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4 layers220 × 160.5 mmHauptplatine, the printed circuit board in 3D

Hauptplatine

JoshCrouch/HELIOS

A basic SDR Project to practice designing an RF Front-End

Full screenGitHub.kicad_pcb
Size
220 × 160.5 mm
Copper layers
4
Thickness
1.6 mm
Parts
531
Nets
280
Pads
1,561
Tracks, vias
3,237, 2,387
Pours
44
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
24 Dec 2025
Updated
30 Jun 2026

Overview

Hauptplatine is an open-source printed circuit board by JoshCrouch, from the JoshCrouch/HELIOS repository on GitHub. It is a 4-layer board of 220 × 160.5 mm with 531 parts on 280 nets, routed with 3,237 tracks and 2,387 vias.

It is built around the LT3042, BC817 and FBMH4532HM681-T. Its parts include 253 capacitors, 50 resistors, 30 inductors, 13 diodes and 3 ICs. It belongs with the radio and wireless boards of this library.

Main components

3

README

README.md

HELIOS

A basic SDR Project to practice designing an RF Front-End

Parts

531
QtyValueFootprintReferences
55100nCapacitor_SMD:C_0603_1608MetricC100, C104, C105, C106, C108, C110, C116, C117, C118, C138, C139, C143, C144, C150, C151, C161 +39
49100nCapacitor_SMD:C_0805_2012MetricC1, C11, C12, C14, C15, C16, C19, C20, C22, C23, C112, C204, C205, C227, C229, C230 +33
26MMZ2012R600Inductor_SMD:L_0805_2012MetricFB10, FB19, FB20, FB21, FB22, FB23, FB24, FB25, FB26, FB27, FB28, FB34, FB35, FB36, FB37, FB38 +10
1547nCapacitor_SMD:C_0603_1608MetricC119, C125, C131, C145, C160, C177, C194, C195, C196, C197, C198, C212, C213, C214, C215
15MPZ2012S102Inductor_SMD:L_0805_2012MetricFB1, FB2, FB3, FB4, FB7, FB11, FB12, FB32, FB33, FB41, FB42, FB50, FB52, FB53, FB54
14100pCapacitor_SMD:C_0603_1608MetricC53, C58, C60, C62, C65, C68, C71, C72, C163, C166, C208, C211, C221, C225
1210nCapacitor_SMD:C_0603_1608MetricC86, C90, C91, C93, C94, C99, C124, C136, C137, C155, C231, C232
10100pCapacitor_SMD:C_0805_2012MetricC9, C13, C21, C188, C189, C190, C191, C192, C193, C199
10270Resistor_SMD:R_0805_2012MetricR1, R2, R4, R13, R31, R46, R58, R59, R66, R67
910µCapacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-BC5, C38, C43, C79, C206, C228, C239, C242, C254
81µCapacitor_SMD:C_0603_1608MetricC46, C47, C49, C50, C55, C56, C81, C82
8MPZ1608S102Inductor_SMD:L_0603_1608MetricFB13, FB14, FB15, FB16, FB17, FB18, FB43, FB49
7100nInductor_SMD:L_0603_1608MetricL7, L9, L10, L11, L16, L17, L32
71µCapacitor_SMD:C_0805_2012MetricC17, C18, C24, C34, C69, C235, C255
7redLED_SMD:LED_0805_2012MetricD2, D5, D7, D10, D11, D12, D13
610kResistor_SMD:R_0805_2012MetricR12, R33, R47, R65, R68, R70
64.7pCapacitor_SMD:C_0603_1608MetricC180, C181, C182, C183, C184, C185
66.8pCapacitor_SMD:C_0603_1608MetricC169, C170, C171, C172, C173, C174
510nCapacitor_SMD:C_0805_2012MetricC25, C26, C28, C29, C207
518nInductor_SMD:L_0603_1608MetricL23, L24, L25, L26, L27
51kResistor_SMD:R_0603_1608MetricR29, R32, R36, R37, R38
5330pCapacitor_SMD:C_0603_1608MetricC216, C217, C218, C219, C220
547nCapacitor_SMD:C_0805_2012MetricC6, C27, C39, C44, C92
4100µCapacitor_THT:CP_Radial_D6.3mm_P2.50mmC2, C260, C265, C272
410nInductor_SMD:L_0603_1608MetricL28, L29, L30, L31
410pCapacitor_SMD:C_0603_1608MetricC107, C109, C111, C113
410µCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC262, C267, C274, C278
410µInductor_SMD:L_0805_2012MetricL1, L2, L3, L34
41N4148Diode_SMD:D_SOD-323FD3, D4, D8, D9
42.7pCapacitor_SMD:C_0603_1608MetricC178, C179, C186, C187
45.6pCapacitor_SMD:C_0603_1608MetricC167, C168, C175, C176
31kResistor_SMD:R_0805_2012MetricR11, R60, R61
34.7µCapacitor_SMD:C_0805_2012MetricC7, C40, C45
3BC817Package_TO_SOT_SMD:SOT-23Q1, Q2, Q3
3LT3042Package_SO:MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mmU1, U7, U8
3MMZ1608R600Inductor_SMD:L_0603_1608MetricFB29, FB30, FB31
2 FBMH4532HM681-T Inductor_SMD:L_1812_4532MetricFB55, FB56
21.037 mmmario-various:TranslineTL19, TL27
21.407 mmmario-various:TranslineTL21, TL25
21.417 mmmario-various:TranslineTL10, TL18
21.929 mmmario-various:TranslineTL1, TL9
21.947 mmmario-various:TranslineTL12, TL16
21000µCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC257, C269
210µInductor_SMD:L_Wuerth_WE-PD-Typ-LSL35, L37
210µCapacitor_SMD:C_0805_2012MetricC247, C248
211.11 mmmario-various:TranslineTL11, TL17
211.87 mmmario-various:TranslineTL13, TL15
212pCapacitor_SMD:C_0603_1608MetricC142, C159
213.69 mmmario-various:TranslineTL2, TL8
214.61 mmmario-various:TranslineTL4, TL6
215nInductor_SMD:L_0603_1608MetricL22, L33
215pCapacitor_SMD:C_0603_1608MetricC149, C158
218Resistor_SMD:R_0805_2012MetricR6, R10
218pCapacitor_SMD:C_0603_1608MetricC141, C157
21nCapacitor_SMD:C_0603_1608MetricC129, C130
22.674 mmmario-various:TranslineTL3, TL7
222kResistor_SMD:R_0805_2012MetricR5, R14
222pCapacitor_SMD:C_0805_2012MetricC95, C98
222pCapacitor_SMD:C_0603_1608MetricC128, C146
225Resistor_SMD:R_0603_1608MetricR25, R26
227Resistor_SMD:R_0805_2012MetricR63, R64
227pCapacitor_SMD:C_0603_1608MetricC135, C147
233Resistor_SMD:R_0805_2012MetricR9, R53
2330Resistor_SMD:R_0805_2012MetricR52, R56
233kResistor_SMD:R_0805_2012MetricR3, R20
233nInductor_SMD:L_0603_1608MetricL19, L20
233pCapacitor_SMD:C_0805_2012MetricC96, C97
2390Resistor_SMD:R_0805_2012MetricR41, R42
24.7Resistor_SMD:R_0603_1608MetricR39, R40
24.7kResistor_SMD:R_0805_2012MetricR55, R62
24.7nInductor_SMD:L_0603_1608MetricL14, L15
2442Resistor_SMD:R_0603_1608MetricR21, R22
247pCapacitor_SMD:C_0805_2012MetricC249, C250
25.6VDiode_SMD:D_SOD-123D14, D16
250Resistor_SMD:R_0603_1608MetricR23, R24
251pCapacitor_SMD:C_0603_1608MetricC114, C133
256nInductor_SMD:L_0603_1608MetricL12, L18
26.022 mmmario-various:TranslineTL20, TL26
26.459 mmmario-various:TranslineTL22, TL24
268Resistor_SMD:R_0805_2012MetricR8, R17

The 430 most common of 531 parts.

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Questions

How big is the Hauptplatine PCB?

It measures 220 × 160.5 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Hauptplatine use?

531 parts, built around the LT3042, BC817 and FBMH4532HM681-T. 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 Hauptplatine KiCad files?

From the JoshCrouch/HELIOS repository on GitHub, at the commit this page was made from: the board is Reference/Board/Hauptplatine/Hauptplatine.kicad_pcb and its schematic Hardware/BPF_Bank.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Hauptplatine design in my own project?

Its repository states no licence, so its author keeps all rights: ask JoshCrouch before reusing the design.