Apache Labs Hermes Card

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Hermes Card (Assembed & Tested) 1 year Warranty

Specifications & Highlights:

Continuous, uninterrupted, receive coverage from 10KHz to 55MHz. .
Supports Real-Time display of entire sectrum from 0-55mHz (with suitable PC software)
Supports 7 fully independent receivers (sharing the same antenna - and with suitable PC software)
Each receiver can display 48/96/192kHz of spectrum
Blocking Dynamic Range (ARRL Method) no detectable gain compression
below ADC overload
Transmit and receiver image rejection > 110dB
Full duplex operation, any split over entire 160m to 6m range.
Transmitter two-tone 3rd order IMD of -50dBc on 20m @ 400mW output
500mW RF output on 160 – 10m amateur bands, 350mW on 6m
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)
Can operate from a 13.8v DC supply or 12v and 5v supplies
Jumper selected in-built low noise and high efficiency switch mode power supply designed by Kjell Karson,LA2NI – less than 600mA (receive - one receiver) from a 13.8V supply
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
Direct ribbon cable interface to Apollo 15W power amplifier, low pass filters and automatic ATU
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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