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178ba7bee0
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Clear DMA chaining before abort
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2024-07-23 20:30:54 +02:00 |
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63ca3c6439
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Improve the FIR filter a bit
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2024-07-23 20:29:52 +02:00 |
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884d84bbf9
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Fix gain
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2024-07-23 20:15:43 +02:00 |
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5a9a0f7acc
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Move gain application to limit clipping
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2024-07-22 20:39:40 +02:00 |
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b52f772845
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Increase queue length to avoid dropping
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2024-07-22 20:37:13 +02:00 |
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8974b812f2
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Prevent too tight loop on the 1st core
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2024-07-22 20:37:13 +02:00 |
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821cd9189d
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Move feedback pin farther to prevent crosstalk
Now this was just silly of me.
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2024-07-22 20:37:13 +02:00 |
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518d6f55db
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Fix gain
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2024-07-22 20:37:13 +02:00 |
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4e6a29abbc
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Replace BPF with LPF after I/Q conversion
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2024-07-18 12:15:43 +02:00 |
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09b4c2c169
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Use a more stable bias
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2024-07-17 22:20:45 +02:00 |
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34a4df9b1a
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Use slightly harder bias to avoid clipping
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2024-07-17 20:29:35 +02:00 |
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dd66571945
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Sample at full speed
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2024-07-17 20:25:50 +02:00 |
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bc96b5a9ee
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Implement a fast band-pass filter for better SNR
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2024-07-17 20:04:45 +02:00 |
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0e1fc91279
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Remove LO dithering for better SNR
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2024-07-17 18:58:28 +02:00 |
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eaad670abb
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Adjust FB slew rate for better SNR
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2024-07-17 11:43:30 +02:00 |
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574c474c6e
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Reduce jitter and use HPF to improve SNR
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2024-07-16 19:24:16 +02:00 |
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38b7ec34f6
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Experiment with a superhet approach
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2024-07-16 11:03:22 +02:00 |
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46c061f177
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Use LNA gain options to control bias strength
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2024-07-10 22:35:49 +02:00 |
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c188d809df
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Randomize bias delay to reduce artifacts
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2024-07-10 20:32:47 +02:00 |
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57e36203aa
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Tweak LO dithering for better performance
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2024-07-10 10:21:04 +02:00 |
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1c3ec5cb49
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Allow more precise tuning
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2024-07-10 10:10:29 +02:00 |
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12c53377f6
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Use shorter queue to decrease latency
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2024-07-10 10:10:13 +02:00 |
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56aff439f7
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Dither LO phase to reduce artifacts
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2024-07-09 20:46:17 +02:00 |
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ff6001b0da
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Fix DC offset error
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2024-07-02 22:29:34 +02:00 |
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cb47fd3aa5
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Optimize frequency shift
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2024-07-02 13:00:14 +02:00 |
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e694692a8c
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Add missing cast
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2024-07-02 12:13:54 +02:00 |
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a88ff12555
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Remove DC offset filter
Since we are off-tuning, we no longer need it.
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2024-07-02 01:57:20 +02:00 |
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6e70ef1433
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Implement fixed off-tuning
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2024-07-02 01:56:26 +02:00 |
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46aee7f5d2
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Fix circular buffer reading
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2024-06-15 18:52:50 +02:00 |
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de9dc0e6fd
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Prevent dma hangup after ~7 days
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2024-06-15 13:11:51 +02:00 |
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2693c18fdc
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Refactor rx_lo_init
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2024-06-15 12:49:03 +02:00 |
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25c1e608e3
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Avoid PIO input_sync_bypass
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2024-06-11 23:04:16 +02:00 |
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71c8ceb8bb
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Make bias strength settable
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2024-06-09 13:05:52 +02:00 |
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dd7d954733
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Tweak bias
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2024-06-09 00:16:17 +02:00 |
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8c168d7461
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Avoid copying queue buffers
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2024-06-08 20:57:41 +02:00 |
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3fa96ca7e3
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Avoid getting stuck on many commands
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2024-06-08 11:59:14 +02:00 |
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421d298c86
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Adjust gain factor
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2024-06-07 21:33:16 +02:00 |
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3cf5214bb8
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Add small amount of additional smoothing
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2024-06-07 21:33:06 +02:00 |
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a2104495c6
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Improve gain handling
Now it's possible to set gain in gqrx.
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2024-06-06 22:54:02 +02:00 |
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40a0b843fb
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Streamline configuration
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2024-06-06 22:53:45 +02:00 |
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78bb05cd1f
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Fake R820T to enable gqrx gain control
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2024-06-06 22:11:17 +02:00 |
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7d4b890a7f
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Optimize DC removal a bit
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2024-06-06 20:59:07 +02:00 |
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48c4c2dc40
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Remove LO dithering
Means we will probably receive more LO harmonic content but have
better SNR where there is silence.
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2024-06-06 20:19:25 +02:00 |
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7e41420d14
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Make commands more reliable
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2024-06-06 20:02:30 +02:00 |
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af2ce901eb
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Convert into rtl_tcp emulator
|
2024-06-06 12:03:29 +02:00 |
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7112366e8c
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Unlicense
|
2024-06-04 16:43:11 +02:00 |
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22fecc99ca
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Use LO dithering even for FM
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2024-06-03 22:22:37 +02:00 |
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f57c5b006c
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Simplify bias
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2024-06-03 21:48:36 +02:00 |
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53ac42ca2e
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Use integer multiple of the XOSC for CLK_SYS
|
2024-04-07 10:07:09 +02:00 |
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a6935d6e33
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Add LO dithering option
Makes receiver susceptible to wide-band interference in exchange for
lower spurs that cause reception at unrelated frequencies.
|
2024-03-18 11:46:01 +01:00 |
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