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- AD9850 DDS VFO Alternate
- Addons
- Allard's Raduino Code
- Arduino Library Why to.
- Arduino References
- AudioMute
- Bitx40 FSQ Beacon
- Building Guides
- C and Cplusplus Language References
- Casings
- Code Snips
- Communications Cable between Windows Legacy software and Raspberry Pi
- Compiling and Uploading the Raduino Code (sketch)
- Digital Setup
- Disable Wifi
- Easy Harmonic Suppression
- Easy RF Gain Control
- Editors Notes
- Fixing the reduced power of the sBitx V2 V3 on USB and CW compared to LSB and CWR
- Github Cheatsheet
- Heat Sinking to the Cabinet
- Home
- How BITX works
- I2C display by Jim Sheldon W0EB with Ron Pfeiffer W2CTX
- Iambic Paddle
- ICOM Emulation to allow CAT Control of sBitx from Legacy Software
- Icom Emulator Version 0.1
- Installing Arduino Libraries
- Installing the Arduino IDE
- Instruction Manual revisions needed!
- Kits
- Known Issues
- Modifications Improvements Hacks
- MODS
- Moving the BITX 40m module to 60m
- No Audio Output
- No CW Jack Mod
- Optical Encoder Tuning
- Parts
- PTT pop fix
- Raduino An Si5351A DDS VFO with Display
- Raduino Hardware Hacks
- RaduinoI2C, Direct Raduino Replacement, VK4PLN
- Raduino Software Hacks
- Raduino Topics
- Retrieving the Raduino Code
- Retrieving the Si5351A Library
- RF Power and Gain
- Rotary Encoder Tuning
- sBitx Electret Microphone
- sBITX Howto's
- Shielding
- Si5351 Calibration Sketch
- Sotabeams CW audio filter
- SPUR FIX
- Suggested Resistor Additions to Sbitx DE, V2, V3 Editions
- Tips and Mods
- Tips and Tricks
- Troubleshooting the Transmit Receive System
- uBITX AM BCI Filter
- uBITX Assembly
- uBITX Enclosures
- uBITX Firmware CEC by KD8CEC
- uBITX Mods
- UBITX PTT POP Fix
- uBITX Reverse Polarity Protection
- Ubitx Schematics
- uBITX software
- uBITX spur and harmonics
- uBitx spur fixes
- UBITX Touch Control TFT Display
- uBITX Troubleshooting
- uBitx v5 Changes.
- USB LSB operation
- Using the wsjtx app on sBitx
- Version 0.1 of Audio Equalization for both Receive and Transmit
- WikiCheatsheet
Sotabeams CW audio filter
Small, $35 audio filter has 100 Hz and 300 Hz band pass filters for CW with the uBitx or Bitx. It can also light a CW tune LED to help in precise tuning.
filter
Other:
VK4PLN board: /g/BITX20/topic/14920831
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