ST P-NUCLEO-WB55 User Manual

UM2435 Hardware layout and configuration
UM2435 Rev 2 15/48
Figure 7. Nucleo-68 board schematics - RF part
36
STM32WB55RG RF part
Title:
Size:
Reference:
Sheet: ofA4
Revision:
Project: NUCLEO-WB55.Nucleo
MB1355C 01-RC1
12-Jun-2017
[No Variations]
Date:
-
Variant:
GND
GND
GND
J2
SMA
ANT
RF switch Antenna Matching Network
A
N
T
G
N
D
J
2
S
M
A
Meander Antenna
2.4GHz
(see AN3359 on www.st.com)
PCB Antenna
To connect 50ohms Antenna
or
To connect 50ohms Instrument
(Cx populated and Cy not fitted)
Default value PCB Antenna
GND GND
Antenna Matching Network (for SMA Antenna)
G
N
D
G
N
D
Filter (for Eval/debug)
Patch trought (for Direct Connection)
GND
GND
GND
VDD
12
JP4
HEADER_1X2
C33
100nF
C34
100pF
C35
10nF
Not Fitted
C38
Not Fitted
C36
GRM1555C1H1R2WA01D
C37
1.2pF
Not Fitted
C39
Not Fitted
C40
L4
0R
LQG15HS3N6S02
L3
3.6nH
JP4(1-2)
JMP4
Jumper 2.54mm
RF1
31
VDDRF
33
VSSRF
32
U1A
STM32WBxx_QFN68
GND
SC1
GND
SC2
GND
SC3
GND
SC4
Socket for Metallic Shield
SH1
Shield 17.2x17.2x3
1 3
2
FLT1
LFB182G45CGFD436
GND
LQG15HS2N7S02
L5
2.7nH
GRM1555C1HR80BA01D
C1
0.8pF
GND
Band Pass Filter
L
Q
G
1
5
H
S2
N
7
S0
2
L
5
2
.
7
n
H
G
R
M
1
5
5
5
C
1
H
R
8
0
B
A
0
1
D
C1
0
.8
p
F
G
N
D
50 Ohms Matching Network
GRM1555C1HR30WA01D
C2
0.3pF
GND
(Compents values will be updated after evaluation)

ST P-NUCLEO-WB55 Specifications

General

Brand	ST
Model	P-NUCLEO-WB55
Category	Microcontrollers
Language	English