[IMP] hardware: Move v1 hardware into its folder for posterity
by
t3ddftw
2 years 1 month
[IMP] hardware: v1.7
* Replace unavailable components
* FT232RL -> FT231X
* 25LC1024 -> AT25M01
* XC6710 -> S-1212BC0-M5T1U
by
t3ddftw
2 years 8 months
[IMP] hardware: 1.6
* Swap out DMP32D4S for SOT-323 DMP32D4SW
by
t3ddftw
3 years 1 month
[IMP] hardware: v1.6 Updates
* Rewire BC127 UART
* Configure BC127 power supply for fixed voltage
* Add circuit for 5ms delay to VREG_EN pin of BC127
by
t3ddftw
3 years 4 months
[IMP] hardware: v1.5 Updates
* Replace ETQ-P4M100KFN 10uH inductor with MPL-SE5040
* Remove 100nF cap from 5v vreg output
* Renumber Capacitors
* Add 22uF caps to 3v3 vreg input and output for better transient response
by
t3ddftw
3 years 4 months
[IMP] hardware: v1.6: Minor updates
* Re-add 10k resistors to BC127 UART lines
* Minor rewiring work around the TMUX154
by
t3ddftw
3 years 4 months
[IMP] hardware: v1.1.6
* Re-wire BC127 power input for use with fixed regulated voltage, rather than battery power
by
t3ddftw
3 years 5 months
[IMP] hardware: Minor v1.5 updates
* Change C35 to 1206 footprint to support GRM31CR61E476ME44L
* Minor wiring changes
by
t3ddftw
3 years 5 months
[IMP] hardware: v1.5 Minor Updates
* Update part numbers for several components
* Update Silkscreen
by
t3ddftw
3 years 6 months
[IMP] hardware: v1.5 High Voltage improvements
* Remove XRP6759
* Remove Old Tantalum C1
* Remove V1
* Remove L1
* Add common mode choke at input (L1) to filter out A/C
* Add new Aluminum Polymer input Capacitor rated for 35v (40v transcients) (C1)
* Add MPQ4420 wide input voltage switching regulator for 12v -> 5v regulation
* Add XC6702 to protect Q2 from trancients and provide a constant voltage to TEL ON and Microphone power
* Power Microphone through 12v rail
* Rewire 3.3v net
* Rewire 5v net
* Fix decoupling cap positioning for PIC24
* Fix decoupling cap positioning for FT232RL
by
t3ddftw
3 years 7 months
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