diff --git a/Assembly-guide.md b/Assembly-guide.md index 05e0a15..da54d92 100644 --- a/Assembly-guide.md +++ b/Assembly-guide.md @@ -45,6 +45,9 @@ After soldering clean the PCB to remove any flux residues. Screw the top cover o ![Ready-made device](./Resources/Enclosure-Ready-made-device.jpg) ## Adjusting the output amplifier +> [!NOTE] +> Only applicable for [PCB version 1.0](https://github.com/IgrikXD/WSPR-beacon/releases/tag/wspr-beacon-1.0)! + To adjust the output amplifier, I recommend you use the instructions from [QRP-Labs: "PA bias set-up"](https://qrp-labs.com/images/ultimate3s/assembly_u3s_r3_lt.pdf). For additional cooling of the BS170 transistor, you can use an off-the-shelf aluminum heatsink for TO-92 package transistors. diff --git a/BOMs/BOM_WSPR-beacon_1.0.csv b/BOMs/BOM_WSPR-beacon_1.0.csv index ced4833..4eb43fe 100644 Binary files a/BOMs/BOM_WSPR-beacon_1.0.csv and b/BOMs/BOM_WSPR-beacon_1.0.csv differ diff --git a/BOMs/BOM_WSPR-beacon_2.0.csv b/BOMs/BOM_WSPR-beacon_2.0.csv new file mode 100644 index 0000000..9c78768 Binary files /dev/null and b/BOMs/BOM_WSPR-beacon_2.0.csv differ diff --git a/Gerbers/Gerber_WSPR-beacon_2.0.zip b/Gerbers/Gerber_WSPR-beacon_2.0.zip new file mode 100644 index 0000000..ee77720 Binary files /dev/null and b/Gerbers/Gerber_WSPR-beacon_2.0.zip differ diff --git a/Gerbers/Gerber_WSPR-beacon_2.0_LED_side_cover.zip b/Gerbers/Gerber_WSPR-beacon_2.0_LED_side_cover.zip new file mode 100644 index 0000000..b0cbdb8 Binary files /dev/null and b/Gerbers/Gerber_WSPR-beacon_2.0_LED_side_cover.zip differ diff --git a/Gerbers/Gerber_WSPR-beacon_2.0_SMA_side_cover.zip b/Gerbers/Gerber_WSPR-beacon_2.0_SMA_side_cover.zip new file mode 100644 index 0000000..469c432 Binary files /dev/null and b/Gerbers/Gerber_WSPR-beacon_2.0_SMA_side_cover.zip differ diff --git a/README.md b/README.md index 7e3129f..f3301c5 100644 --- a/README.md +++ b/README.md @@ -2,10 +2,10 @@ ![WSPR-beacon](./Resources/WSPR-beacon-logo.png) -A small hardware device for transmitting WSPR messages based on the SI5351 IC. The device has a built-in TCXO to eliminate SI5351 frequency drift, a built-in GPS module for operation with active GPS antennas, transmission time synchronization and automatic QTH locator calculation, and a simple amplifier based on a single BS170 transistor. PCB is made on based on SMD components and adapted for installation in an aluminum enclosure with dimensions 80 x 50 x 20 mm. +A small hardware device for transmitting WSPR messages based on the SI5351 IC. The device has a built-in TCXO to eliminate SI5351 frequency drift, a built-in GPS module for operation with active GPS antennas, transmission time synchronization and automatic QTH locator calculation, and a simple amplifier based on a single BS170 transistor ([_PCB version 1.0_](https://github.com/IgrikXD/WSPR-beacon/releases/tag/wspr-beacon-1.0)) or buffer amplifier based on a 74ACT244 IC ([_PCB version 2.0_](https://github.com/IgrikXD/WSPR-beacon/releases/tag/wspr-beacon-pcb-2.0)). PCB is made on based on SMD components and adapted for installation in an aluminum enclosure with dimensions 80 x 50 x 20 mm. ## Current development progress: -[![Progress](https://img.shields.io/badge/wspr--beacon%20EasyEDA-tested-green.svg?longCache=true&style=for-the-badge)](https://oshwlab.com/igrikxd/wspr-beacon) [![Progress](https://img.shields.io/badge/firmware%20version-1.0-blue.svg?longCache=true&style=for-the-badge)](./Firmware) [![Progress](https://img.shields.io/badge/pcb%20version-1.0-blue.svg?longCache=true&style=for-the-badge)](./Gerbers) +[![Progress](https://img.shields.io/badge/wspr--beacon%20EasyEDA-tested-green.svg?longCache=true&style=for-the-badge)](https://oshwlab.com/igrikxd/wspr-beacon) [![Progress](https://img.shields.io/badge/firmware%20version-1.0-blue.svg?longCache=true&style=for-the-badge)](./Firmware) [![Progress](https://img.shields.io/badge/pcb%20version-2.0-blue.svg?longCache=true&style=for-the-badge)](./Gerbers) Correctness of encoding of the transmitted WSPR message was verified by decoding the transmission using a locally located Airspy R2 SDR receiver and the [WSJT-X](https://wsjt.sourceforge.io/wsjtx.html) application. @@ -28,7 +28,9 @@ Additionally, you can find information about the [list of required components](. ## Resources: [A Little WSPR Beacon (Aren’t They All Little?) – Dave Richards AA7EE](https://aa7ee.wordpress.com/2023/02/26/a-little-wspr-beacon-arent-they-all-little/) +[Bifilar and trifilar PA](https://qrp-labs.com/ultimate3/u3info/u3sbifilar.html) [ESP WSPR – Simple and Inexpensive WSPR Transmitter - Ankara Telsiz ve Radyo Amatörleri Kulübü Derneği](https://antrak.org.tr/blog/esp-wspr-simple-and-inexpensive-wspr-transmitter/) +[FDIM 2024 LOGIC IC TRANSMITTER CHALLENGE - Ankara Telsiz ve Radyo Amatörleri Kulübü Derneği](https://antrak.org.tr/haberler/fdim-2024-logic-ic-transmitter-challenge/) [HarrydeBug/WSPR-transmitters: Arduino firmware for ZachTek WSPR transmitters.](https://github.com/HarrydeBug/WSPR-transmitters/tree/master) [K1FM-WSPR-TX - GitHub](https://github.com/adecarolis/K1FM-WSPR-TX) [QRP Labs QRSS/WSPR TX Kit](https://qrp-labs.com/images/ultimate3s/assembly_u3s_r3_lt.pdf) diff --git a/Schematics/Schematic_WSPR-beacon_2.0.pdf b/Schematics/Schematic_WSPR-beacon_2.0.pdf new file mode 100644 index 0000000..c87f526 Binary files /dev/null and b/Schematics/Schematic_WSPR-beacon_2.0.pdf differ