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Autor SHA1 Wiadomość Data
Marshal Horn 96a2b85f12 Updated README 2020-11-23 09:53:57 -08:00
Marshal Horn ae403d04b4
Update README.md 2020-06-22 13:23:02 -07:00
Marshal Horn 1eb2f22fe0
Update README.md 2020-06-16 11:33:15 -07:00
guido 76235e79e9 Fix flash settings, EEPROM now preserved after programming. 2020-05-26 14:05:22 +02:00
guido 2fc6dd7677 Added new assembly manual v1.1, containing instruction for PA direct biasing method. 2020-05-23 18:47:45 +02:00
guido aced5896f6 Fix error in installation instructions for direct biasing. 2020-05-23 16:12:43 +02:00
guido 79a42c0a40 Minor changes. 2020-05-21 00:31:20 +02:00
guido 85571ecb15 Added new assembly manual v1.02, fix issue #4 and other minors (Tnx Manuel, DL2MAN). 2020-05-20 18:37:29 +02:00
guido 655731472b Added power-efficient installation steps. 2020-05-13 13:40:41 +02:00
guido 38cd1f03eb Fix LPF error ucx.png, class-e config. 2020-05-13 09:10:27 +02:00
guido 3d6abc20cb Minor changes. 2020-05-09 23:41:01 +02:00
guido c4591d8e60 Added CW pitch of choice 325/700 Hz. 2020-05-09 20:37:10 +02:00
guido cdcb3a5ee0 Fix consistent fuse settings with Arduino burn bootloader. 2020-05-08 19:29:11 +02:00
guido 936c902464 Add assembly manual Rev 5 PCB (tnx Manuel, DL2MAN). 2020-05-07 16:02:16 +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 033be7279c Minor changes. 2020-04-21 10:50:58 +02:00
guido 97f0b75706 Minor changes. 2020-04-21 10:01:33 +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 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 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 e0791f1d2d Minor changes. 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 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 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 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
guido 70c18921fc Increased PWM frequency for TX envelope and speaker outputs. 2020-04-13 12:11:03 +02:00
guido 720aea3a51 Added 4-step attenuator. Reduced PLL frequency for 80m coverage. 2020-04-13 12:11:03 +02:00
guido c2349ec450 Added menu and configuration persistency. Reduced dynamic memory. 2020-04-13 12:11:03 +02:00
guido 54d9c85f16 Added schematic, layout and description for T1 replacement. Added experimental menu. 2020-04-13 12:11:03 +02:00
guido c2c177de32 Fixed AGC issue. Change to CW decoder. Added experimental NR. Added bar-graph smeter. 2020-04-13 12:11:03 +02:00
guido 8c67a37c15 Added (marked) schematic, layout, pcb for SDR receiver. Added support for analog, DSP and SDR receiver back end, and auto detect hardware modification (including SSB mod). Fixed TX working again. Fixed TX on wrong frequency issue after reset. Added volume control. Added experimental AM, FM demodulator. Added s-meter support for DSP/SDR mode. Changed LCD writes for reduced RFI (RS changes remain source of interference). Added CIC up-sampler for audio output. Added power down. Added profiler for RX sample-rate control. Added attenuator. 2020-04-13 12:11:03 +02:00
guido 3d8ae1e443 Added (unmarked) schematic, layout, pcb and installation steps for SDR receiver. 2020-04-13 12:11:02 +02:00