Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω 50Ω
82~87ohm
0.8~1.0V if impedance is matched
this is for check the reflection
of the sended microwave.
50Ω
2.7V
3A trace
LO_IN
REV_PWR_DET
RF_FWD_DET
RX_BALUN_IN
RF_IN_OUT [5]
P3.3V
P3.3V
PA_VCC PA_VCC1
PA_VCC1
PA_VCC1
P2V7V_RAW
TX_BALUN[3]
RX_BALUN_IN [3]
REV_PWR_DET [2]
LO_IN [3]
RF_FWD_DET [2]
PA_BIAS_DAC[3]
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> V3.2
PA
B
47Thursday, December 24, 2020
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> V3.2
PA
B
47Thursday, December 24, 2020
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> V3.2
PA
B
47Thursday, December 24, 2020
R216 10K 1%
1 2
L53 1.8nH
1 2
C51
100nF
12
C204
100pF
1 2
C218 100nF
12
C210 10uF 16V
12
R58
100pF
C213
10uF 16V
1 2
C129
1uF
12
R39
330
12
R214 470
C215
1nF
12
S12
ECT818000149
1
1
2
2
3
3
4
4
5
5
C214
4.7pF
12
C57
18pF
1 2
L20
10nH
U11
SKY65111-348LF
GND1
1
RF IN
2
GND2
3
VCC1
4
VAPC1
5
VAPC2
6
VREF
7
GND3
8
RF OUT1/VCC3
9
RF OUT2/VCC3
10
RF OUT3/VCC3
11
RF OUT4/VCC3
12
NC
13
GND4
14
VCC2_1
15
VCC2_2
16
EPAD
17
R43
75.0 1%
1 2
C212
1nF
1 2
R48
150
1%
S3
ECT818000149
1
1
2
2
3
3
4
4
5
5
C64
12pF
U8
TA0281A
GND1
F
GND2
D
GND3
C
GND4
A
IN
B
OUT
E
S9
ECT818000149
1
1
2
2
3
3
4
4
5
5
C205
@
R49
330
1 2
L54 120Z
S8
ECT818000149
1
1
2
2
3
3
4
4
5
5
C69
8.2pF
+
C207 47uF
10V
-
+
U25
LMV321
1
3
4
52
S5
ECT818000149
1
1
2
2
3
3
4
4
5
5
U10
LMV225
RF/EN
3
GND
1
VDD
4
OUT
6
NC1
2
NC2
5
EPAD
7
L36
1nH
C126
100pF
12
C44
100pF
1 2
C60
100pF
1 2
U13
XC0900P-10S
INPUT
1
DIRECT
2
ISO
3
CPL
4
G
5
L48 30Z
C217
1nF
12
S2
ECT818000149
1
1
2
2
3
3
4
4
5
5
S4
ECT818000149
1
1
2
2
3
3
4
4
5
5
S7
ECT818000149
1
1
2
2
3
3
4
4
5
5
C125
100pF
1 2
C121
100pF
12
U15
LMV225
RF/EN
3
GND
1
VDD
4
OUT
6
NC1
2
NC2
5
EPAD
7
C59
1nF
1 2
C206
2.2pF
R217 22.1K
L22
3.3nH
R55
10
1 2
R59
470
1 2
C53
100pF
25V
R213
0
C67
100pF
25V
S13
ECT818000149
1
1
2
2
3
3
4
4
5
5
C74
1nF
1 2
R54
10K 1%
12
C216
10uF 16V
1 2
R47
10K 1%
12
S10
ECT818000149
1
1
2
2
3
3
4
4
5
5
R44
330
R218
@0
C208
10nF
12
C70
100pF
12
C71
100nF
12
S1
ECT818000149
1
1
2
2
3
3
4
4
5
5
C123
1nF
12
R215 49.9