Pm6V
About the Pm6V PCB
Pm6V is an open source PCB design by scular-HCC, published on GitHub under the Custom license license. It is a 2-layer board measuring 160 × 100 mm, with 64 components from 31 distinct parts.
Other key parts include the LM4051AIM3-ADJ/NOPB. By type, the board carries 22 resistors, 20 capacitors, 8 transistors, 5 diodes, 2 ICs and 2 connectors.
It belongs with the test & measurement designs in this gallery.
From the project
Dual laster Pound-Dreaver-Hall driver setup. 1550 nm DFBs. Q=10^-5. Less than 20 GHz difference
A precision two-channel controller for 1550 nm DFB butterfly lasers — a differential optical thermometer built as a 3U Eurocard instrument.
Each channel provides low-noise constant-current laser drive, a bipolar linear TEC temperature controller, RF frequency modulation, and a synchronous-demodulation Pound–Drever–Hall lock that holds the laser to the side of an optical resonance. Lasers A and B lock to their own fringe of a shared reference cavity; the beat frequency between them, Δν = S·(TB − TA) with S ≈ 2 GHz/K, is a ratiometric measurement in which slow common-mode drift cancels.
Main components on the Pm6V
Pm6V bill of materials (BOM)
64 components, 31 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | LM4051AIM3-ADJ/NOPB Texas Instruments | SOT-23_Handsoldering | U11, U12 |
| 1 | IRF540ZPBF Infineon | TO-220-3_Vertical | Q3 |
| 1 | IRF9540NPBF Infineon | TO-220-3_Vertical | Q4 |
| 1 | MMBT2907A-TP MMBT2907 MCC | SOT-23_Handsoldering | Q5 |
| 1 | MMBT2222ALT1G MMBT2222 onsemi | SOT-23_Handsoldering | Q6 |
| 2 | MJL21193G Q_PNP_MJL21193 onsemi | TO-264-3_Vertical_HS657-10ABPE | Q7, Q8 |
| 2 | MJL21194G Q_NPN MJL21194 onsemi | TO-264-3_Vertical_HS657-10ABPE | Q9, Q10 |
| 1 | 1729131 Screw_Terminal_01x03 Phoenix Contact | TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J4 |
| 1 | DIN41612_03x32_C_Split | DIN41612_C_3x32_Male_Horizontal_THT | J6 |
| 2 | 1N4148W-7-F 1N4148 Diodes Incorporated | D_SOD-123 | D_CP1, D_CP2 |
| 1 | 6223BG Heatsink Boyd 6223BG (GBPC) Boyd | Bridge_GBPC_Heatsink_Boyd_6223BG | HS1 |
| 2 | 531102B02500G Heatsink Boyd 531102B02500G Boyd | Heatsink_AAVID_Extruded_531102B02500G_34.9x12.7mm_H38.1mm | HS2, HS3 |
| 1 | GBPC1510W Surge Components | Diode_Bridge_28.6x28.6x7.3mm_P18.0mm_P11.6mm | D7 |
| 2 | 1N4742ATR 1N4742A onsemi | D_DO-41_SOD81_P10.16mm_Horizontal | D8, D9 |
| 2 | 1N4148W-7-F 1N4148W Diodes Incorporated | D_SOD-123 | D10, D11 |
| 6 | UHE1E332MHD 3300uF (UPW1E332MHD) Nichicon | CP_Radial_D16.0mm_P7.50mm | C34, C35, C36, C37, C38, C39 |
| 4 | UHE1E102MPD 1000uF 25V Nichicon | CP_Radial_D12.5mm_P5.00mm | C40, C41, C48, C49 |
| 2 | CL21B474KBFNNNE 470nF Samsung | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C42, C43 |
| 4 | CL21B225KBYNNWE 2.2 uF Samsung | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C44, C45, C52, C53 |
| 2 | UVZ1H222MHD 2200uF 35V Nichicon | CP_Radial_D18.0mm_P7.50mm | C46, C47 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | UHE1E102MPD 1000 uF C_out+ Nichicon | CP_Radial_D12.5mm_P5.00mm | C50 |
| 1 | UHE1E102MPD 1000 uF C_out- Nichicon | CP_Radial_D12.5mm_P5.00mm | C51 |
| 2 | TUW15J15RE 15R Ohmite | R_Axial_Power_L38.0mm_W9.0mm_P45.72mm | R20, R21 |
| 2 | RC0805FR-07100KL 100k YAGEO | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R22, R23 |
| 2 | ERJ-6ENF6042V 60.4k Panasonic | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24, R31 |
| 2 | RC0805FR-0715KL 15k YAGEO | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25, R30 |
| 2 | RC0805FR-071ML 1M YAGEO | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R26, R27 |
| 2 | RC0805FR-071K5L 1.5k Bias YAGEO | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R28, R29 |
| 4 | WSL2512R1000FEA 0.1R Vishay Dale | R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R34, R35, R36, R37 |
| 2 | CRCW08051K00FKEA 1k bleed resistor Vishay Dale | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R38, R39 |
| 4 | RC0805FR-0710RL 10R base-stopper YAGEO | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R40, R41, R42, R43 |
Pm6V design files
The KiCad project lives in the scular-HCC/DualLaserPDHDriver repository on GitHub; these links point at the commit this page was built from.
Pm6V: common questions
How big is the Pm6V PCB?
The Pm6V measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Pm6V?
64 components, from 31 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Pm6V design files?
From the scular-HCC/DualLaserPDHDriver repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Pm6V design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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