HardLabs

SX1255-Tetra-TMO-mini-HAT

labdvm·SX1255-Tetra-TMO-mini-HAT

SX1255-Tetra-TMO-mini-HAT layout, top view — open source board by labdvm

About the SX1255-Tetra-TMO-mini-HAT

SX1255-Tetra-TMO-mini-HAT is an open source PCB design by labdvm, published on GitHub. It is a 2-layer board measuring 65 × 31 mm, with 69 components from 32 distinct parts.

Other key parts include the SX1255IWLTRTCT-ND, MCP1703Ax-330xxTT, 24LC256-I/SN-ND and 1727-5983-1-ND. By type, the board carries 34 resistors, 17 capacitors, 5 diodes, 4 ICs, 3 inductors and 2 crystals.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

same as SX1255 Tetra-TMO HS HAT

same as SX1255 Tetra-TMO HS HAT but without PA. # This version of mini HAT is with LowPass filter on the TX and BandPass filter on the RX. # RPi4/5 or RPi Zero 2W, fast-write micro-sd card. # The eeprom is for HW-ID and if cannot be programmed by the procedures then you must programm with eeprom programmator. " https://github.com/tejeez/sxxcvr/blob/main/dts/README.md ". # For Tetra-TMO Base Station this is the installing procedures, " https://github.com/MidnightBlueLabs/tetra-bluestation-docs/wiki ". # BlueStation, https://github.com/MidnightBlueLabs/tetra-bluestation # FlowStation…

Main components on the SX1255-Tetra-TMO-mini-HAT

SX1255IWLTRTCT-NDMCP1703Ax-330xxTT24LC256-I/SN-ND1727-5983-1-ND

SX1255-Tetra-TMO-mini-HAT bill of materials (BOM)

69 components, 32 distinct parts.

QtyPartRefs
1
SX1255IWLTRTCT-ND
SX1255
Semtech Corporation
IC1
1
MCP1703Ax-330xxTT
U1
1
24LC256-I/SN-ND
24LC256
Microchip Technology
U2
1
1727-5983-1-ND
74LVC1G74DP_125
Nexperia USA Inc.
U3
1
3372-BSS84TR-ND
BSS84
MDD
Q1
1
TA0655A
X1
1
114-TG2520SMN38.4000M-MCGNNM3CT-ND
38.4MHz
EPSON
Y1
2
343-CONMHF1-SMD-G-TCT-ND
U.FL
TE Connectivity Linx
J1, J2
1
3157-LFCN-490+CT-ND
LFCN-490
Mini-Circuits
FL1
1
160-LTST-T180UWETCT-ND
White
Lite-On Inc.
D1
2
160-1437-1-ND
Yellow
Lite-On Inc.
D4, D5
2
754-APT1608SGD3CT-ND
Green
Kingbright
D6, D7
1
490-1046-1-ND
600 ohm/100MHz
Murata Electronics
L1
1
712-LRC0603CJ82NGV001TCT-ND
82n
Johanson Technology Inc.
L2
1
712-LRC0603CJ39NGV001TCT-ND
39n
Johanson Technology Inc.
L3
5
311-3484-1-ND
1u
YAGEO
C1, C3, C10, C11, C15
2
1276-3148-1-ND
22u
Samsung Electro-Mechanics
C2, C5
1
720-1688-1-ND
100n
Vishay Vitramon
C4
2
720-1688-1-ND
100n
Vishay Vitramon
C7, C8
4
100n
C9, C12, C13, C14
Show 12 more
QtyPartRefs
2
100p
C17, C19
1
399-C0603C103K8RACTUCT-ND
10n
KEMET
C18
2
0R
R2, R7
1
541-1.00HHCT-ND
1R
Vishay Dale
R3
2
1R
R4, R31
11
330R
R5, R6, R8, R12, R17, R18, R19, R21 +3
4
3K3
R9, R15, R38, R39
1
1K
R10
4
1M
R11, R13, R26, R27
5
33R
R14, R16, R20, R22, R28
1
10K
R25
3
1K5
R33, R36, R37

SX1255-Tetra-TMO-mini-HAT design files

The KiCad project lives in the labdvm/SX1255-Tetra-TMO-mini-HAT repository on GitHub; these links point at the commit this page was built from.

SX1255-Tetra-TMO-mini-HAT: common questions

How big is the SX1255-Tetra-TMO-mini-HAT?

The SX1255-Tetra-TMO-mini-HAT measures 65 × 31 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SX1255-Tetra-TMO-mini-HAT?

69 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the SX1255-Tetra-TMO-mini-HAT design files?

From the labdvm/SX1255-Tetra-TMO-mini-HAT repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SX1255-Tetra-TMO-mini-HAT design in my own project?

The repository has no license, so all rights stay with labdvm. Use it as a reference, and ask the author before reusing the design.

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