Baluns
About the Baluns PCB
Baluns is an open source PCB design by greatscottgadgets, published on GitHub under the GPL-2.0 license. It is a 4-layer board measuring 23 × 81 mm, with 92 components from 27 distinct parts.
By type, the board carries 33 resistors, 24 capacitors, 16 connectors, 13 inductors, 4 transistors and 1 transformer.
From the project
miscellaneous Great Scott Gadgets projects
Baluns bill of materials (BOM)
92 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | BFR840L3RHESDE6327XTSA1 BFR840 Infineon | TSLP-3-9 | Q15, Q17 |
| 2 | LP0404N3T5G Q_PMOS_GSD LRC | TSLP-3-9 | Q16, Q18 |
| 11 | CONN_COAXIAL | SMA_MyAntenna_A-SMA-KE-16.5A_EdgeMount | J1, J2, J3, J4, J5, J6, J7, J8 +3 |
| 5 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | P1, P2, P3, P4, P5 |
| 1 | B0310J50100AHF RF_BALUN TTM | Anaren_0805_2012Metric-6 | T2 |
| 1 | PMEG4010ESBYL Schottky Nexperia | TSLP-2-19 | D10 |
| 1 | DNP | L_0201_0603Metric | L1 |
| 4 | MLZ2012N101LT000 100uH TDK | L_TDK_MLZ2012_h1.25mm | L2, L5, L7, L29 |
| 4 | LQP03TN56NJ02D 56 nH Murata | L_0201_0603Metric | L3, L6, L8, L30 |
| 1 | LQP03TN2N4C02D 2.4 nH Murata | L_0201_0603Metric | L4 |
| 1 | LQW18AN62NJ00D 62nH Murata | L_0603_1608Metric | L13 |
| 1 | LSQEA251818T470M 47uH Taiyo Yuden | L_Taiyo-Yuden_A251818 | L19 |
| 1 | LQP03TN33NJ02D 33 nH Murata | L_0201_0603Metric | L20 |
| 19 | GRM033R61A105ME44D 1 uF Murata | C_0201_0603Metric | C1, C2, C5, C6, C25, C28, C41, C42 +11 |
| 3 | GRM0335C1H8R2CA01D 8p2 Murata | C_0201_0603Metric | C3, C112, C203 |
| 2 | GRM033R71A222KA01D 2.2nF Murata | C_0201_0603Metric | C4, C202 |
| 2 | RC0201JR-0733KL 33k Yageo | R_0201_0603Metric | R1, R154 |
| 8 | RC0201JR-070RL 0 Yageo | R_0201_0603Metric | R2, R142, R143, R144, R162, R163, R171, R172 |
| 2 | RC0201JR-0751RL 51 Yageo | R_0201_0603Metric | R3, R160 |
| 7 | RC0201JR-07100RL 100 Yageo | R_0201_0603Metric | R4, R147, R155, R158, R159, R166, R168 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | RC0201JR-0710RL 10 Yageo | R_0201_0603Metric | R5, R161, R169, R170 |
| 4 | RC0201JR-07220RL 220 Yageo | R_0201_0603Metric | R12, R35, R156, R173 |
| 1 | RC0201JR-07330RL 330 Yageo | R_0201_0603Metric | R152 |
| 2 | RC0201FR-07120RL 120 Yageo | R_0201_0603Metric | R153, R165 |
| 1 | RC0201JR-07750RL 750 Yageo | R_0201_0603Metric | R157 |
| 1 | RC0201FR-073K3L 3.3k Yageo | R_0201_0603Metric | R164 |
| 1 | RC0201FR-074K7L 4k7 Yageo | R_0201_0603Metric | R167 |
Baluns design files
The KiCad project lives in the greatscottgadgets/misc repository on GitHub; these links point at the commit this page was built from.
Baluns: common questions
How big is the Baluns PCB?
The Baluns measures 23 × 81 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Baluns?
92 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the Baluns design files?
From the greatscottgadgets/misc repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Baluns design in my own project?
Yes, under the terms of its GPL-2.0 license, which greatscottgadgets chose for the repository.
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