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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2023-02-25 11:17:24 +0100 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2023-02-25 11:17:24 +0100 |
| commit | 1be4803d9f1a20c61d9bccb7b724e3ee67e17670 (patch) | |
| tree | e8d8dba4590288bdc21ee68676cae2f8e6603141 /README-4m.md | |
| parent | 2240e0b6683bcb69b1f477f4449de9cc17314ccd (diff) | |
| download | picardy-1be4803d9f1a20c61d9bccb7b724e3ee67e17670.tar.gz picardy-1be4803d9f1a20c61d9bccb7b724e3ee67e17670.tar.bz2 picardy-1be4803d9f1a20c61d9bccb7b724e3ee67e17670.zip | |
Adapt README and schematic notes
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 |