[VHFcontesting] New 4 Meter & 6 Meter SSB/CW Transceiver

[Les Rayburn]

DUBUS Magazine also carried the announcement of a new 4 Meter and 6 
Meter SDR/hybrid transceiver that is coming to market soon. Obviously, 
not type accepted in the US, and we don't have access to the 4 Meter 
band at this point. But interesting. The new Icom IC-7100 mobile rig 
offers 4 Meters as well but only in the European version.


  Noble Radio NR-6N4 Two Band VHF Transceiver

Preliminary Technical Specifications*

*1. RECEIVER SPECIFICATIONS*

Frequency Coverage:
4M: 69.9 MHz to 70.5 MHz
6M: 50.0 MHz to 52.0 MHz
Modes: SSB (USB & LSB) and CW

Circuit Type:
Downconverting Design
Dual Conversion: 1 st IF: 10.7 MHz 2 nd IF: 25 kHz
Sideband elimination using phasing techniques with digitally generated 
Quadrature carriers and Image Reject Mixers preceeded by 15 kHz crystal 
roofing filters
Ultimate receiver bandwidth set by adjustable SCAF filters (two 8 th 
order filters used. One for High Cut and one for Low cut)

Sensitivity:
MDS = -130 dbm

Dynamic Range Figures:
Blocking: 110 db
IMD (3 rd Order) = 95 db

Selectivity:
500 Hz to 4 kHz adjustable with the SCAF filters
Ultimate attenuation of filters are 55db or better

*2. TRANSMITTER SPECIFICATIONS*

Frequency Coverage:
4M: 69.9 MHz to 70.5 MHz
6M: 50.0 MHz to 52.0 MHz

Modes: SSB (USB & LSB) and CW

OUTPUT POWER: 20 Watts CW or PEP SSB

SCAF Filters can be used to tailor SSB Transmit audio.

*3. GENERAL SPECIFICATIONS*

SYNTHESIZER: DDS/PLL synthesizer with 10 Hz minimum step size. Tuning 
rate is variable depending on the Tuning Knob speed (Variable Speed 
Tuning - VST)

MEMORIES: 10 Memories per band

ANTENNA IMPEDANCE: 50 ohms unbalanced

SUPPLY VOLTAGE: 11.5 to 14 Volts Regulated DC (Negative Ground) at 
approximately 3.6 Amps at full output power.

DIMENSIONS: 8 in (203 mm)W x 12 in (305 mm) D- including knob and 
heatsink x 3.75 in (95 mm) H - including feet

WEIGHT: Approximately 4 lbs (1.8 kg)

*4. SPECIAL FEATURES*

The NR-6N4 has the capability of being controlled by a standard PC type 
keyboard that plugs into a rear connector. Once a keyboard is interfaced 
to the radio, it can be used to directly enter a frequency, skip 
directly to various functions by a single press of a function key 
without having to navigate the menus from the front panel buttons as 
well as being used to send CW via the keyboard. There is also a built in 
keyer function that operates with a standard keyer paddle for CW 
operation with or without a keyboard connection.

The low level 10.7 MHz IF signal is also brought out to a rear connector 
so that it may be used for panadapter or SDR applications.

/* All specifications in this document may be subject to change without 
notice or obligation/

The price is expected to be around 800 Euros. or around $1,086 in USD.

Visit their website at
www.nobleradio.eu <http://www.nobleradio.eu>


-- 
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73,

Les Rayburn, N1LF
121 Mayfair Park
Maylene, AL 35114
EM63nf

6M VUCC #1712
AMSAT #38965
Grid Bandits #222
Southeastern VHF Society
Central States VHF Society Life Member
Six Club #2484

Active on 6 Meters thru 1296, 10GHz & Light