4 layers78.5 × 55.5 mm
Vna r1 demod
loxodes/vna
Under development open hardware microwave vector network analyzer
588 parts205
4 layers66.5 × 93.5 mm
Vna demod
loxodes/vna205Under development open hardware microwave vector network analyzer
- Size
- 66.5 × 93.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 721
- Nets
- 229
- Pads
- 1,556
- Tracks, vias
- 2,447, 408
- Pours
- 15
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 22 Apr 2016
- Updated
- 31 Dec 2023
Overview
Vna demod is an open-source printed circuit board by loxodes, from the loxodes/vna repository on GitHub. It is a 4-layer board of 66.5 × 93.5 mm with 721 parts on 229 nets, routed with 2,447 tracks and 408 vias.
It is built around the LMX2594RHA and NB3N551D. Its parts include 144 capacitors, 107 resistors, 20 ICs, 19 inductors and 9 connectors. It belongs with the radio and wireless and sensors and measurement boards of this library.
Main components
2
LMX2594RHA
QFN4015GHz Wideband PLLatinum RF Synthesizer with Phase Synchronization and JESD204B SupportTexas InstrumentsUncategorised
NB3N551D
SOIC-8-40℃~+85℃ 1 180MHz 3V~5.5V 4 Multi-channel fan-out/isolation drive、Output enable/shutdown SOIC-8 Clock Buffers, Drivers, Distributors ROHSonsemiClock Buffers, Drivers, Distributors
README
README.mdOpen Hardware Vector Network Analyzer
I'm developing a proof of concept two port microwave vector network analyzer. The project is under developent. Ongoing documentation and logs are located on a hackaday.io project page.
Usage
This project is still under development, y'all probably don't want to try reproducing it yet. Two port measurements to 14 GHz work, a redesign for operation out to 36 GHz is in progress.
Hardware Design
See breakouts and hardware for various modules developed for the network analyzer.
Software Design
See the software directory for scraps of software written for testing VNA modules.
License
Unless otherwise noted, all work is under a MIT license.
Contact
Feel free to contact me at arcticmicrowave@gmail.com or loxodes on irc.freenode.net
Parts
721| Qty | Value | Footprint | References |
|---|---|---|---|
| 58 | 100 nF | Capacitors_SMD:C_0402 | C201, C215, C303, C307, C308, C316, C317, C318, C319, C320, C323, C325, C326, C327, C329, C503 +42 |
| 44 | 1k | Resistors_SMD:R_0402 | R210, R302, R303, R308, R309, R310, R311, R312, R313, R314, R315, R401, R402, R502, R503, R508 +28 |
| 25 | 10 nF | Capacitors_SMD:C_0402 | C219, C220, C304, C306, C314, C321, C322, C504, C506, C514, C521, C522, C604, C606, C614, C621 +9 |
| 25 | DNP | Resistors_SMD:R_0402 | R301, R305, R317, R403, R501, R505, R517, R601, R605, R617, R701, R705, R717, R801, R804, R806 +9 |
| 16 | 100 pF | Capacitors_SMD:C_0402 | C309, C311, C312, C315, C509, C511, C512, C515, C609, C611, C612, C615, C709, C711, C712, C715 |
| 12 | 10 pF | Capacitors_SMD:C_0402 | C301, C302, C305, C501, C502, C505, C601, C602, C605, C701, C702, C705 |
| 11 | JMP | Resistors_SMD:R_0402 | R203, R304, R316, R504, R516, R604, R616, R704, R716, R803, R805 |
| 10 | L_Small | Resistors_SMD:R_0402 | L201, L202, L301, L304, L501, L504, L601, L604, L701, L704 |
| 9 | 10 uF | Capacitors_SMD:C_0603 | C203, C208, C212, C216, C217, C328, C528, C628, C728 |
| 8 | 51 | Resistors_SMD:R_0402 | R211, R212, R213, R214, R306, R506, R606, R706 |
| 8 | 6.8 uH BRL1608T6R8M | Resistors_SMD:R_0603 | L302, L303, L502, L503, L602, L603, L702, L703 |
| 7 | 1 uF | Capacitors_SMD:C_0402 | C202, C204, C205, C206, C207, C209, C218 |
| 6 | 22 | Resistors_SMD:R_0402 | R201, R202, R205, R206, R207, R209 |
| 5 | RF_Shield_Two_Pieces | Shielding_Cabinets:Laird_Technologies_BMI-S-209-F_29.36x18.50mm | J201, J301, J501, J601, J701 |
| 4 | 1 nF | Capacitors_SMD:C_0402 | C324, C524, C624, C724 |
| 4 | 100k | Resistors_SMD:R_0402 | R307, R507, R607, R707 |
| 4 | 120 pF | Capacitors_SMD:C_0402 | C310, C510, C610, C710 |
| 4 | 2.2 nF | Capacitors_SMD:C_0402 | C313, C513, C613, C713 |
| 4 | 30 | Resistors_SMD:R_0402 | R819, R820, R821, R822 |
| 4 | CONN_SMA_2GND | vna_footprints:SMA_901-10512_30MIL_OSHFR408_CPW_LAUNCH | U404, U405, U406, U407 |
| 4 | LTC5549 | vna_footprints:QFN_12_3mm2mm | U301, U501, U601, U701 |
| 4 | MOUNTING_HOLE | Mounting_Holes:MountingHole_2-7mm | H401, H402, H403, H404 |
| 4 | Transformer_SP_1S | vna_footprints:5LEAD_BALUN_4p83mm_3p3mm | T301, T501, T601, T701 |
| 4 | ad9864 | Housings_DFN_QFN:QFN-48-1EP_7x7mm_Pitch0.5mm | U302, U502, U602, U702 |
| 3 | 10k | Resistors_SMD:R_0402 | R802, R811, R812 |
| 3 | CONN_SMA | vna_footprints:732511150_sma_thin | U401, U402, U403 |
| 2 | CONN_01X01 | Pin_Headers:Pin_Header_Straight_1x01 | J403, J404 |
| 2 | CONN_02X10 | Connect:IDC_Header_Straight_20pins | J401, J402 |
| 2 | RED | LEDs:LED_0603 | D401, D402 |
| 1 | 18 | Resistors_SMD:R_0402 | R204 |
| 1 | 1800 pF | Capacitors_SMD:C_0402 | C211 |
| 1 | 22 uF | Capacitors_SMD:c_elec_10x10 | C402 |
| 1 | 390 pF | Capacitors_SMD:C_0402 | C213 |
| 1 | 6.8 uH | Resistors_SMD:R_0603 | L801 |
| 1 | 68 | Resistors_SMD:R_0402 | R208 |
| 1 | 68 nF | Capacitors_SMD:C_0402 | C214 |
| 1 | DNP | Capacitors_SMD:C_0402 | C210 |
| 1 | LED_Small | LEDs:LED_0603 | D201 |
| 1 | LMX2594 | Housings_DFN_QFN:QFN-40-1EP_6x6mm_Pitch0.5mm | U201 |
| 1 | NB3N551 | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U803 |
| 1 | TRF37B73 | Housings_DFN_QFN:DFN-8-1EP_2x2mm_Pitch0.5mm | U802 |
| 1 | TXCO | vna_footprints:crystal_FA238-TSX3225 | U801 |
| 1 | mounting_box | vna_footprints:snail | U408 |
The 310 most common of 721 parts.
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Questions
How big is the Vna demod PCB?
It measures 66.5 × 93.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Vna demod use?
721 parts, built around the LMX2594RHA and NB3N551D. 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 Vna demod KiCad files?
From the loxodes/vna repository on GitHub, at the commit this page was made from: the board is hardware/archive/vna_r0/vna_demod/vna_demod.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Vna demod design in my own project?
Its repository states no licence, so its author keeps all rights: ask loxodes before reusing the design.