2 layers
4 layers99.6 × 43.7 mm
Mini17
M17-Project/Mini1741Mini17 - QRP M17 handheld
- Size
- 99.6 × 43.7 mm
- Copper layers
- 4
- Thickness
- 4.69 mm
- Parts
- 209
- Nets
- 213
- Pads
- 739
- Tracks, vias
- 163, 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 25 Jul 2022
- Updated
- 30 Jan 2026
Overview
Mini17 is an open-source printed circuit board by M17-Project, from the M17-Project/Mini17 repository on GitHub. It is a 4-layer board of 99.6 × 43.7 mm with 209 parts on 213 nets, routed with 163 tracks and 2 vias.
It is built around the CC1200RHB, LM4861M and BAT60A, with the BLM18AG601SN1D and 12-23C/R6GHBHC-A01/2C among its other parts. Its parts include 84 capacitors, 47 resistors, 19 switches, 9 inductors and 7 diodes.
Main components
5
CC1200RHB
VQFN-32-EP(5x5)-123dBm -40℃~+85℃ 1.25Mbps 164MHz~950MHz 16dBm 23mA 2V~3.6V 46mA 869.5MHz ISM、802.15.4 Power-on reset function、Supports RSSI function、Supports FEC function、CRC check function、Automatic response function、Automatic retransmission function SPI transceiver VQFN-32-EP(5x5) RF Transceiver ICs ROHSTexas InstrumentsRF Transceiver ICs
LM4861M
SOIC-8-40℃~+85℃ 1-Channel 1.5Wx1@8Ω 2V~5.5V Enable/disable function、ESD protection SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio Amplifiers
BAT60A
SOD-323Schottky DiodesSlkor
BLM18AG601SN1D
0603-55℃~+125℃ 1 380mΩ 500mA 600Ω@100MHz ±25% 0603 Ferrite Beads ROHSMurataFerrite Beads
12-23C/R6GHBHC-A01/2C
SMD-4P,3x1.5mm-40℃~+85℃ 100° Common Anode Side View Mount SMD-4P,3x1.5mm RGB LEDs ROHSEverlight ElectronicsRGB LEDs
README
README.md
Mini17
Mini17 - QRP M17 handheld.
About
The first handheld to suport M17 was our own TR-9. Unfortunately, the design has a minor flaw in the RF part and is very hard to assemble. After that, we tried modifying various radios with different outcomes. This is our new device - the Mini17. It's built around the CC1200 RF chip, which does great job at receiving and transmitting M17 signals. The power output is limited to 16dBm (40mW), so it's a QRP radio. The idea is to build a small radio first and then add RF power amplifier stage later. A Proof of Concept, if you will. The design could even be extended to a mobile rig in the future.
Hardware
The RF chip used is CC1200, MCU is STM32F405RGT6. OLED display is the same as in Module17.
Firmware
OpenRTX - the Linux of amateur radio!
Structure
/Hardware/KiCAD contains two complete KiCAD projects, one for the mainboard and the other for the HMI
/MCU/Mini17.ioc contains the pinout plan for an STM32F405RGT6 MCU (to be used with CubeIDE >=1.10.1)
Parts
209| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | 47n | Capacitor_SMD:C_0402_1005Metric | C11, C29, C30, C31, C32, C33, C34, C121, C131, C151, C221, C251, C261, C271, C281, C291 +4 |
| 16 | SW_Push_45deg | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2 | SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17 |
| 13 | 100n | Capacitor_SMD:C_0402_1005Metric | C14, C15, C16, C18, C20, C24, C26, C28, C29, C38, C40, C43, C45 |
| 13 | 100nF | Capacitor_SMD:C_0402_1005Metric | C9, C13, C56, C57, C58, C59, C60, C62, C63, C64, C65, C66, C67 |
| 11 | 10k | Resistor_SMD:R_0402_1005Metric | R8, R9, R14, R29, R36, R37, R38, R40, R41, R42, R43 |
| 7 | 47k | Resistor_SMD:R_0402_1005Metric | R18, R30, R31, R32, R33, R34, R39 |
| 4 | 10nF | Capacitor_SMD:C_0402_1005Metric | C1, C8, C12, C68 |
| 4 | 12p | Capacitor_SMD:C_0402_1005Metric | C2, C3, C301, C311 |
| 4 | 2u2 | Capacitor_SMD:C_0402_1005Metric | C4, C5, C19, C21 |
| 4 | 680R | Resistor_SMD:R_0402_1005Metric | R25, R26, R27, R28 |
| 4 | M2 | MountingHole:MountingHole_2.2mm_M2_DIN965_Pad | H1, H2, H3, H4 |
| 3 | 10n | Capacitor_SMD:C_0402_1005Metric | C35, C171, C211 |
| 3 | 220n | Capacitor_SMD:C_0402_1005Metric | C1, C23, C61 |
| 3 | 5.1p | Capacitor_SMD:C_0402_1005Metric | C181, C191, C201 |
| 2 | 100k | Resistor_SMD:R_0402_1005Metric | R12, R20 |
| 2 | 15n | Inductor_SMD:L_0402_1005Metric | L172, L193 |
| 2 | 1u | Capacitor_SMD:C_0402_1005Metric | C39, C46 |
| 2 | 22 | Resistor_SMD:R_0402_1005Metric | R3, R4 |
| 2 | 22k | Resistor_SMD:R_0402_1005Metric | R16, R17 |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R5, R6 |
| 2 | 27n | Inductor_SMD:L_0402_1005Metric | L192, L201 |
| 2 | 2k2 | Resistor_SMD:R_0402_1005Metric | R10, R15 |
| 2 | 56n | Inductor_SMD:L_0402_1005Metric | L171, L191 |
| 2 | 5k1 | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | BAT60A | Diode_SMD:D_SOD-323 | D1, D3 |
| 2 | BLM18AG601SN1D | digikey-footprints:0603 | FB3, FB3 |
| 2 | FB0805 | Fuse:Fuse_0805_2012Metric | FB1, FB2 |
| 1 | 0 | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 0R | Resistor_SMD:R_0402_1005Metric | R7 |
| 1 | 1.5n | Capacitor_SMD:C_0402_1005Metric | C231 |
| 1 | 100p | Capacitor_SMD:C_0402_1005Metric | C172 |
| 1 | 100u/6.3V | Capacitor_SMD:C_1206_3216Metric | C27 |
| 1 | 10k 1% | Resistor_SMD:R_0402_1005Metric | R24 |
| 1 | 10u | Inductor_SMD:L_Vishay_IHLP-2525 | L1 |
| 1 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A | C42 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C37 |
| 1 | 12-23C/R6GHBHC-A01/2C | LED_SMD:LED_RGB_Everlight_EASV3015RGBA0_Horizontal | D6 |
| 1 | 126k | Resistor_SMD:R_0402_1005Metric | R22 |
| 1 | 150k | Resistor_SMD:R_0402_1005Metric | R13 |
| 1 | 15p | Capacitor_SMD:C_0402_1005Metric | C25 |
| 1 | 18 | Resistor_SMD:R_0402_1005Metric | R171 |
| 1 | 18k 1% | Resistor_SMD:R_0402_1005Metric | R23 |
| 1 | 1k | Resistor_SMD:R_0402_1005Metric | R35 |
| 1 | 1k8 | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | 1n | Capacitor_SMD:C_0402_1005Metric | C22 |
| 1 | 2.2p | Capacitor_SMD:C_0402_1005Metric | C176 |
| 1 | 220p | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 22n | Inductor_SMD:L_0402_1005Metric | L174 |
| 1 | 22u | Capacitor_SMD:C_1210_3225Metric | C41 |
| 1 | 24k | Resistor_SMD:R_0402_1005Metric | R21 |
| 1 | 2k | Resistor_SMD:R_0402_1005Metric | R19 |
| 1 | 39p | Capacitor_SMD:C_0402_1005Metric | C174 |
| 1 | 3v3 | Diode_SMD:D_SOD-523 | D4 |
| 1 | 4.7u | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 40 MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y3 |
| 1 | 43n | Inductor_SMD:L_0402_1005Metric | L173 |
| 1 | 470 | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 470n | Capacitor_SMD:C_0402_1005Metric | C17 |
| 1 | 50k | M17-SmartMic:PTR901 | RV1 |
| 1 | 56k | Resistor_SMD:R_0402_1005Metric | R141 |
| 1 | 56p | Capacitor_SMD:C_0402_1005Metric | C173 |
| 1 | 6.2p | Capacitor_SMD:C_0402_1005Metric | C175 |
| 1 | 8 MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | CC1200 | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U4 |
| 1 | Conn_Coaxial | Connector_Coaxial:SMA_Amphenol_901-143_Horizontal | J8 |
| 1 | DFLT18A-7 | Diode_SMD:D_SOD-128 | D2 |
| 1 | Error | Diode_SMD:D_0603_1608Metric | D8 |
| 1 | F1 | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx31-2LFS | SW19 |
| 1 | F2 | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx31-2LFS | SW20 |
| 1 | Front Panel Connector | SamacSys_Parts3:FH19SC24S05SH09 | J9 |
| 1 | Kenwood-2.5 | M17-SmartMic:PJ-211A | J5 |
| 1 | Kenwood-3.5 | M17-SmartMic:PJ-3136-B | J4 |
| 1 | LM4861M | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | IC1 |
| 1 | MAX9814 | Package_DFN_QFN:DFN-14-1EP_3x3mm_P0.4mm_EP1.78x2.35mm | U5 |
| 1 | Micro_SD_Card_Det | Connector_Card:microSD_HC_Hirose_DM3AT-SF-PEJM5 | J3 |
| 1 | OLED | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J7 |
| 1 | PTT | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx31-2LFS | SW1 |
| 1 | Polyfuse | Fuse:Fuse_0805_2012Metric | F1 |
| 1 | Power | Diode_SMD:D_0201_0603Metric | D5 |
| 1 | STLink | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
The 188 most common of 209 parts.
Questions
How big is the Mini17 PCB?
It measures 99.6 × 43.7 mm and has 4 copper layers, 4.69 mm thick.
What parts does the Mini17 use?
209 parts, built around the CC1200RHB, LM4861M, BAT60A and BLM18AG601SN1D. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Mini17 KiCad files?
From the M17-Project/Mini17 repository on GitHub, at the commit this page was made from: the board is Hardware/KiCAD/mainboard/Mini17.kicad_pcb and its schematic Hardware/KiCAD/HMI/hmi.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mini17 design in my own project?
Its repository states no licence, so its author keeps all rights: ask M17-Project before reusing the design.
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