T41-Main+RF-board-V012
About the T41-Main+RF-board-V012
T41-Main+RF-board-V012 is an open source NXP PCB design by DRWJSCHMIDT, published on GitHub. It is a 2-layer board measuring 166 × 101.2 mm, with 250 components from 74 distinct parts.
Its main chip is the MASWS0179, from the NXP family. Other key parts include the 74LVC1G04GW. By type, the board carries 100 capacitors, 63 resistors, 20 ICs, 18 switches, 13 test points and 13 inductors.
From the project
This is the repository for the officially released V10, V11, and V12 versions of the T41 Software Defined Transceiver hardware and kits. Please read the areas below to understand this project, order boards, make your own boards, find build part lists (BOMs), order kits, and docum
This is the repository for the officially released V10, V11, and V12 versions of the T41 Software Defined Transceiver hardware and kits. Please read the areas below to understand this project, order boards, make your own boards, find build part lists (BOMs), order kits, and documentation that supports the T41 project.
Main components on the T41-Main+RF-board-V012
T41-Main+RF-board-V012 bill of materials (BOM)
250 components, 74 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MASWS0179 LM7805CT | TO-220-3_Vertical | U1 |
| 1 | 74LVC1G04GW LM1117T-3.3 | TO-220-3_Vertical | U2 |
| 1 | MASWS0179 Teensy4.1 | Teensy41 | U3 |
| 1 | MASWS0179 PCM5102 | TSSOP-20_4.4x6.5mm_P0.65mm | U4 |
| 1 | 74LVC1G04GW PCM1808PW | TSSOP-14_4.4x5mm_P0.65mm | U5 |
| 2 | MASWS0179 MCP23017_SO | SOIC-28W_7.5x17.9mm_P1.27mm | U6, U12 |
| 1 | 74LVC1G04GW MC33078 | SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | MASWS0179 MC33078 | SOIC-8_3.9x4.9mm_P1.27mm | U9 |
| 1 | MASWS0179 PSA-8A+ | SOT-363_SC-70-6 | U10 |
| 1 | 74LVC1G04GW 74CBTLV3253DR | SOIC-16_3.9x9.9mm_P1.27mm | U11 |
| 1 | MASWS0179 74CBTLV3253DR | SOIC-16_3.9x9.9mm_P1.27mm | U13 |
| 1 | 74LVC1G04GW MAR-3SM+ | Mini-Circuits_WW107 | U14 |
| 1 | MASWS0179 Si5351A-B-GT | MSOP-10_3x3mm_P0.5mm | U15 |
| 1 | MASWS0179 AD8599 | SOIC-8_3.9x4.9mm_P1.27mm | U16 |
| 1 | 74LVC1G04GW MASWSS0179 | MASWSS0179-SOT-26 | U17 |
| 1 | MASWS0179 LM358B | SOIC-8_3.9x4.9mm_P1.27mm | U18 |
| 1 | MASWS0179 SN74LVC1G04DCK | SOT-SC70 | U19 |
| 1 | 74LVC1G04GW LM317L | SOIC-8_3.9x4.9mm_P1.27mm | U20 |
| 1 | MASWS0179 OPA2209 | SOIC-8_3.9x4.9mm_P1.27mm | U21 |
| 1 | BS170 | TO-92 | Q1 |
Show 54 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 25MHz | Crystal_SMD_HC49-SD_HandSoldering | Y1 |
| 1 | 12-13.8V | TerminalBlock_bornier-2_P5.08mm | J1 |
| 1 | Display | PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | PA+BPF+LPF | PinHeader_2x04_P2.54mm_Vertical | J3 |
| 1 | USBHost | IDC-Header_2x03_P2.54mm_Vertical | J4 |
| 1 | Keys/PTT | IDC-Header_2x03_P2.54mm_Vertical | J5 |
| 1 | Rec_Out | Jack_3.5mm_STX-3081_Horizontal | J6 |
| 1 | Mic_In | Jack_3.5mm_STX-3081_Horizontal | J7 |
| 1 | Header | PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | RX RF in | PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | TX RF Out | PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | PA POWER +12V | PinHeader_2x06_P2.54mm_Vertical | J11 |
| 4 | RotaryEncoder_Switch | RotaryEncoder_Bourns_Vertical_PEC12R-3x17F-Sxxxx | Encoder1, Encoder2, Encoder3, Encoder4 |
| 2 | EA-T220-38E | EAT22038E | H1, H2 |
| 1 | SolderJumper_2_Bridged | SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP2 |
| 18 | SW_Omron_B3FS | SW_SPST_B3S-1000 | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +10 |
| 13 | TestPoint | PinHeader_1x01_P2.54mm_Vertical | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +5 |
| 1 | ADT2-1T | Mini-Circuits_CD542_H2.84mm | TR1 |
| 2 | LED | LED_D3.0mm | D1, D2 |
| 3 | 10uH 20% | L_Bourns-SRN6028 | L1, L2, L3 |
| 8 | FB | R_1206_3216Metric | L4, L5, L7, L8, L9, L10, L12, L13 |
| 2 | 1.5uH | R_1206_3216Metric | L6, L11 |
| 38 | 0.1uF 50V | C_1206_3216Metric | C1, C3, C7, C9, C10, C11, C13, C17 +30 |
| 3 | 470uF 25V | CP_Radial_D10.0mm_P5.00mm | C2, C5, C6 |
| 10 | 10uF 16V | C_1206_3216Metric | C4, C8, C12, C15, C20, C21, C22, C27 +2 |
| 2 | 2.2uF 16V | C_1206_3216Metric | C14, C16 |
| 2 | 2.2nF | C_1206_3216Metric | C23, C24 |
| 12 | 0.01uF 50V | C_1206_3216Metric | C31, C32, C33, C34, C35, C36, C37, C43 +4 |
| 13 | 10uF 50V | C_1206_3216Metric | C38, C39, C45, C46, C53, C56, C57, C58 +5 |
| 6 | 10nF 50V | C_1206_3216Metric | C41, C42, C81, C82, C83, C84 |
| 2 | 2.2nF 50V | C_1206_3216Metric | C49, C50 |
| 4 | 0.2uF 50V | C_1206_3216Metric | C64, C65, C66, C67 |
| 4 | 1uF 50V | C_1206_3216Metric | C77, C78, C79, C80 |
| 2 | 180pF 50V | C_1206_3216Metric | C95, C97 |
| 2 | 105pF 50V | C_1206_3216Metric | C96, C98 |
| 7 | 2k2 | R_1206_3216Metric | R1, R16, R17, R35, R36, R53, R54 |
| 2 | 470R | R_1206_3216Metric | R2, R3 |
| 8 | 100R | R_1206_3216Metric | R4, R5, R6, R39, R40, R41, R42, R52 |
| 2 | 2.2K | R_1206_3216Metric | R7, R27 |
| 2 | 330 | R_1206_3216Metric | R8, R9 |
| 10 | 10k | R_1206_3216Metric | R10, R11, R28, R32, R33, R34, R47, R48 +2 |
| 2 | 2k2 1% | R_1206_3216Metric | R12, R13 |
| 6 | 10k 1% | R_1206_3216Metric | R14, R15, R18, R19, R20, R21 |
| 4 | 49R9 1% | R_1206_3216Metric | R22, R23, R24, R25 |
| 1 | 36R5 | R_1206_3216Metric | R26 |
| 2 | 500R | R_1206_3216Metric | R29, R30 |
| 1 | 100k | R_1206_3216Metric | R31 |
| 1 | 51k | R_1206_3216Metric | R38 |
| 1 | 1k2 | R_1206_3216Metric | R43 |
| 2 | 2k | R_1206_3216Metric | R44, R45 |
| 1 | 1k8 | R_1206_3216Metric | R46 |
| 1 | 330R | R_1206_3216Metric | R51 |
| 8 | 5k1 | R_1206_3216Metric | R55, R56, R57, R58, R59, R60, R61, R62 |
| 2 | 0 | R_1206_3216Metric | R63, R64 |
T41-Main+RF-board-V012 design files
The KiCad project lives in the DRWJSCHMIDT/T41 repository on GitHub; these links point at the commit this page was built from.
- LayoutT41_V012_Mini_Files/T41_V012_Mini_Projects/T41-mini-Main+RF-board-V012/T41-Main+RF-board-V012.kicad_pcb
- SchematicT41_V012_Mini_Files/T41_V012_Mini_Projects/T41-mini-Main+RF-board-V012/T41-Main+RF-board-V012.kicad_sch
- BOMT41_V012_Files/T41_V012_BOMs/Source Files/T41_BPF_Board_BOM_V12.6_02-16-25.xlsx
T41-Main+RF-board-V012: common questions
What microcontroller does the T41-Main+RF-board-V012 use?
The T41-Main+RF-board-V012 is built around the MASWS0179, from the NXP family.
How big is the T41-Main+RF-board-V012?
The T41-Main+RF-board-V012 measures 166 × 101.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the T41-Main+RF-board-V012?
250 components, from 74 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the T41-Main+RF-board-V012 design files?
From the DRWJSCHMIDT/T41 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the T41-Main+RF-board-V012 design in my own project?
The repository has no license, so all rights stay with DRWJSCHMIDT. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the T41-Main+RF-board-V012 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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