RMUC2026 RF
dfdtc·RMUC2026_RF·Hardware/BPF_LNA/pre_filter.kicad_pcb
About the RMUC2026 RF PCB
RMUC2026 RF is an open source PCB design by dfdtc, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 40 × 40 mm, with 19 components from 13 distinct parts.
Other key parts include the QPL9547. By type, the board carries 6 capacitors, 4 connectors, 3 resistors, 2 inductors, 1 IC and 1 crystal.
From the project
This is the pubilc repository of BNBU 2026 RMUC RF part of Radar
这是一个简单的预选带通滤波器+LNA,关键器件是带通SAW滤波器B39431B3710U410,和LNA QPL9547;
本设计期望使用一个比较优质的前置低噪声,降低系统噪声系数,使用预选滤波器,尽可能避免带外大信号干扰(但注意,无法过滤干扰源信号);
本设计由TypeC供电5V,实测工作功率<1W,支持从GH1.25受电或给其他设备串联供电,如果不需要可以不焊接。
屏蔽外壳还未完成,完成后可以使用SMA-KF,目前模型有问题,TypeC和螺纹开孔位置不对,欢迎贡献。
Main components on the RMUC2026 RF
RMUC2026 RF bill of materials (BOM)
19 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | QPL9547 | DFN-8-1EP_2x2mm_P0.5mm_EP0.8x1.6mm | U1 |
| 1 | B39431B3710U410 | Filter_SAW_Epcos_DCC6C_3x3mm | X1 |
| 2 | Conn_Coaxial | SMA_Amphenol_132289_EdgeMount | J1, J2 |
| 1 | USB_C_6P | USB_C_Receptacle_HRO_TYPE-C-31-M-17 | J3 |
| 1 | GH1.25_H | JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_Horizontal | J4 |
| 1 | 500ma PPTC | Fuse_1206_3216Metric | F1 |
| 1 | SMF6V0A | D_SMF | D1 |
| 1 | 120OHM 120ohm | C_0805_2012Metric | FB1 |
| 1 | 18N 18n | L_0402_1005Metric | L1 |
| 5 | 100P 100p | C_0402_1005Metric | C3, C4, C6, C7, C8 |
| 1 | 1u | C_0805_2012Metric | C5 |
| 1 | 3.32K 3.32k | R_0402_1005Metric | R2 |
| 2 | 5.1K 5.1k | R_0402_1005Metric | R3, R4 |
RMUC2026 RF design files
The KiCad project lives in the dfdtc/RMUC2026_RF repository on GitHub; these links point at the commit this page was built from.
RMUC2026 RF: common questions
How big is the RMUC2026 RF PCB?
The RMUC2026 RF measures 40 × 40 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the RMUC2026 RF?
19 components, from 13 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 RMUC2026 RF design files?
From the dfdtc/RMUC2026_RF 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 RMUC2026 RF design in my own project?
Yes, under the terms of its GPL-3.0 license, which dfdtc chose for the repository.