Ses caractéristiques en font un transceiver SDR hors du commun.

Il a actuellement une des meilleures notes sur le site d’évaluation Eham ( ) :

- couverture continue de 10 KHz à 55 MHz

- Amplificateur linéaire 100W avec Mosfet RD100HHF1 (160M-6M)

- jusqu’à 1152 kHz de largeur d’affichage de la bande écoutée

- possibilité d’écoute de 7 bandes simultanément (selon PC et logiciel)

- IP3 de 50dB sans préampli et de 30 db avec préampli de 20 dB

- réjection d’image >110 dB à la réceptioncomme à l’émission

- Dynamic range de 125 dB mini

- liaison haut débit avec le Pc par cable ethernet

possibiloté d’affichage de toute la bande (avec logiciel adapté)

- poids : 4.5 Kg

- etc ...

Specifications & Highlights :

  • Rugged Extruded Aluminum Housing, Weight : 4.5Kgs approx, Dimensions : 265.5mm (W) x 220mm (D) x 80mm (H)
  • RD100HHF1 Mosfet 100W Linear amplifier (160M-6M)
  • Combination of 7 LPF and 5 HPF Banks for front end Filtering (User Configurable as well)
  • 6M LNA
  • Software Configurable Triple antenna ports
  • SWR Bridge, enables Forward and Reverse Power plus SWR to be displayed using suitable PC software.
  • T/R, LPF Switching using mechanical relays (gold plated contacts)
  • Reverse Polarity protection with resettable fuse
  • All cables, Hardware and instructions to make a complete transceiver with Hermes
  • Continuous, uninterrupted, receive coverage from 10KHz to 55MHz.
  • Supports Real-Time display of entire sectrum from 0-55mHz (with suitable PC software)
  • Supports 2 fully independent receivers (sharing the same antenna - and with suitable PC software)
  • Each receiver can display 48/96/192/384/1152kHz of spectrum
  • Blocking Dynamic Range (ARRL Method) no detectable gain compression
    below ADC overload
  • Transmit and receiver image rejection > 100dB
  • Transmitter two-tone 3rd order IMD of -31dBc on 20m @ 100W PEP output
  • 100W RF output on 160 – 6m amateur bands
  • Built-in high performance preamp, with a noise floor typically -135dBm in 500Hz
  • Software-selectable 31dB input attenuator in 1dB steps
  • High performance receiver – same specifications as the HPSDR Mercury receiver (ie Dynamic Range typically 125dB)
  • FPGA code can be updated via the Industry Standard TCP/IP network Ethernet connection
  • Seven user-configurable open-collector outputs, independently selectable per band and Tx/Rx (for relay control, etc - with sequencing via PC code)
  • Separate open-collector PTT connection for amplifier control, etc, with sequencer
  • Microphone PTT jumper-selectable from tip or ring connection
  • Bias for electret microphones via jumper
  • Four user-configurable 12 bit analogue inputs (for ALC, SWR etc)
  • Three user-configurable digital inputs (for linear amplifier over temperature, etc)
  • I2C bus connector for control of external equipment
  • Full QSK operation (performance dependant on associated PC and control software)
  • Low-level transmitter output for transverter use via user-selectable output attenuator
  • Stereo audio outputs at line and headphone levels
  • In-built 1W stereo audio amplifier for directly driving speakers
  • Direct, de-bounced connections for a Morse key (straight or iambic) and PTT
  • Low phase noise (-137dBc/Hz @ 1kHz) 122.88MHz master clock, which can be phase-locked to an internal 10MHz TCXO or external fequency reference
  • Low phase noise (-140dBc/Hz @ 1kHz at 14MHz) 122.88MHz master clock, which can be phase-locked to an internal 10MHz TCXO or external frequency
  • Industry Standard TCP/IP network Ethernet interface supports static, APIPA or DHCP IP address
  • Hermes responds to ping and ARP requests and auto senses network connection speed
  • Eight (8) Layer PCB design for the most professional, state-of-the-art, design available.
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