{"product_id":"51631021","title":"uSOTA-ATU USDX HF QRP SDR Transceiver with ATU-100 Tuner, Dual OLED, 8 Bands, PC Software Control","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta content=\"width=device-width, initial-scale=1.0\" name=\"viewport\"\u003e\u003c\/p\u003e\n\u003ch1\u003euSDX Transceiver\u003c\/h1\u003e\n\u003cp\u003eThe uSDX transceiver is an enhanced and modified version of the Guido PE1NNZ open source project uSDX\/QCX-SSB. This shortwave QRP SSB\/CW transceiver is compact and portable, featuring two OLED displays for ease of use. Its integrated automatic antenna tuner unit is designed for QRP operations up to 10 watts.\u003c\/p\u003e\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Lightweight and portable, making it easy to handle and use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 Bands Design:\u003c\/strong\u003e Covers 3.5MHz, 5.3MHz, 7MHz, 10MHz, 14MHz, 18MHz, 21MHz, and 29MHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Emission Efficiency:\u003c\/strong\u003e Over 85% efficiency for 3.5MHz, 5.3MHz, 7MHz, 10MHz, 14MHz; over 80% for 18MHz and 21MHz; and over 70% for 29MHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC Connectivity:\u003c\/strong\u003e Connects to a PC to use digital mode software like FT8, JS8, and FT4, with support for CW automatic decoding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Upgrades:\u003c\/strong\u003e Achieves 3-5W power across 8 bands, with options for PA module upgrades (TO-220).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Performance:\u003c\/strong\u003e Includes a highly precise TCXO for KDS, with frequency accuracy better than 1 PPM and frequency stability better than 0.5 PPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Design:\u003c\/strong\u003e Separate main board, radio frequency PA board, and ATU board to minimize internal signal interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelected Components:\u003c\/strong\u003e Utilizes 100V C0G\/NP0 capacitors, with options for LM4562, LM833, or LT6231 op amps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Interfaces:\u003c\/strong\u003e Equipped with HEADPHONE, PTT OUT, MIC\/PTT, SPK\/MIC, and BNC antenna interfaces (BCN-SL16 adapter included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eName:\u003c\/strong\u003e Transceiver Antenna Tuner Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Printed circuit board\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eATU (Automatic Antenna Tuner Unit):\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum tuning inductance: 8.42µH\u003c\/li\u003e\n\u003cli\u003eMinimum tuning inductance: 0.05µH\u003c\/li\u003e\n\u003cli\u003eMaximum tuning capacitance: 1869pF\u003c\/li\u003e\n\u003cli\u003eMinimum tuning capacitance: 10pF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Size:\u003c\/strong\u003e 200 x 100 x 50 mm \/ 7.87 x 3.94 x 1.97 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 1200 g \/ 2.65 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003euSDX_ATU System Functions:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSupports full modes: USB, LSB, CW, AM, Frequency Modulation\u003c\/li\u003e\n\u003cli\u003eAll-digital and software-based SDR receive and transmit channels\u003c\/li\u003e\n\u003cli\u003eReceive attenuator levels: 0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB\u003c\/li\u003e\n\u003cli\u003eDSP filter bandwidths: 4000, 2500, 1700, 500, 200, 100, and 50 Hz\u003c\/li\u003e\n\u003cli\u003eReceiving background noise: -135dBm at 28MHz (BW=200Hz)\u003c\/li\u003e\n\u003cli\u003eReceiver front-end selectivity: -45dB\/decade roll-off ±2kHz\u003c\/li\u003e\n\u003cli\u003eSSB\/Carrier suppression: transmit better than 45dBc, receive better than 50dBc\u003c\/li\u003e\n\u003cli\u003eDSP functions: AGC, Noise Reduction, VOX, RX Attenuator, TX Noise Gate, TX Drive Control, Volume Control, dBm\/S meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThree-Layer PCB:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eATU-board\u003c\/li\u003e\n\u003cli\u003ePA-board: 8 band\u003c\/li\u003e\n\u003cli\u003eMainboard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRear Panel Connector (JACK):\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Jack (3.5 mm):\u003c\/strong\u003e Audio out (Tips, Rings), GND (Sleeve)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIC\/PTT (Keys) Jack (3.5 mm):\u003c\/strong\u003e Mic input (Tips), PTT (Rings), GND (Sleeve)\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eCW-KEYS INPUT MODE: DAH (Tips), DIT (Rings), GND (Sleeve)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPK\/MIC Jack (3.5 mm):\u003c\/strong\u003e Speaker (Tips), MIC (Rings 1), PTT (Rings 2), GND (Sleeve)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTT OUT Jack (3.5 mm):\u003c\/strong\u003e SSR output (Tips, Rings), GND (Sleeve)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePacking List:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMain Unit\u003c\/li\u003e\n\u003cli\u003e13.5VDC Power Adapter\u003c\/li\u003e\n\u003cli\u003eBNC Adapter\u003c\/li\u003e\n\u003cli\u003eBNC Cable\u003c\/li\u003e\n\u003cli\u003eHandheld Microphone\u003c\/li\u003e\n\u003cli\u003eWrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eNote:\u003c\/h2\u003e\n\u003cp\u003ePlease note that the unit does not include a built-in battery or speaker. An external power supply is required.\u003c\/p\u003e","brand":"Evalm","offers":[{"title":"Default Title","offer_id":46355981107429,"sku":"663254699668","price":212.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7262\/8453\/files\/E22733EU-1-acde-fE1C.jpg?v=1732625463","url":"https:\/\/evalm.com\/products\/51631021","provider":"Evalm","version":"1.0","type":"link"}