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Diode-Bridge Voltage-Controlled Attenuator
Public Unreviewedby John Lauer
Two-layer through-hole audio attenuator: four 1N4148s as a current-biased shunt bridge, 0 to 2 V control, designed by Saif Abdessayed with Adom Hydrogen
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John Lauer
Saif Abdessayed's diode-bridge VCA: KiCad project, Gerbers, BOM, simulations, reports, and the earlier RC filter test
45f3ff6
11d ago
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{
"_hint": "Run kicad_run_drc first; never ship Gerbers from a board with DRC errors.",
"_timeoutHint": "ab waits up to 210s for this verb before the request times out. If it's a long operation (cloud open / download / export), DON'T treat a timeout as failure — the work usually keeps running on the bridge. Poll `kicad_status` until it reports done.",
"bridgeVersion": "1.0.53",
"cliElapsedMs": 2695,
"cliVersion": "10.0.6",
"data": {
"bytes": 234932,
"files": [
"diode-vca-attenuator-User_Eco2.gbr",
"diode-vca-attenuator-B_Fab.gbr",
"diode-vca-attenuator-B_Mask.gbs",
"diode-vca-attenuator-User_Eco1.gbr",
"diode-vca-attenuator-B_Adhesive.gba",
"diode-vca-attenuator-Edge_Cuts.gm1",
"diode-vca-attenuator.drl",
"diode-vca-attenuator-F_Fab.gbr",
"diode-vca-attenuator-F_Cu.gtl",
"diode-vca-attenuator-B_Cu.gbl",
"diode-vca-attenuator-F_Adhesive.gta",
"diode-vca-attenuator-User_Comments.gbr",
"diode-vca-attenuator-User_Drawings.gbr",
"diode-vca-attenuator-B_Courtyard.gbr",
"diode-vca-attenuator-Margin.gbr",
"diode-vca-attenuator-F_Silkscreen.gto",
"diode-vca-attenuator-F_Courtyard.gbr",
"diode-vca-attenuator-drl_map.pdf",
"diode-vca-attenuator-B_Silkscreen.gbo",
"diode-vca-attenuator-job.gbrjob",
"diode-vca-attenuator-B_Paste.gbp",
"diode-vca-attenuator-F_Paste.gtp",
"drill-report.txt",
"diode-vca-attenuator-F_Mask.gts"
],
"output_path": "//wsl.localhost/Adom-Workspace/home/adom/project/diode-vca-attenuator/manufacturing/gerbers"
},
"durationMs": 3833,
"elapsedMs": 3044,
"error": "",
"mechanism": "cli",
"output": "Gerber exported to //wsl.localhost/Adom-Workspace/home/adom/project/diode-vca-attenuator/manufacturing/gerbers (24 file(s))",
"path": "//wsl.localhost/Adom-Workspace/home/adom/project/diode-vca-attenuator/diode-vca-attenuator.kicad_pcb",
"progress": {
"confidence": "measured",
"elapsedSec": 3.0,
"estimatedSec": 3.0,
"etaSec": 0.0,
"measured": {
"phase": "kicad.export",
"seconds": 3.01,
"startKind": "cold"
},
"percent": 100,
"phase": "kicad.export",
"startKind": "cold",
"stepLabel": "done"
},
"schemaVersion": 1,
"status": "ok",
"statusVerb": "kicad_status",
"success": true,
"timeoutSeconds": 210
}