SDR Receiver Kit – QRP-Labs

Description

High performance SDR receiver module from QRP-Labs, with I-Q audio output.This is a high performance SDR receiver module, with I-Q audio output. It has 600:600-ohm audio isolation transformers at the output are used to reduce ground loops that often occur in SDR systems. The kit includes one BPF (choice of any band 160m to 10m). This high performance receiver module uses a Quadrature Sampling Detector (QSD), also known as a Tayloe Detector. The mixer is arranged as a double-balanced mixer for maximum performance. The receiver board has a socket for the standard QRP Labs BPF kit. There is a transmit/receive switch onboard. Low noise LM4562 op-amps are used in instrumentation amplifier configuration to provide excellent common mode noise rejection. The receiver requires a local oscillator (LO) input at 4x the receive frequency. This could be generated by the QRP Labs Ultimate3S QRSS/WSPR kit, VFO/Signal Generator kit or ProgRock kit. The audio output of the module is isolated using two 600:600-ohm transformers to reduce or eliminate the ground loop problems which can easily occur in SDR systems. The module is designed to directly drive a stereo input sound-card. For those situations where a PC has only a mono input (many PCs are like this, particularly laptops), there is an optional polyphase network plug-in module kit which cancels the unwanted sideband and produces a single sideband (SSB) output.
Note: Our T&C requires the end-user to comply with all licensing and operating legislation before purchase, including but not limited to ICASA approval.
For more info you can WhatsApp or Telegram or Signal me on 082 573 5580 or 083 974 1345. There may also be more information at LINK>> https://drive.google.com/drive/folders/1tNIrHfLG3frCNIbU5zpUSxukeETT866q?usp=drive_link
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