49
of
of
of
58
58
58
1

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