Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
5G FEM CH1
5G_ANT1
XR103 is new part wihtout Draytek part number
BPF (5150-5950MHz)
XJ11 preserved to test and debug only
SKY85743-31 :
Output power: +21 dBm, -43 dB DEVM, MCS11
Output power: +22 dBm, -40 dB DEVM, MCS11
Output power: +24 dBm, -35 dB DEVM, MCS9
ACX 5G BPF (XU61) :
Insertion Loss: 0.7 dB max.
50 ohm
50 ohm
50 ohm
50 ohm
50 ohm
50 ohm 50 ohm
XC147 is 6.3V voltage
in REF design
Layout Notice :
- Decoupling CAP should be placed before RES
Layout Notice :
- Control Pin C0, C1 should be shielded by GND
with more Vias.
Layout Notice :
- Each Vcc pin needs to be individually decoupled.
- VCC0, VCC1, VCC2, and VCC3 should NOT be shorted
together at the device pins.
BPF (5150-5950MHz)
ACX 5G BPF (XU61) :
Insertion Loss: 0.7 dB max.
Close to Diplexer XU7
For RTC7678:
To add XR154, XC197, XC198
50 ohm 50 ohm
Close to XEU3
ACX 5G BPF (XU52) :
Insertion Loss: 0.7 dB max.
BPF (5150-5950MHz)
Co-Layout
GND
GND
GND
GND
GND
GND
GNDGNDGND
GND
GND
GND
GND
+5V
GND
GND
GND
GND
GND
GND GND
GND
FECTL_1_1[17]
FECTL_1_2[17]
FECTL_1_0[17]
5G_TX1 [17]
TSSI5_1[17]
5G_RX1[17]
5G_ANT1_DI [19]
Title
Size Document Number Rev
Date: Sheet of
RF_5G_FEM_CH1
6B
V2766AX
<OrgName>
Custom
20 34Thursday, July 21, 2022
Title
Size Document Number Rev
Date: Sheet of
RF_5G_FEM_CH1
6B
V2766AX
<OrgName>
Custom
20 34Thursday, July 21, 2022
Title
Size Document Number Rev
Date: Sheet of
RF_5G_FEM_CH1
6B
V2766AX
<OrgName>
Custom
20 34Thursday, July 21, 2022
XR6
(AX)0R/0201/5%
12
XC26
(AX)0.1uF/16V/0402
XC9
NULL/10pF/25V/0201/2%
XR10
(AX)0R/0201/5%
12
XC18
NULL/10pF/25V/0201/2%
XR26
NULL/0R/0201/5%
12
XR14
(AX)510R/0402/1%
1 2
SKY85743-31
XEU1
(AX)SKY85743-31
VCC3
22
VCC2
23
VCC1
24
DET
8
PA_EN
4
GND1
1
GND3
3
VDD
19
GND6
6
LNA_IN
16
LNA_OUT
17
TX_IN
2
RX_OUT
14
C1
10
ANT
12
GND7
7
C0
13
GND9
9
GND11
11
GND18
18
GND21
21
GND5
5
GND15
15
GND20
20
PAD
25
XR8
(AX)0R/0201/5%
1 2
XR16
NULL/0R/0201/5%
12
XR27
(AX)0R/0201/5%
1 2
XR32
(AX)6.8nH/0.6A/0805/5%
XC3 NULL/10pF/25V/0201/2%
XC32
(AX)1nF/50V/0402/5%
XC7
(AX)1pF/50V/0.05pF/0402
XC31
(AX)10uF/10V/0603/20%
XR24
(AX)0R/0201/5%
1 2
XC11
NULL/0.2pF/25V/0201
12
XC33
(AX)0.1uF/16V/0402
XR2
(AX)0R/0201/5%
12
XR7
NULL/0R/0201/5%
12
XR11
(AX)0R/0402/5%
1 2
BF1608-N5R5NAH
XU2
NULL/ BPF_5G
1
IN
2
GND
3
OUT
XC5
NULL/10pF/25V/0201/2%
XC8
(AX)1.5pF/0201
XC6
NULL/10pF/25V/0201/2%
XC34
(AX)0.1uF/16V/0402
XC12
(AX)1pF/50V/0.05pF/0402
XR5
NULL/0R/0201/5%
12
XC25
(AX)10pF/25V/0201/2%
XR15
(AX)0R/0201/5%
1 2
XR17
(AX)0R/0402/5%
1 2
BF1608-N5R5NAH
XU5
NULL/(AX) BPF_5G
1
IN
2
GND
3
OUT
XC27
NULL/10pF/25V/0201/2%
XC13
(AX)1pF/50V/0.05pF/0402
XC10
NULL/10pF/25V/0201/2%
XR23
NULL/0R/0201/5%
12
XC4
NULL/10pF/25V/0201/2%
BF1608-N5R5NAH
XU4
(AX) BPF_5G
1
IN
2
GND
3
OUT
XC28
(AX)10pF/25V/0201/2%
5G_PE1
5G_LNA1
5G_CR1
FECTL_1_1
FECTL_1_2
FECTL_1_0
PA_5G1
5G_3B_CH1
5G_LNA1
5G_CR1
PA_5G1
PA_5G1
PA_5G1
5G_PE1
TSSI5_1
5G_RX1
5G_ANT1_DI
PA_5G1
5G_ANT15G_3B_CH1
5G_TX1