2 layers100 × 100 mm
2 layers100 × 100 mm
RF FrontEnd
OSHE-Github/Radar-Detector- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 0.59 mm
- Parts
- 105
- Nets
- 108
- Pads
- 363
- Tracks, vias
- 618, 633
- Pours
- 19
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 10 Jan 2026
- Updated
- 23 Apr 2026
Overview
RF FrontEnd is an open-source printed circuit board by OSHE-Github, from the OSHE-Github/Radar-Detector repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 100 × 100 mm with 105 parts on 108 nets, routed with 618 tracks and 633 vias.
It is built around the ERA-3+, AD8314ARMZ and MAAM-011100-TR1000, with the PMA3-15453+, LMX2592RHAR and PMA3-453+ among its other parts. Its parts include 49 capacitors, 22 resistors, 10 ICs, 5 connectors and 5 inductors. It belongs with the radio and wireless boards of this library.
Main components
8
ERA-3+
SMD-4P0Hz~3GHz 12.5dBm 18.5dB 2.9dB 35mA 3V~3.4V SMD-4P RF Amplifiers ROHSMini-CircuitsRF Amplifiers
AD8314ARMZ
MSOP-8-45dBm~0dBm 100MHz~2.7GHz 2.7V~5.5V 5.7mA 对数检测 MSOP-8 RF Detectors ROHSAnalog DevicesRF Detectors
MAAM-011100-TR1000
TDFN-6(1.5x1.2)-40℃~+85℃ 12dB 12dB 14dB 15dBm 15dBm 400MHz~20GHz 5V 5dB 70mA Variable gain control、Electrostatic protection TDFN-6(1.5x1.2) RF Amplifiers ROHSMACOMRF AmplifiersPMA3-15453+
MCLP-12(3x3)-45℃~+85℃ 128mA 15GHz~45GHz 17.1dBm 18.9dB 2.6dB 20dB 21dB 25dBm 4.75V~5.25V MCLP-12(3x3) RF Amplifiers ROHSMini-CircuitsRF Amplifiers
LMX2592RHAR
VQFN-40-EP(6x6)-40℃~+85℃ 2 3.15V~3.45V 49fs 9800MHz Built-in CMOS SPI、Three-Wire Interface Support VQFN-40-EP(6x6) Clock Generators, PLLs, Frequency Synthesizers ROHSTexas InstrumentsClock Generators, PLLs, Frequency SynthesizersPMA3-453+
MCLP-12(3x3)UncategorisedMini-Circuits
MA4E1317
SMD-65℃~+125℃ 1 Independent 7V 800mV@1mA SMD Schottky Diodes ROHSMACOMSchottky Diodes
CWX813-100.0M
SMD7050-4PCrystal OscillatorsConnor Winfield
README
README.mdRadar-Detector
Project Details
a fully open-source radar detector that can be easily replicated by others. Unlike existing commercial solutions, which are proprietary, this design will provide transparency, customization, and accessibility to users. By creating the first truly open-source radar detector, the project expands available options for individuals interested in building, modifying, or better understanding radar detection technology.
This device is powered by the 12V port that's in every commercial vehicle by using a 5V adapter and USB-C connector on board.
Current State
The current Design includes
- Completed RF and Control Board
- Completed Antenna and Waveguide
- A breadboarded circuit for K band detection
Semester End Report
For the Enterprise Program at Michigan Tech there is a end of semester report for the project to summarize the progress of the project. Link
Relevant Standards
- Traces Were sized appropriately for current being drawn
- No traces can be ran under the main RF lines
- There was fusing put in front of the main power input from the USB-C
- Decoupling capacitors used to reduce noise from voltage sources going into sensitive components
Constraints of Design
- when working with high frequencies up to 40GHz you have to use special small components that can handle it
- The material to make a PCB that can handle that high of frequencies is very expensive
- Amplifiers for this frequency are very expensive
Next Semester Goals
- Look into possible cheaper solutions using modules like what we found for the K band
- Test the Ka band implementation once we have the antenna
- Look into the design on the component for the K band and see if parts of it are re-creatable
Parts
105| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C5, C16, C21, C27, C33, C40, C41, C42, C43 |
| 8 | 100nF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C4, C8, C11, C14, C20, C26, C32, C44 |
| 8 | 33pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C3, C6, C19, C22, C25, C28, C31, C34 |
| 6 | 1pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C17, C18, C23, C24, C29, C30 |
| 5 | 10uF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C9, C45, C46, C48, C49 |
| 4 | MA4E1317 | footprints_RF_NEW:MA4E1317_1278_MCM | CR1, CR2, CR3, CR4 |
| 3 | 1.5KΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16, R17, R18 |
| 3 | 5.6nH | Inductor_SMD:L_0402_1005Metric_Pad0.77x0.64mm_HandSolder | L3, L4, L5 |
| 3 | 50Ω | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R5 |
| 3 | ERA-3+ | SamacSys_Parts:ERA3 | IC2, IC3, IC4 |
| 2 | 0.1μF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2, C36 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C15 |
| 2 | 16-18.5 GHz | RF_Filters:2 x Fsynth λ_4 Stub | BandPassFilter6, BandPassFilter8 |
| 2 | 16-18.5 GHz | RF_Filters:Fsynth λ_4 Stub | BandPassFilter5, BandPassFilter7 |
| 2 | 220nF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C37, C39 |
| 2 | 24Ω | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23, R25 |
| 2 | 390nH | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1, L2 |
| 2 | 39Ω | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R22, R24 |
| 2 | 50Ω | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R9, R27 |
| 2 | Conn_01x09 | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J2, J3 |
| 2 | Conn_01x11 | Connector_PinHeader_2.54mm:PinHeader_1x11_P2.54mm_Vertical | J4, J5 |
| 1 | 1.5KΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1 |
| 1 | 1.5kΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R8 |
| 1 | 1.8nF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C47 |
| 1 | 10Ω | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R20 |
| 1 | 12kΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R10 |
| 1 | 16-18.5 GHz | RF_Filters:4 x Fsynth λ_4 Stub | BandPassFilter9 |
| 1 | 16-18.5 GHz | RF_Filters:LP(9.5) | BandPassFilter4 |
| 1 | 16-18.5 GHz | RF_Filters:BP(16-18.5) | BandPassFilter2 |
| 1 | 18Ω | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 1 | 1kΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R21 |
| 1 | 2.2kΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R7 |
| 1 | 220nF | Capacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C38 |
| 1 | 220pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C35 |
| 1 | 292-J-P-EP-ST-CMM-2 | 292-J-P-EP-ST-CMM-2:SAMTEC_292-J-P-EP-ST-CMM-2 | J1 |
| 1 | 3.3kΩ | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R6 |
| 1 | 33.3-35.9 GHz | RF_Filters:BP(33.3-35.9) | BandPassFilter3 |
| 1 | 52.3Ω | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R19 |
| 1 | 56pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C13 |
| 1 | 5pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1 |
| 1 | 68pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C10 |
| 1 | 68Ω | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R26 |
| 1 | 9.1pF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C12 |
| 1 | AD8314ARMZ | RF_FrontEnd:SOP65P490X110-8N | U4 |
| 1 | CWX813-100.0M | footprints_RF_NEW:CWX813-100.0M_CNW | XTAL1 |
| 1 | LMX2592RHAR | footprints_RF_NEW:RHA40_TEX | U3 |
| 1 | MAAM-011100-TR1000 | footprints_RF_NEW:TDFN6_1.5X1.2_MCM | U5 |
| 1 | MDB-44H+ | footprints_MDB:DQ1225_MNC | U1 |
| 1 | PMA-5451_ | RF_FrontEnd:QFN66P300X300X99-9N | U2 |
| 1 | PMA3-15453+ | SamacSys_Parts:PMA315453 | IC5 |
| 1 | PMA3-453+ | SamacSys_Parts:QFN51P300X300X89-13N | IC1 |
| 1 | ~ | RF_Filters:BP(33.4-36) | BandPassFilter1 |
Questions
How big is the RF FrontEnd PCB?
It measures 100 × 100 mm and has 2 copper layers, 0.59 mm thick.
What parts does the RF FrontEnd use?
105 parts, built around the ERA-3+, AD8314ARMZ, MAAM-011100-TR1000 and PMA3-15453+. 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 RF FrontEnd KiCad files?
From the OSHE-Github/Radar-Detector repository on GitHub, at the commit this page was made from: the board is Front-End KiCad/Radar_Detector/FINAL - UPPER RF BOARD/RF_FrontEnd.kicad_pcb and its schematic Front-End KiCad/Radar_Detector/FINAL - LOWER OSHE CONTROL BOARD/FINAL - LOWER OSHE CONTROL BOARD/OSHE_RadarDetector_ControlBoard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RF FrontEnd design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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