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76 Commity
6 Gałęzie
5 Tagi
44 MiB
Wykres commitów

76 Commity (064d1366725caa4f9333afeaf1f2979497d7cfa4)

Autor SHA1 Wiadomość Data
guido 064d136672 Minor changes. 2020-05-07 18:57:24 +02:00
guido 936c902464 Add assembly manual Rev 5 PCB (tnx Manuel, DL2MAN). 2020-05-07 16:02:16 +02:00
guido 552f87b745 Added si5351 PLL, MS conceptual split. 2020-05-03 22:40:25 +02:00
guido e863e3a363 Fix for issue #4, reducing an element from Hilbert delay-lines (tnx DC1MP). 2020-05-03 21:34:39 +02:00
guido cb2fab66ba Minor changes. 2020-05-03 19:54:23 +02:00
guido 4cc14aee3a Added LCD re-init algorithm (hot LCD swap). 2020-05-03 14:54:30 +02:00
guido 1e97ccae49 Added disable unused si5351 clocks. Added Rev5 installation changes (tnx Manuel, DL2MAN). Potential fix for LCD issue #3. 2020-05-03 00:48:43 +02:00
guido 80e0d60ebc Added CW tone same as CW offset. 2020-04-29 16:34:44 +02:00
guido 22f3831c2a Added instruction for headphones use. 2020-04-29 12:33:11 +02:00
guido 7a45bfe3a2 Added 32 bit dynamic-range for CW filters, CW offset to menu, Fix menu param change event only on param change. 2020-04-27 22:18:50 +02:00
guido f8f7bfcefc Enabled 2nd order DUC for more dynamic range (on low volume settings). 2020-04-22 12:29:09 +02:00
guido 033be7279c Minor changes. 2020-04-21 10:50:58 +02:00
guido 97f0b75706 Minor changes. 2020-04-21 10:01:33 +02:00
guido b099dd573d Added I/Q calibration for original QCX RX (tnx VK3ELH). 2020-04-20 16:26:55 +02:00
guido 764dff0fdb Fix CW offset to 720 Hz with original QCX RX (tnx VK3ELH). 2020-04-20 15:23:01 +02:00
guido 310d11266f Changed photo. 2020-04-19 18:59:58 +02:00
guido a1dfaff3bd Added up-to-date PCB photos Changed default volume setting. 2020-04-19 15:30:33 +02:00
guido 59cbd497f6 Add simplified instructions. 2020-04-17 14:00:14 +02:00
guido 48fc04def3 Minor changes. 2020-04-15 19:09:54 +02:00
guido 57f171ed36 Fix issue#2 for disappearing audio when VOX is enabled (for SSB mod only). 2020-04-14 12:14:12 +02:00
guido 926443f140 Fix documentation. 2020-04-13 18:22:46 +02:00
guido bd73f36f98 Fixes in installation instruction: R44,R45,R46 needs to be installed (was invisible on layout); the 5V side of R50,R52 needs to be disconnected and wired to pin 21 (not pin 25! and description wires with circles was ambiguous); better to remove R27,R29,IC10 to prevent side-effects from interconnecting potential old unused circuitry; TNX PA3FUN, G8EMA. 2020-04-13 12:11:03 +02:00
guido 17da2a952e Added one-button support, output for independent TX switching (NTX), support for a single processor/pll clock, added UCX pin-layout (see block.png in draw.io tool). 2020-04-13 12:11:03 +02:00
guido e5aa42c091 Added original LCD library. Added auto-biasing algorithm, allowing removal R49-52, change C39,40 to 10nF. 2020-04-13 12:11:03 +02:00
guido 7e0f1e5b22 Fix for hanging amplitude issue on qcx-ssb. 2020-04-13 12:11:03 +02:00
guido 59ffa6e549 Fix RFI issue caused in key-shaping circuit. 2020-04-13 12:11:03 +02:00
guido e0791f1d2d Minor changes. 2020-04-13 12:11:03 +02:00
guido ae13519f42 Added 3x oversampling in SSB tx. 2020-04-13 12:11:03 +02:00
guido 27d3ce7b95 Added SSD1306 library. 2020-04-13 12:11:03 +02:00
guido 572de94c53 Fix filter issue. 2020-04-13 12:11:03 +02:00
guido 18058adaf2 Minor changes. Added experimental TX AM, FM support. 2020-04-13 12:11:03 +02:00
guido beac1235aa Minor changes. Added simplifications display_vfo, si5351. 2020-04-13 12:11:03 +02:00
guido bd4899aaac Added improved capability tests. Added improved capability tests DSP, SDR, SSB. 2020-04-13 12:11:03 +02:00
guido 4485a2548d Workaround for TX performance degrad. due to Arduino-1.8.9 to .10 transition. Experiments with ISR, sdr_rx() optimizations. Added experimental non-interrupt driven sdr_rx. 2020-04-13 12:11:03 +02:00
guido dfbeda886a Cleanup dead code. Fixed an issue where volume was accidentaly enabled in qcx-ssb mode.Fix for QCX-SSB VOX GitHub issue #1. 2020-04-13 12:11:03 +02:00
guido 6488867007 Minor changes. Added CW TX tone. Added automatic stepsize change corresponding with CW filter bandwidth. 2020-04-13 12:11:03 +02:00
guido f4fce1e85b Change code, installation guide, schematic, pcb, layout to support single rx gain stage (reducing overall gain with -18dB). 2020-04-13 12:11:03 +02:00
guido 8903bf4cfb Removal of RX DC filter. Fixed s-meter error. Added experimental auto ADC biasing mechanism. Added 500 Hz CW filter, added CW freq-offset and improved CW dynamic-range. Fix installation description. 2020-04-13 12:11:03 +02:00
guido 6fb68b9395 Added (draw.io) block-diagram. 2020-04-13 12:11:03 +02:00
guido 01e84bfb50 Added sample-rate, CPU idle-time diagnostics. 2020-04-13 12:11:03 +02:00
guido 4bf92bbdf6 Added menu-button description. Added co-existence support for serial interface mod. Added RX spur rejection leaking via KEY_OUT PWM. Removed SIDETONE PWM leakage into TX. 2020-04-13 12:11:03 +02:00
guido 3c57e3b5b9 Added configurable PA-PWM envelope working range. Added description for direct PWM PA biasing solution (removing key shaping circuit). 2020-04-13 12:11:03 +02:00
guido 1823683c59 Minor changes. Simplified init values. Changed to 1st order CIC up-sampler. Fix param initiatalisation. 2020-04-13 12:11:03 +02:00
guido 61ad30ba1e Minor changes. Added ref. freq si5351 crystal. 2020-04-13 12:11:03 +02:00
guido 5c308662f9 Added simple LCD driver (replaced LiquidCrystal Arduino class). Major code-cleanup/re-organisation, removal of QCX class. 2020-04-13 12:11:03 +02:00
guido 153759f324 Added MOX, VOX (that is coexisting with DSP/SDR feature). 2020-04-13 12:11:03 +02:00
guido 09321c16b5 Added apply and return menu navigation buttons, faster quick menu access. 2020-04-13 12:11:03 +02:00
guido 48f9576085 Added co-existence support QCX settings. 2020-04-13 12:11:03 +02:00
guido e7f8bd8650 Added attenuator on ADC input. Prevent RX leaking into microphone (AREF) during TX. 2020-04-13 12:11:03 +02:00
guido 8f5ba3ad7b Removed "woodpecker" S-meter RFI (leaking through LCD_RS/SDA while writing to LCD). 2020-04-13 12:11:03 +02:00