YATMA2 transistor matcher
About the YATMA2 transistor matcher PCB
YATMA2 transistor matcher is an open source PCB design by elektrouwe, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 49.5 × 49.5 mm, with 19 components from 15 distinct parts.
Other key parts include the 74HC125 and LM358. By type, the board carries 9 resistors, 4 connectors, 4 capacitors and 2 ICs.
From the project
Yet Another Transitor MAtcher
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read this thread for more information : https://www.muffwiggler.com/forum/viewtopic.php?f=17&t=153845
here you can find KICAD and fabrication files
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Main components on the YATMA2 transistor matcher
YATMA2 transistor matcher bill of materials (BOM)
19 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC125 | DIP-14_W7.62mm_Socket_LongPads | U1 |
| 1 | LM358 | DIP-8_W7.62mm_Socket_LongPads | U2 |
| 1 | USB_B | USB_B_Horizontal | J1 |
| 1 | OUT | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 2 | DUT1 | PinHeader_1x03_P2.54mm_Vertical | J3, J4 |
| 2 | 100n | C_Disc_D7.5mm_W5.0mm_P5.00mm | C1, C3 |
| 1 | 1n | C_Disc_D7.5mm_W5.0mm_P5.00mm | C2 |
| 1 | 100u | CP_Radial_D10.0mm_P5.00mm | C4 |
| 1 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 3 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R4, R6 |
| 1 | opt | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9 |
YATMA2 transistor matcher design files
The KiCad project lives in the elektrouwe/YATMA repository on GitHub; these links point at the commit this page was built from.
- Layoutyatma2/yatma2.kicad_pcb
YATMA2 transistor matcher: common questions
How big is the YATMA2 transistor matcher PCB?
The YATMA2 transistor matcher measures 49.5 × 49.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the YATMA2 transistor matcher?
19 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the YATMA2 transistor matcher design files?
From the elektrouwe/YATMA repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the YATMA2 transistor matcher design in my own project?
Yes, under the terms of its CC0-1.0 license, which elektrouwe chose for the repository.
