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Std edition Balun (SMD, ENCLOSURE)

Profile:SDR expansion device

License: MIT

Project source: Cloned from RF power limiter (SMD, ENCLOSURE)

Published Time: 2021-03-23 19:08:05
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Description
EasyEDA project for easy and quick build "Balun" module used to convert a balanced signal to a unbalanced and match the impedances. Project includes schematic and PCB prepared for setting up into aluminum enclosure with dimensions 50 x 25 x 25 mm with SMA connectors. Version for mounting SMD components. ## Current development progress: [![Progress](https://img.shields.io/badge/Balun%20%28SMD,%20ENCLOSURE%29-tested-green.svg)](https://github.com/IgrikXD/Easy-SDR) [![Progress](https://img.shields.io/badge/version-1.0.EE-blue.svg)](https://github.com/IgrikXD/Easy-SDR) [![Bug report](https://img.shields.io/badge/Google%20Form-Create%20bug%20report-red.svg)](https://docs.google.com/forms/d/e/1FAIpQLSeUFM1p15N_vk8X_blSnZp6jPlZe_qRhiRlmntscx6jF2yRqw/viewform?usp=sf_link) **Frequency range table:** | Transformer: | TC1-6+ | TC2-1T+ | TC4-1T+ | TC8-1+ | TC9-1+ | TC16-161T+ | | ----------------- | -------------- | ----------- | ------------- | ----------- | ------------| ------------- | | Frequency range: | 0.15 - 350 MHz | 3 - 300 MHz | 0.5 - 300 MHz | 2 - 500 MHz | 2 - 200 MHz | 0.6 - 160 MHz | **Impedance ratio table:** | Transformer: | TC1-6+ | TC2-1T+ | TC4-1T+ | TC8-1+ | TC9-1+ | TC16-161T+ | | ----------------- | ------ | ------- | ------- | ------ | ------ | ---------- | | Impedance ratio: | 1 | 2 | 4 | 8 | 9 | 16 | **Maximum RF power:** 0.25 W; **RF connector:** SMA; **Feed line:** 50 Ohm coaxial cable; **Used PCB Material:** FR-4; **PCB thickness:** 1.6 mm; **PCB copper weight:** 1 oz; [EasySDR project page at GitHub][1] Buy SDR receiver: [RTL-SDR.COM][2] Buy TC1-6+ Transformer: [Mini-Circuits TC1-6+][3] Buy TC2-1T+ Transformer: [Mini-Circuits TC2-1T+][4] Buy TC4-1T+ Transformer: [Mini-Circuits TC4-1T+][5] Buy TC8-1+ Transformer: [Mini-Circuits TC8-1+][6] Buy TC9-1+ Transformer: [Mini-Circuits TC9-1+][7] Buy TC16-161T+ Transformer: [Mini-Circuits TC16-161T+][8] [Order PCB manufacturing using PCBWay service][9] ## How to contact me? - E-mail: igor.nikolaevich.96@gmail.com - Telegram: https://t.me/igrikxd - LinkedIn: https://www.linkedin.com/in/igor-yatsevich/ [1]: https://github.com/IgrikXD/Easy-SDR [2]: https://www.rtl-sdr.com/shop/ [3]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC1-6%2B [4]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC2-1T%2B [5]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC4-1T%2B [6]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC8-1%2B [7]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC9-1%2B [8]: https://www.minicircuits.com/WebStore/dashboard.html?model=TC16-161T%2B [9]: https://www.pcbway.com/QuickOrderOnline.aspx
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
1 0R R1(DNI) 0805 1 RTT051000FTP LCSC RALEC C103902
2 SMA RF OUT J1 SMA-TH 1 KH-SMA-KWE17-G LCSC Shenzhen Kinghelm Elec C530662
3 BALANCED IN J2 CONN-TH_2P-P5.08_XY2500R-D5.08-2P 1 XY2500R-D-5.08-2P LCSC Ningbo Xinlaiya Elec. C505824
4 PESD0603-240 D1 0603 1 PESD0603-240 LCSC TE Connectivity C10659
5 TC9-1+ U1 AT224-1A 1 TC9-1+ Mini-Circuits Mini-Circuits TC9-1+

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