diff options
Diffstat (limited to 'README-4m.md')
| -rw-r--r-- | README-4m.md | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/README-4m.md b/README-4m.md index 7723748..9b37d7a 100644 --- a/README-4m.md +++ b/README-4m.md @@ -30,8 +30,22 @@ Transmit gain: * Ordered: * Adafruit 292 and 181 +## Board bringup +1. LDOs and VRX VTX switching +2. STM32F103 +3. Si5153 + * Frequencies +4. Sort crystals for filter +5. Antenna switch +6. RX path +7. TX path + ## TODO +* Firmware: + * Adapt clk settings for 11MHz IF + * Handle VOX PTT + * Implement CW macros * Add silkscreen info for headers, pinouts and testpoints * Clearance for ethernet magnetics * Placement and clearance for front connectors @@ -43,7 +57,7 @@ Transmit gain: * https://www.changpuak.ch/electronics/calc_16a.php * http://land-boards.com/blwiki/index.php?title=Kits_and_Parts_Mixers -SPK click: +SPK click: LM386 was wired as 46dB gain on Picardy 2020 LM4865 (20dB gain) + gain stage |