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32 Commits

Author SHA1 Message Date
linuswck 08133e5e95 sch, pcb: Add TAN Caps to all LT304x SET Pin 
- Prevent noise due to microphonics to be amplified by internal Amp
- Remove the input TAN Caps as LT304x PSRR is very good
- Replace TAN Caps in the 12V input side to be ELEC Cap
    - Save cost
 2023-11-29 15:06:26 +08:00
linuswck 13720b3ccc Reassign Reference Designators for all Symbols 2023-11-29 10:47:38 +08:00
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 2cbab29c4e sch, pcb: Add LEDs and TPs to Critical Power Rails 2023-11-27 17:37:52 +08:00
linuswck b901f84d0a sch, pcb: Add PWR, POE_PWR netclasses 2023-11-21 11:46:46 +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 5ad5914748 sch, pcb: exclude MHs and soldering JP from BOM 2023-11-09 15:24:07 +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 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 89dab2b553 sch: Change PoE RJ45 Jack and change PM1202 Symbol 
- Use the same PoE RJ45 as sinara-hw thermostat
- Add PM1202 Power input pins (VB+, VB-)
- Remove PoE softstart circuit as PM1202 has inrush current limiting
- Add Pi Filter at the output of PM1202
 2023-10-27 15:33:39 +08:00
linuswck 01d0e1d45b sch: Modify dsupply freq_comp network 
- See Issue #21
 2023-10-25 17:36:20 +08:00
linuswck 3ba3ef159e sch: Add soft start to 12V PWR Jack input 2023-10-25 17:36:14 +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 82f609d00a sync 2022-08-31 21:11:43 +08:00
Alex Wong Tat Hang 97a0bc6a32 import sch to pcb 2022-08-25 16:03:20 +08:00
Alex Wong Tat Hang 9a156f9e73 v2 schematics, fp assignment 2022-08-25 15:33:17 +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
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
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 ed73a021b5 complete digital supply 2022-07-02 21:03:01 +08:00
Alex Wong Tat Hang 674219b7e3 add PoE 2022-07-02 19:26:18 +08:00