MiniSynth
About the MiniSynth PCB
MiniSynth is an open source PCB design by marcusmueller, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 50 × 40 mm, with 75 components from 33 distinct parts.
Other key parts include the LP5907MFX-3.3, MAX287x and 74LVC1G3157. By type, the board carries 37 capacitors, 22 resistors, 5 connectors, 3 ICs, 3 diodes and 2 transformers.
From the project
A small, MAX2870-based synthesizer with integrated oscillator or selectable external reference clock input.
A small, MAX2870-based synthesizer with integrated oscillator or selectable external reference clock input.
Maxim MAX2870: Fractional-N Synthesizer Anaren B0430J50100AHF: Wideband Balun to convert MAX2870's differential output(s) to single-ended FOX924B: 16 MHz Oscillator The tears of a million coffee beans
Main components on the MiniSynth
MiniSynth bill of materials (BOM)
75 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LP5907MFX-3.3 | SOT-23-5 | U1 |
| 1 | MAX287x | QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm_ThermalVias | U2 |
| 1 | 74LVC1G3157 | SOT-23-6 | U3 |
| 1 | DTC114Y | SOT-416 | Q1 |
| 1 | FOX924B-16 MHz | Oscillator_SMD_Fordahl_DFAS15-4Pin_5.0x3.2mm | X1 |
| 1 | PWR | TerminalBlock_Altech_AK300-2_P5.00mm | J1 |
| 1 | CTRL | Multicomp_MC9A12-1634_2x08_P2.54mm_Vertical | J2 |
| 2 | SMA6251A1-3GT50G-50 | SMA_Amphenol_132134-16_Vertical | J3, J4 |
| 1 | ext_clock | SMA_Amphenol_132134-16_Vertical | J5 |
| 1 | EN_TCXO | PinHeader_1x02_P2.54mm_Vertical | JP4 |
| 2 | Mini-Balun | B0430J50100AHF | T1, T2 |
| 1 | POWER | LED_0805_2012Metric_Castellated | D1 |
| 1 | LOCK | LED_0805_2012Metric_Castellated | D2 |
| 1 | TCXO | LED_0805_2012Metric_Castellated | D3 |
| 2 | 1u | C_0603_1608Metric | C1, C5 |
| 10 | 10p | C_0603_1608Metric | C2, C4, C8, C12, C13, C16, C17, C20 +2 |
| 11 | 100n | C_0603_1608Metric | C3, C6, C9, C14, C15, C18, C19, C21 +3 |
| 2 | 10n | C_0603_1608Metric | C7, C24 |
| 2 | 10p | C_0402_1005Metric | C10, C11 |
| 8 | 150p | C_0402_1005Metric | C27, C28, C29, C30, C31, C32, C33, C34 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 820p | C_0603_1608Metric | C35 |
| 1 | 12n | C_0603_1608Metric | C37 |
| 1 | 180 | R_0603_1608Metric | R1 |
| 1 | 5k1 | R_0603_1608Metric | R2 |
| 5 | 68 | R_0603_1608Metric | R3, R4, R5, R6, R7 |
| 1 | 47k | R_0603_1608Metric | R8 |
| 3 | 100 | R_0603_1608Metric | R9, R11, R14 |
| 1 | 24 | R_0603_1608Metric | R10 |
| 3 | 10k | R_0603_1608Metric | R12, R13, R15 |
| 4 | 49R9 | R_0402_1005Metric | R16, R17, R18, R19 |
| 1 | 240 | R_0603_1608Metric | R20 |
| 1 | 30.1 | R_0603_1608Metric | R21 |
| 1 | 91 | R_0603_1608Metric | R22 |
MiniSynth design files
The KiCad project lives in the marcusmueller/MiniSynth repository on GitHub; these links point at the commit this page was built from.
- LayoutMiniSynth.kicad_pcb
MiniSynth: common questions
How big is the MiniSynth PCB?
The MiniSynth measures 50 × 40 mm, has 2 copper layers and is 0.8 mm thick.
How many components are on the MiniSynth?
75 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the MiniSynth design files?
From the marcusmueller/MiniSynth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the MiniSynth design in my own project?
Yes, under the terms of its CERN-OHL-1.2 license, which marcusmueller chose for the repository.