kopia lustrzana https://github.com/UU5JPP/Wolf-LITE
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README.md
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README.md
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# Wolf-LITE
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DUC-DDC Трансивер Wolf-Lite
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Community telegram channel: https://t.me/TRX_Wolf
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Principle of operation
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The RF signal is digitized by a high-speed ADC chip and fed to an FPGA processor.
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It performs DDC / DUC conversion (digital frequency shift down or up the spectrum) - by analogy with a direct conversion receiver.
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The I and Q quadrature signals from the conversions are fed to the STM32 microprocessor.
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It filters, (de) modulates and outputs audio to an audio codec / USB. It also handles the entire user interface.
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When transmitting, the process occurs in the opposite order, only at the end of the chain there is a DAC, which converts the digital signal back to analog RF.
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Specifications
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Receiving frequencies: 0 MHz - 55 MHz
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Transmission frequencies: 0 MHz - 30 MHz
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TX power : 20W
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Modulation types (TX / RX): CW, LSB, USB, AM, FM, DIGI
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Preamplifier
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Adjustable attenuator 0-31dB
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Band pass filters
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ADC dynamic range (12 bit) ~74dB
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Supply voltage: 13.8V (overvoltage and polarity reversal NOT protection)
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Consumption current when receiving: 350-800mA (DC-DC or linear)
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Current consumption during transmission: ~5А
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Transceiver Features
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Panorama (spectrum + waterfall) up to 48 kHz wide
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Panorama tweaks and themes
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Adjustable bandwidth: HPF from 0Hz to 600Hz, LPF from 100Hz to 20kHz
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Integrated SWR/power meter (HF)
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Automatic and manual Notch filter
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Switchable AGC (AGC) with adjustable attack rate
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Range map, with the ability to automatically switch modes
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CAT virtual COM port (FT-450 emulation, RTS - PTT, DTR - CW)
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USB operation (audio transmission, CAT, KEY, PTT)
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SWR Graphs
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Spectrum analyzer
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Equalizer TX/RX, reverber
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AGC takes into account the characteristics of human hearing (K-Weighting)
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TCXO frequency stabilization (it is possible to use an external clock source, such as GPS)
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Tangent support Yaesu MH-36 и MH-48
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And other.. (see menu)
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Sensitivity
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<br><a href="https://imgbb.com/"><img src="https://i.ibb.co/1Z7yGWk/2021-11-22-17-33-03.png" alt="2021-11-22-17-33-03" border="0"></a>
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<a href="https://ibb.co/n6djp4J"><img src="https://i.ibb.co/BcWBkvM/photo-2021-04-25-09-53-57.jpg" alt="photo-2021-04-25-09-53-57" border="0"></a>
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