[hpsdr] Hermes cost

[k5nwa]

I would think if you have a Metis you don't need the Ozy

At 02:03 PM 2/23/2012, Luis Perdomo wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>
>Looking thru the rear window:
>
> From TAPR: Ozy, Atlas, LPU, Metis, Pennylane 
> and Mercury=  $ 1,358 + shipping (for TAPR members)
>
>Now let's look at the Wiki page for Hermes:
>
>
>
>    * Uninterrupted coverage from 50kHz to 54MHz
>    * Transmit and receiver image rejection > 110dB
>    * Full duplex operation, any split over entire 160m to 6m range
>    * Future expansion possible to eight 
> independent receivers using the same antenna
>    * 500mW 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 Blocking Dynamic Range typically about 125dB)
>    * FPGA code can be updated via the 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)
>    * Optional in-built switch mode power supply 
> – less than xxxmA (receive) from a 13.8V supply
>    * I2C bus connector for control of external equipment
>    * Full QSK using the Kiss Konsole software, 
> since digital signal processing is not used in 
> the controlling PC for CW carrier generation
>    * Low-level transmitter output for 
> transverter use (0dBm) as well as 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
>    * 122.88MHz master clock, which can be 
> phase-locked to an internal 10MHz TCXO or external frequency reference
>    * Jumper-selectable external frequency 
> reference, with signal processing, to suit 
> numerous GPS-locked 10MHz reference sources
>    * Direct ribbon cable interface to 
> <http://openhpsdr.org/wiki/index.php?title=Apollo>Apollo 
> 15W power amplifier, low pass filters and 
> automatic ATU or 
> <http://openhpsdr.org/wiki/index.php?title=ALEXIARES>Alex 
> Antenna switch, HPFs and Tx LPFs
>    * Low noise, high efficiency, Switching 
> Power Supply designed by Kjell Karson,LA2NI
>    * Ethernet interface supports fixed, APIP or DHCP IP address
>    * Hermes responds to ping and ARP requests, 
> auto senses Ethernet cable connection and connection speed
>
>Compare that to the commercial radios on any ham radio magazine...
>
>
>I will keep my present setup and get one or maybe two...Hermes
>[]
>
>
>
>73, Luis NZ5U
>Content-Type: image/png; name="328.png"
>X-Attachment-Id: gtalk.328 at goomoji.gmail
>Content-ID: <gtalk.328 at goomoji.gmail>

-- 
Cecil
k5nwa
http://www.softrockradio.org/
http://thepartsplace.k5nwa.com/
http://parts.softrockradio.org/

Never take life seriously. Nobody gets out alive anyway. 
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