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Airspy HF Plus Discovery High Peformance SDR Receiver


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Airspy HF Plus Discovery High Peformance SDR Receiver

Airspy HF+ Discovery achieves excellent HF performance by means of a low-loss preselection filter, high linearity LNA, high linearity tunable RF filter, a polyphase harmonic rejection (HR) mixer that rejects up to the 21st harmonic and multi-stage analog and digital IF filtering.

The 6 dB-stepped AGC gain is fully controlled by the software running in the DSP which optimizes the gain distribution in real time for optimal sensitivity and linearity. Harmonic rejection is a key issue in wide band HF receivers because of the large input signal bandwidth of the input signal.

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Rediscover HF with the new!

Building on the proven Airspy HF+  architecture, Airspy have designed the Most Refined HF/VHF SDR with world class performance in the smallest form factor.

The Airspy HF+ Discovery sets a new standard in terms of reception performance with extra pre-selectors for all the supported bands and a New DSP Core to optimize the gain distribution and the filtering parameters in real-time and dig deeper in the noise.

The signal path includes very high dynamic range data converters along with high performance passive mixers with an excellent Polyphase Harmonic Rejection structure. The included band-tracking pre-selectors eliminate unwanted interference and preserve the dynamic range of the receiver. With its world class strong signal handling capability and incredibly Low Noise, the HF+ Discovery is the ideal companion for All your High Performance Receive Scenarios.

Both the architecture and level of integration achieved in this design allow Airspy to bring top performance reception at a very affordable price.

Key Features

  • HF coverage between 0.5 kHz - 31 MHz

  • VHF coverage between 60 - 260 MHz

  • -140.0 dBm (0.02 µV / 50 ohms at 15MHz) MDS Typ. at 500Hz bandwidth in HF

  • -141.5 dBm MDS Typ. at 500 Hz bandwidth in FM Broadcast Band (64 – 118 MHz)

  • -141.0 dBm MDS Typ. at 500 Hz bandwidth in VHF Aviation Band (118 – 260 MHz)

  • +15 dBm IIP3 on HF at maximum gain

  • +13 dBm IIP3 on VHF at maximum gain

  • 110 dB blocking dynamic range (BDR) in HF

  • 95 dB blocking dynamic range (BDR) in VHF

  • 150+ dB combined selectivity (hardware + software)

  • 120 dB Image Rejection (software)

  • Polyphase Tracking filters for close range interference suppression

  • New High Performance Pre-selector for HF with 4 filter banks (corners at ~DC, 5, 10, 17 and 31 MHz)

  • New High Performance Pre-selector for VHF (Air, HAM, Commercial and Military VHF)

  • New High Performance Pre-selector for the FM band (Japan, US, EU, OIRT)

  • Up to 660 kHz alias and image free output for 768 ksps IQ

  • 18 bit Embedded Digital Down Converter (DDC)

  • 22 bit Resolution at 3 kHz channel using State of the Art DDC (SDR# and SDR-Console)

  • +10 dBm Maximum RF input

  • 0.5 ppm high precision, low phase noise clock

  • 1 PPB frequency adjustment capability

  • Very low phase noise PLL (-110 dBc/Hz @ 1kHz separation @ 100 MHz)

  • Best Noise reduction of the market using state of the art algorithms

  • 2 x High Dynamic Range Sigma Delta ADCs @ up to 36 MSPS

  • Single RF Input to cover all bands with High Linearity switching

  • Improved input matching down to virtually DC

  • Smart AGC with real time optimization of the gain distribution for Best SNR in all situations

  • No drivers required! 100% Plug-and-play on Windows Vista, Seven, 8, 8.1 and 10

  • Industrial Operating Temperature: -45°C to 85°C

  • Ultra small Form Factor: 45 x 60 x 10 mm

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