(tr)uSDX usdx transceiver 5-band Multimode QRP Kits and assembled with case by PE1NNZ and DL2MAN
The (tr)uSDX is a 5-Band / Mulitmode QRP Transceiver in Pocket Format (90x60x30mm – 140g). It features a highly efficient Class E PA and Supports CW/LSB/USB and AM/FM. Right now it covers 80 /60/40/30/20m and in Future there will be support for 17/15/12/10m as well.
3.It is supplied with an OLED Display, onboard Mic, (tiny) onboard speaker and for improvised QSO onboard PTT Key can be used as emergency CW Key.
4.Further on, the (tr)uSDX has a (Micro)USB CAT and Programming Interface, and while it produces typically 5W @ 13,8V Power Supply, it can create 0,5W Output from 5V USB Supply alone.
5.Typically it draws 80mA on RX (with MS5351 – less with Si5351) and 500mA on TX @13,8V and typical 85% PA Efficiency.
6.It is supplied with OnBoard SWR Bridge and Voltage/Current measurement Hardware, to help in tuning and operation.
1(tr)uSDX Assembly – Schematics and more: https://dl2man.de/2-trusdx-assembly/
2 (tr)uSDX Bootloader – (Initial Firmware): https://dl2man.de/3a-trusdx-bootloader/
3(tr)uSDX Firmware – (Working Firmware): https://dl2man.de/3b-trusdx-firmware/
4(tr)uSDX Manual – how to operate it: https://dl2man.de/4-trusdx-manual/
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