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48 Commits

Author SHA1 Message Date
linuswck a8ac943190 Cleanup and Update Modification Date 2023-11-28 11:44:52 +08:00
linuswck e7a7eee202 sch, pcb: Remove X7R, X5R at input LT304x 
- Reduce the number of Tantalum Capacitor Used
- Replace some non critical ones with Electrolytic Caps
 2023-11-27 17:37:52 +08:00
linuswck 24637b4216 sch, pcb: Add alternate footprint for LTC6655 Vref 2023-11-27 17:37:52 +08:00
linuswck 0b99a8f119 sch, pcb: Correct MFR/PN and optimize BOM 2023-11-10 15:18:22 +08:00
linuswck cd679cf0da sch: Update Title Block Info 
- rev0.3 -> rev0_3
- Correct the title of each schematics
- Update the modified time
 2023-11-10 15:18:21 +08:00
linuswck 2a6ad78f51 pcb: Finish Layout for rev0_3 
- Assign MFR_PN for all Components
- schematics changes:
  - drivestage: Add Switch to optionally enable Modulation Signal Termination
  -             Add alternate Precision Power Resistor
  -             Modify the RC network values at TIA LPF Output
  - MCU: Add Redundant 2.54mm pitch Programming Header
  - thermostat: Duplicate the power filter network for alternate Temperature ADC
 2023-11-02 15:24:26 +08:00
linuswck 352f8c075d footprint: Add TL082Hx TI SOIC-8 footprint 2023-10-31 11:02:47 +08:00
linuswck 0c3c8a3fd1 sch: Update power related flags and nets symbols 
- Update the symbol from the kicad 7 built-in library
- Remove ERC warnings
 2023-10-31 10:29:43 +08:00
linuswck 929ff58706 sch: Set DNP for DNP components 2023-10-25 17:36:20 +08:00
linuswck 3a1dce0107 sch: Tune LD- Out Series RC Network 
- R98 3R3 -> 10R
- C192 100n PPS -> DNP
- Add C199 2n2 in parallel C192
 2023-10-25 17:36:20 +08:00
linuswck 1fad3bf64d sch: Tune the LD V-I Output Stage Feedback Network 
- R67 -> 0R
- C175 -> 100pF
 2023-10-25 17:36:20 +08:00
linuswck dfeb1ec6a8 sch: LD DAC add parallel Cap to output resistor 
- Increase the Mod_In Signal Bandwidth
- See Issue #22
 2023-10-25 17:36:20 +08:00
linuswck 2df59fbce9 sch: Use TL082 for PD_Mon TIA and LPF Stage 2023-10-25 17:36:20 +08:00
linuswck 8e5545f9c4 sch: R13 Power Resistor change to PDY10R000F 2023-10-12 12:43:03 +08:00
linuswck fcdabaee9c Mirgrate to kicad7 2023-10-12 12:26:04 +08:00
Alex Wong Tat Hang ad982265b2 improve relay power circuitry 2022-09-09 14:37:19 +08:00
Alex Wong Tat Hang 29cfbc9c4e finish v2 layout 2022-09-08 03:35:59 +08:00
Alex Wong Tat Hang facb6df2cf placement v2 2022-09-04 23:06:16 +08:00
Alex Wong Tat Hang 82f609d00a sync 2022-08-31 21:11:43 +08:00
Alex Wong Tat Hang 9a156f9e73 v2 schematics, fp assignment 2022-08-25 15:33:17 +08:00
TopQuark12 98d14f6305 change LD shorting circuit 2022-08-22 13:14:02 +08:00
Alex Wong Tat Hang 8d0d1c40e2 change diodes 2022-08-20 23:22:43 +08:00
Alex Wong Tat Hang 583755c3ac change PD LD circuit 2022-08-20 22:38:59 +08:00
Alex Wong Tat Hang 85c83eedf2 change damper 2022-08-20 18:28:01 +08:00
Alex Wong Tat Hang 67b02dec21 add gate pull down 2022-08-19 11:06:13 +08:00
Alex Wong Tat Hang 6d5f9d510b compensation 2022-08-19 08:08:48 +08:00
Alex Wong Tat Hang 9d23481ea9 fixes 2022-08-18 19:18:25 +08:00
TopQuark12 65667ce44f v 0.2 schematics 2022-08-18 15:47:33 +08:00
Alex Wong Tat Hang 5227b8738b add V01 production files, bug fixes 2022-08-05 05:04:05 +08:00
Alex Wong Tat Hang ea71003c8b more routing 2022-07-06 22:24:28 +08:00
Alex Wong Tat Hang beab99681b complete placement 2022-07-05 19:35:37 +08:00
Alex Wong Tat Hang 5063de718f add bom, finish rough placement 2022-07-05 00:50:06 +08:00
TopQuark12 1860500f11 rough placement 2022-07-04 18:39:52 +08:00
TopQuark12 34240531a6 Complete BOM, FP assignment 2022-07-04 16:41:18 +08:00
Alex Wong Tat Hang 723f7c95f6 first draft complete 2022-07-04 09:33:43 +08:00
Alex Wong Tat Hang e00406075f complete mcu 2022-07-04 01:04:13 +08:00
Alex Wong Tat Hang fc0da9274b add MCU basic connections 2022-07-03 21:37:28 +08:00
Alex Wong Tat Hang 0007697662 add USB 2022-07-03 20:27:09 +08:00
Alex Wong Tat Hang 1985bd7b06 add ethernet 2022-07-02 23:44:50 +08:00
Alex Wong Tat Hang 674219b7e3 add PoE 2022-07-02 19:26:18 +08:00
topquark12 a1eddb8c80 before beer 2022-06-16 18:05:40 +08:00
topquark12 50615823ab polish 2022-06-15 16:36:01 +08:00
topquark12 8b544c5ad2 add TEC V sense, filter TEC I sense 2022-06-15 16:16:47 +08:00
topquark12 61f959ba65 remove ref dac sheet, finish thermostat 2022-06-15 15:47:20 +08:00
topquark12 62aa83ac6b finish drive stage, add sheets 2022-06-14 16:07:26 +08:00
topquark12 3a1c33987e add ref dac 2022-06-13 20:06:17 +08:00
topquark12 5d6b1d94df minor improvements 2022-06-13 17:42:50 +08:00
topquark12 2d1d72462a add driver stage sch 2022-06-13 17:31:04 +08:00