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superhet-amp

Mono Color

• 06695041ba Fix sin/cos qsd Jan Hamal Dvořák 2024-08-14 00:30:02 +0200
• e02806f3cc Fix startup ADC clkdiv superhet-amp Jan Hamal Dvořák 2024-08-10 12:30:05 +0200
• 758488c054 Try to increase NCO phase precision Jan Hamal Dvořák 2024-08-10 12:12:50 +0200
• f10f8d5ceb Improve band-pass filter Jan Hamal Dvořák 2024-08-07 00:19:29 +0200
• a61748c6b5 Remove DC offset Jan Hamal Dvořák 2024-08-07 00:19:17 +0200
• b31fc626e3 Improve NCO flexibility Jan Hamal Dvořák 2024-08-07 00:01:37 +0200
• 63d9a59fe6 Adjust for unusual antenna situation Jan Hamal Dvořák 2024-08-06 11:50:04 +0200
• fcc69f6a3e Lower decimation for higher rates Jan Hamal Dvořák 2024-08-06 10:18:56 +0200
• 36ca06f31b Variant for superhet + amplifier Jan Hamal Dvořák 2024-08-05 20:11:50 +0200
• c9da22afec Convert to QSD Jan Hamal Dvořák 2024-08-04 17:32:14 +0200
• 1fe4633601 Fix gain, DC offset superhet Jan Hamal Dvořák 2024-08-03 10:00:36 +0200
• 347582cfc1 Optimize decimation performance Jan Hamal Dvořák 2024-08-03 08:50:39 +0200
• 49cf85006d Implement full-blown NCO using DMA sniffer Jan Hamal Dvořák 2024-08-03 02:36:35 +0200
• f866c97fcb Swap SM constant names Jan Hamal Dvořák 2024-08-03 00:10:12 +0200
• 82c1c12195 Save memory on RX, use it for LO Jan Hamal Dvořák 2024-08-03 00:07:38 +0200
• 5868a1ade9 Fix PIO code origins handling Jan Hamal Dvořák 2024-08-03 00:01:22 +0200
• 3410740b4a Avoid losing sampling timer on reset Jan Hamal Dvořák 2024-08-02 23:16:00 +0200
• 4ce91c54b3 Fix frequency rounding master Jan Hamal Dvořák 2024-08-02 20:34:51 +0200
• a78bdc509f Bunch of fixes and improvements Jan Hamal Dvořák 2024-08-02 16:24:40 +0200
• 2bd44e45df Track vendor/pico-stdio-usb-simple Jan Hamal Dvořák 2024-07-30 21:01:09 +0200
• 6b444587b6 Remember frequency correctly Jan Hamal Dvořák 2024-07-31 23:49:15 +0200
• 7382677af8 Fix initial frequency Jan Hamal Dvořák 2024-07-31 23:12:36 +0200
• 71543c70da Increase decimation, remove filter Jan Hamal Dvořák 2024-07-31 22:54:59 +0200
• 2068d3a01f Improve bit counting Jan Hamal Dvořák 2024-07-31 20:53:05 +0200
• 0db366b602 Track vendor/pico-stdio-usb-simple Jan Hamal Dvořák 2024-07-30 21:01:09 +0200
• f5fb02c190 Avoid sleeps to prevent low-frequency artifacts Jan Hamal Dvořák 2024-07-27 15:39:40 +0200
• 24d6acdb53 Improve LO synthesis precision to 17.9 Hz Jan Hamal Dvořák 2024-07-26 21:37:35 +0200
• f7d2dd3629 Limit LO drive for less spurs Jan Hamal Dvořák 2024-07-26 21:37:15 +0200
• f294b09c98 Refactor sample processing Jan Hamal Dvořák 2024-07-23 21:51:48 +0200
• 178ba7bee0 Clear DMA chaining before abort Jan Hamal Dvořák 2024-07-23 20:30:54 +0200
• 63ca3c6439 Improve the FIR filter a bit Jan Hamal Dvořák 2024-07-23 20:16:40 +0200
• 884d84bbf9 Fix gain Jan Hamal Dvořák 2024-07-23 20:15:43 +0200
• 5a9a0f7acc Move gain application to limit clipping Jan Hamal Dvořák 2024-07-22 20:39:40 +0200
• b52f772845 Increase queue length to avoid dropping Jan Hamal Dvořák 2024-07-22 19:40:12 +0200
• 8974b812f2 Prevent too tight loop on the 1st core Jan Hamal Dvořák 2024-07-22 19:39:40 +0200
• 3054904768 Lower the FB resistor value Jan Hamal Dvořák 2024-07-22 17:33:03 +0200
• 821cd9189d Move feedback pin farther to prevent crosstalk Jan Hamal Dvořák 2024-07-22 17:32:08 +0200
• 9997b63c7e Update README Jan Hamal Dvořák 2024-07-18 19:16:25 +0200
• 518d6f55db Fix gain Jan Hamal Dvořák 2024-07-22 20:34:16 +0200
• 4e6a29abbc Replace BPF with LPF after I/Q conversion Jan Hamal Dvořák 2024-07-18 12:15:43 +0200
• 09b4c2c169 Use a more stable bias Jan Hamal Dvořák 2024-07-17 22:19:36 +0200
• 34a4df9b1a Use slightly harder bias to avoid clipping Jan Hamal Dvořák 2024-07-17 20:29:35 +0200
• dd66571945 Sample at full speed Jan Hamal Dvořák 2024-07-17 20:25:50 +0200
• bc96b5a9ee Implement a fast band-pass filter for better SNR Jan Hamal Dvořák 2024-07-17 20:04:24 +0200
• 0e1fc91279 Remove LO dithering for better SNR Jan Hamal Dvořák 2024-07-17 18:58:28 +0200
• eaad670abb Adjust FB slew rate for better SNR Jan Hamal Dvořák 2024-07-17 11:43:30 +0200
• 574c474c6e Reduce jitter and use HPF to improve SNR Jan Hamal Dvořák 2024-07-16 18:56:30 +0200
• 38b7ec34f6 Experiment with a superhet approach Jan Hamal Dvořák 2024-07-15 19:20:22 +0200
• 8a6283c5ae
  
  TX changes old Jan Hamal Dvořák 2024-07-15 10:25:30 +0200
• 46c061f177 Use LNA gain options to control bias strength Jan Hamal Dvořák 2024-07-10 22:32:45 +0200
• c188d809df Randomize bias delay to reduce artifacts Jan Hamal Dvořák 2024-07-10 20:32:24 +0200
• 57e36203aa Tweak LO dithering for better performance Jan Hamal Dvořák 2024-07-10 10:21:04 +0200
• 2fc01539f0 grc: fix data workflow Jan Hamal Dvořák 2024-07-10 10:20:28 +0200
• 8a9a927c8b grc: remove WBFM gain Jan Hamal Dvořák 2024-07-10 10:13:45 +0200
• 1c3ec5cb49 Allow more precise tuning Jan Hamal Dvořák 2024-07-10 10:10:29 +0200
• 12c53377f6 Use shorter queue to decrease latency Jan Hamal Dvořák 2024-07-10 10:10:13 +0200
• 56aff439f7 Dither LO phase to reduce artifacts Jan Hamal Dvořák 2024-07-09 20:32:58 +0200
• 83bb953842 Experiment with headphones headphones Jan Hamal Dvořák 2024-07-09 18:45:33 +0200
• ff6001b0da Fix DC offset error Jan Hamal Dvořák 2024-07-02 13:04:39 +0200
• cb47fd3aa5 Optimize frequency shift Jan Hamal Dvořák 2024-07-02 13:00:14 +0200
• e694692a8c Add missing cast Jan Hamal Dvořák 2024-07-02 12:13:54 +0200
• a88ff12555 Remove DC offset filter Jan Hamal Dvořák 2024-07-02 01:57:20 +0200
• 6e70ef1433 Implement fixed off-tuning Jan Hamal Dvořák 2024-07-02 01:56:08 +0200
• 7f98ab98f0 bridge: make device path a parameter Jan Hamal Dvořák 2024-06-25 18:09:56 +0200
• 46aee7f5d2 Fix circular buffer reading Jan Hamal Dvořák 2024-06-15 17:57:27 +0200
• de9dc0e6fd Prevent dma hangup after ~7 days Jan Hamal Dvořák 2024-06-15 13:11:51 +0200
• 2693c18fdc Refactor rx_lo_init Jan Hamal Dvořák 2024-06-15 12:49:03 +0200
• 25c1e608e3 Avoid PIO input_sync_bypass Jan Hamal Dvořák 2024-06-11 23:04:00 +0200
• 71c8ceb8bb Make bias strength settable Jan Hamal Dvořák 2024-06-09 13:05:52 +0200
• dd7d954733 Tweak bias Jan Hamal Dvořák 2024-06-09 00:16:17 +0200
• 8c168d7461 Avoid copying queue buffers Jan Hamal Dvořák 2024-06-08 20:52:06 +0200
• 2825e5e49d Improve bpsk test transmission timing Jan Hamal Dvořák 2024-06-08 17:05:56 +0200
• 3fa96ca7e3 Avoid getting stuck on many commands Jan Hamal Dvořák 2024-06-08 11:59:14 +0200
• 421d298c86 Adjust gain factor Jan Hamal Dvořák 2024-06-07 21:33:16 +0200
• 3cf5214bb8 Add small amount of additional smoothing Jan Hamal Dvořák 2024-06-07 21:32:39 +0200
• 9648c344bf util/bridge: drain leftover samples Jan Hamal Dvořák 2024-06-07 10:00:10 +0200
• 8aff0a31b3 README: reflect recent changes Jan Hamal Dvořák 2024-06-06 22:58:36 +0200
• e5d927c77a Merge branch 'rtl_tcp' Jan Hamal Dvořák 2024-06-06 22:55:39 +0200
• a2104495c6 Improve gain handling Jan Hamal Dvořák 2024-06-06 22:54:02 +0200
• 40a0b843fb Streamline configuration Jan Hamal Dvořák 2024-06-06 22:53:27 +0200
• 78bb05cd1f Fake R820T to enable gqrx gain control Jan Hamal Dvořák 2024-06-06 22:11:17 +0200
• edfe86793d util/bridge: print command names Jan Hamal Dvořák 2024-06-06 22:04:47 +0200
• 4ecefa1e5b README: update instructions for rtl_tcp mode Jan Hamal Dvořák 2024-06-06 21:23:36 +0200
• 5b3bf38e39 Update GNU Radio Companion sheets Jan Hamal Dvořák 2024-06-06 21:14:16 +0200
• 7d4b890a7f Optimize DC removal a bit Jan Hamal Dvořák 2024-06-06 20:59:07 +0200
• 48c4c2dc40 Remove LO dithering Jan Hamal Dvořák 2024-06-06 20:19:07 +0200
• 7e41420d14 Make commands more reliable Jan Hamal Dvořák 2024-06-06 20:02:30 +0200
• eb75e3ccc3
  
  README: clarify bridge exit bahavior Jan Hamal Dvořák 2024-06-06 17:41:27 +0200
• af2ce901eb Convert into rtl_tcp emulator Jan Hamal Dvořák 2024-06-06 11:24:31 +0200
• 27e8aed2b0 README: s/Firmware/Software/ Jan Hamal Dvořák 2024-06-05 14:35:05 +0200
• f8b34e8655 Tweak circuit color Jan Hamal Dvořák 2024-06-05 14:32:20 +0200
• cf14183291 Add circuit.svg Jan Hamal Dvořák 2024-06-05 14:27:46 +0200
• d6bb9a5f37 Mention blog post Jan Hamal Dvořák 2024-06-04 19:29:35 +0200
• 09a3d57adc Add README Jan Hamal Dvořák 2024-06-04 19:27:58 +0200
• 7112366e8c Unlicense Jan Hamal Dvořák 2024-06-04 16:42:45 +0200
• 80c98eb9db Update GRC for 40.68 MHz Jan Hamal Dvořák 2024-06-03 22:23:15 +0200
• 22fecc99ca Use LO dithering even for FM Jan Hamal Dvořák 2024-06-03 22:22:37 +0200
• f57c5b006c Simplify bias Jan Hamal Dvořák 2024-06-03 21:48:36 +0200
• 53ac42ca2e Use integer multiple of the XOSC for CLK_SYS Jan Hamal Dvořák 2024-04-07 10:07:09 +0200
• a6935d6e33 Add LO dithering option Jan Hamal Dvořák 2024-03-18 10:44:43 +0100