Schematics

Board thickness: 0.8mm
Er: 4.5
Copper Thickness (1oz): 1.4mil/0.035mm
RF Trace Width: 35mil/0.89mm
Polygon Isolation: 8mil/0.2032mm
Dielectric thickness: 0.73mm
https://chemandy.com/calculators/coplanar-waveguide-with-ground-calculator.htm
Microstrip Calculation:
GND GND
GND
GND
GND
5V
GND
E19-915M30S
3.3V
3.3V
GND GND
GND
VCC 5V
5V
GND
MICROMOD_FUNCTION_STANDARD
3.3V
GND
EEPROM
3.3V
GND
GND
3.3V
GND
3.3V
GNDGND
VCC
3.3V
RXEN
TXEN
CS
SDI
SDO
SCK
VCC
GND
RST
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
ANT
U4
GND
1*11
I2C_INT
23
SPI_SCK
3
SPI_SDO
7
SPI_SDI
5
3.3V
73
USBHOST_D+
35
USBHOST_D-
37
CAN-RX
41
CAN-TX
43
I2C_SCL
21
I2C_SDA
19
F0/INT
47
F2/PWM
51
F4
55
F6
59
F1/CS
49
F3
53
F5
57
VCC
72*2
USB_VIN
70
PWR_EN
71
RX
15
CTS
18
TX
13
RTS
16
A0
38
EEPROM_A0
36
EEPROM_A1
34
EEPROM_A2
32
F7
61
EEPROM_WP
40
J11
GND
4
WP
7
VCC
8
SCL
6
SDA
5
A2
3
A0
1
A1
2
U1
SPI_SCK
SPI_SCK
SPI_COPI
SPI_COPI
SPI_CIPO
SPI_CIPO
LORA_CS
LORA_CS
LORA_TXEN
LORA_TXEN
LORA_RXEN
LORA_RXEN
LORA_D0
LORA_D0
LORA_D1
LORA_D1
LORA_D2
LORA_D2
LORA_RST
LORA_RST
VCC_IN
VCC_IN
PWR_EN
PWR_ENPWR_EN
3.3V_IN
3.3V_IN
3.3V_IN
I2C_SCL
I2C_SCL
I2C_SDA
I2C_SDA
EWP
EWP
N. Seidle
v10
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
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