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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
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2024-06-06 12:03:29 +02:00 |
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7112366e8c
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Unlicense
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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
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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.
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2024-03-18 11:46:01 +01:00 |
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197cbaa759
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Go back to weak bias and older adapter
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2024-03-17 16:40:06 +01:00 |
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9519be4e76
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Update 40.68 MHz settings
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2024-03-17 16:32:18 +01:00 |
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d8395922da
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Use stronger bias with new FM adapter
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2024-03-17 16:02:03 +01:00 |
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c069cc8608
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Decrease bias strength on the minimum setting
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2024-03-17 00:17:54 +01:00 |
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d0ac0e696d
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Plot rx with high decimation correctly
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2024-03-16 14:58:16 +01:00 |
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2902fe7607
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Limit rx plot resolution
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2024-03-09 19:13:49 +01:00 |
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2995f19e9b
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Go to 300 MHz for FM receiver
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2024-03-06 00:01:57 +01:00 |
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4b6194e9c2
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Optimize decimation, use 3rd order filter for FM
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2024-03-05 20:18:08 +01:00 |
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f640ce9677
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Go back to 16-bit output depth
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2024-03-05 17:49:30 +01:00 |
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1a3eb74ea2
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Move voltage regulator configuration to a macro
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2024-03-03 23:57:31 +01:00 |
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1a68043531
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Experiment with FM radio reception
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2024-03-03 17:36:31 +01:00 |
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99e3dfbf7f
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Do not print anything out of the RX core1 loop
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2024-03-03 17:36:31 +01:00 |
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091379cffb
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Make AGC decay and LPF order configurable
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2024-03-03 00:40:16 +01:00 |
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92f69b56ae
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Fix rx command help
|
2024-03-01 17:11:58 +01:00 |
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768c3f3188
|
Use yet another bias pattern
This one works equally well for both string and weak signals.
|
2024-03-01 16:38:24 +01:00 |
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17389d28c4
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Prevent overflow with jittery sampling
|
2024-03-01 16:38:21 +01:00 |
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