4 layers130 × 105 mm
Vm101-inout
mirdej/vmix
Multichannel modular analog PAL video mixer based on the SYNKIE project
238 parts21
2 layers
Stade1
mirdej/vmix21Multichannel modular analog PAL video mixer based on the SYNKIE project
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 61
- Nets
- 45
- Pads
- 177
- Tracks, vias
- 236, 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Aug 2020
- Updated
- 5 Dec 2024
Overview
Stade1 is an open-source printed circuit board by mirdej, from the mirdej/vmix repository on GitHub. It is a 2-layer board with 61 parts on 45 nets, routed with 236 tracks and 2 vias.
It is built around the LMH6643MM, LM311 and MAX4053CEE+, with the BC847 among its other parts. Its parts include 19 resistors, 13 capacitors, 8 connectors, 5 ICs and 3 inductors.
Main components
4
LMH6643MM
VSSOP-8-40℃~+85℃ 1.5uA 130MHz 130V/us 145mA 17nV/√Hz@100kHz 2 2.7V~12.8V 2.7mA 20nA 3.4mV 5uV/℃ 95dB Rail-to-rail output VSSOP-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
LM311
SOP-80℃~+70℃ 1 1.7nA 2.4mA 200ns 2mV 36V 45nA 5V~30V TTL、CMOS ±15V SOP-8 Comparators ROHSGcoreComparators
MAX4053CEE+
QSOP-16-150mil-8V~-2.7V、2.7V~16V、2.7V~8V 0℃~+70℃ 100Ω 2:1 3 40ns 50ns 8pF QSOP-16-150mil Analog Switches, Multiplexers ROHSMaxim Integrated (Analog Devices)Analog Switches / Multiplexers
BC847
SOT-231 NPN 100MHz 100mA 100nA 110 200mW 45V 500mV 6V NPN SOT-23 Bipolar (BJT) ROHSShikuesBipolar (BJT)
README
README.mdANYMIX 21
Multichannel modular analog PAL video mixer based on the SYNKIE project
The Anymix21 is a 12 channel analog video mixer based on the paradigm of classic audio mixing desks.
Each channel is a complete SYNKIE by itself, sort of. It can handle anything from DC to around 10Mhz, this means you can mix CV signals with audio with PAL composite video signals. Contrary to an audio mixer, inputs are DC coupled, with 0v being black and 0.7V white level. Negative levels are permitted but will be clipped at the final output stage.
Each channel has a built-in equaliser, switchable edges (bandpass), comparator and inverter effects, and a scale-bias module for adjusting brightness and contrast. The signal can then be routed to 3 main output mix busses and an auxiliary output.
Apart from the equalizer, the effects and mix levels are digitally controlled analog, so parameters can be recorded, automated, or controlled externally through MIDI. The desk can be synchronized to a MIDI clock (which is then quantized to the vertical blanking interval derived from the genlock input).
Still under construction, the first 6 channels have passed their endurance test running daily for weeks at the exhibiton “H.o.Me. – Heim für obsolete Medien” at Kunsthaus Langenthal.
Documentation
- Architecture Overview
- Mixer Channel: Flowchart and description
- Master Section: Flowchart and description
Links
Parts
61| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 100n | synkie_footprints:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1, C2, C3, C4, C8, C9, C10, C11, C12, C13 |
| 6 | 1k | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R12, R13, R14, R15, R18, R19 |
| 4 | 1k5 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R5, R6, R7 |
| 3 | 2k5 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3, R8, R9 |
| 3 | 500 | synkie_footprints:Potentiometer_Bourns_3296Y_Vertical | RV2, RV3, RV6 |
| 3 | Ferrite_Bead | synkie_footprints:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | FB1, FB2, FB3 |
| 3 | LMH6643 | synkie_footprints:SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U3 |
| 3 | R_POT | synkie_footprints:Potentiometer_Alps_RK09K_Single_Horizontal | RV1, RV4, RV5 |
| 2 | 100 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2 |
| 2 | 2k2 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R16, R17 |
| 1 | 1.19uH | synkie_footprints:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L3 |
| 1 | 1k6 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R11 |
| 1 | 1n | synkie_footprints:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C7 |
| 1 | 300uH | synkie_footprints:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L2 |
| 1 | 314.4n | synkie_footprints:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C6 |
| 1 | 6k8 | synkie_footprints:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R10 |
| 1 | BC847 | Package_TO_SOT_SMD:SOT-23 | Q2 |
| 1 | C | synkie_footprints:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C5 |
| 1 | CLIPPER_OUT | synkie_footprints:Solderpad_1mm | J4 |
| 1 | COMPA-DROP | synkie_footprints:Solderpad_1mm | J7 |
| 1 | Conn_01x03 | synkie_footprints:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J8 |
| 1 | Conn_01x10 | synkie_footprints:IDC-Header_2x05_P2.54mm_Vertical | J6 |
| 1 | EQ_IN | synkie_footprints:Solderpad_1mm | J1 |
| 1 | HIGH_CLIP | synkie_footprints:PinHeader_1x02_P2.54mm_Vertical | SW1 |
| 1 | INVERTER-DROP | synkie_footprints:Solderpad_1mm | J5 |
| 1 | L | synkie_footprints:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L1 |
| 1 | LM311 | synkie_footprints:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | LOW_CLIP | synkie_footprints:PinHeader_1x02_P2.54mm_Vertical | SW2 |
| 1 | MAX4053 | Package_SO:SOP-16_4.55x10.3mm_P1.27mm | U6 |
| 1 | Q_PNP_BCE | synkie_footprints:SOT-23 | Q1 |
| 1 | SCABI_IN | synkie_footprints:Solderpad_1mm | J2 |
| 1 | SCABI_OUT | synkie_footprints:Solderpad_1mm | J3 |
Questions
What parts does the Stade1 use?
61 parts, built around the LMH6643MM, LM311, MAX4053CEE+ and BC847. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Stade1 KiCad files?
From the mirdej/vmix repository on GitHub, at the commit this page was made from: the board is old/vm003-eq/stade1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stade1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask mirdej before reusing the design.
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