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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-12-28 14:05:58 +0100 |
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| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-12-28 14:05:58 +0100 |
| commit | 6379e2e52f1d659a051e20af75f2b70676ec3bf4 (patch) | |
| tree | 0a44a344a061cb571cea5a6fcdfa115218cf3eaf /README.md | |
| parent | 8d45f098b818206d3d91152f92175cbea0b56c8e (diff) | |
| download | picardy-6379e2e52f1d659a051e20af75f2b70676ec3bf4.tar.gz picardy-6379e2e52f1d659a051e20af75f2b70676ec3bf4.tar.bz2 picardy-6379e2e52f1d659a051e20af75f2b70676ec3bf4.zip | |
Update README, notes and Qucs BPF145
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -55,11 +55,10 @@ Issues * 5V jumper is less useful as hoped * Intention: disable VHF stuff * Unintended effect: removes LCD backlight -* Are 10uH for L311 and L305 ok too? * C319 and C326 are redundant * BC856W wrong footprint * R327 upsets DC offset of audio amp, capacitive decoupling needed -* 2m filters from LimeRFE use values I don't stash +* 2m LPF from LimeRFE use values I don't stash * 20pF done with 2x 10pF * SW: ADC input for buttons looks messed up... * Connect 3V3 LDO to 12V directly @@ -76,6 +75,7 @@ Issues * Next to R515 * I still have spurious next to transmit frequency, spaced 200kHz because of the DCDC converter * Measure 8V current! +* Added 100nF caps on microphone connector to suppress RF being coupled PCB Assembly Plan ================= |