2 layers112 × 60.5 mm
2 layers31.5 × 20.5 mm
Preamp
loxodes/emc_tools28experimental open hardware e-field and h-field probes and LISN
- Size
- 31.5 × 20.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 14
- Pads
- 59
- Tracks, vias
- 91, 12
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 17 May 2016
- Updated
- 26 Dec 2022
Overview
Preamp is an open-source printed circuit board by loxodes, from the loxodes/emc_tools repository on GitHub, published under the MIT licence. It is a 2-layer board of 31.5 × 20.5 mm with 21 parts on 14 nets, routed with 91 tracks and 12 vias.
Its parts include 8 capacitors, 4 resistors, 3 ICs, 3 inductors and 2 connectors. It belongs with the sensors and measurement and audio and music boards of this library.
README
README.mdem_probes
experimental open hardware near field e-field and h-field probes
See doc folder for scalar network analyzer captures of probe performance.
h-field probe design from "Study of Magnetic Probes Used in EMI Measurements", DOI 10.1109/APEMC.2015.7175309
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 100 nF | Capacitors_SMD:C_0402 | C102, C104, C107 |
| 2 | 100 pF | Capacitors_SMD:C_0402 | C103, C105 |
| 2 | 1000 pF | Capacitors_SMD:C_0402 | C101, C106 |
| 2 | 1k | Resistors_SMD:R_0402 | R101, R102 |
| 2 | 56 | Resistors_SMD:R_0402 | R103, R104 |
| 2 | CONN_SMA | vna_footprints:732512200_SMA | U101, U103 |
| 1 | 10 uF | Capacitors_SMD:C_0603 | C108 |
| 1 | 2.2 nH | Resistors_SMD:R_0402 | L101 |
| 1 | 22 nH | Resistors_SMD:R_0402 | L102 |
| 1 | CHIP | Resistors_SMD:R_0603 | L103 |
| 1 | CONN_01X02 | Pin_Headers:Pin_Header_Straight_1x02 | P101 |
| 1 | HMC476MP86 | probe_footprints:sot86 | U102 |
| 1 | LED | LEDs:LED_0603 | D101 |
| 1 | USB_OTG | Connect:USB_Micro-B_10103594-0001LF | P102 |
Questions
How big is the Preamp PCB?
It measures 31.5 × 20.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Preamp use?
21 parts. 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 Preamp KiCad files?
From the loxodes/emc_tools repository on GitHub, at the commit this page was made from: the board is preamp/preamp.kicad_pcb and its schematic commonmode_choke/commonmode_choke.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Preamp design in my own project?
Its repository publishes it under the MIT 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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