We will be able to see a brand new addition from LNR Precision at the FDIM and the Hamvention events this year !
A great addition from this company. A direct conversion transceiver.
The new LD-11is Digital Direct Conversion, SDR type, build-in CPU (SM32a) DSP radio in which RF signals are directly converted to a digital data via differential and balanced A/D converters. This enables direct sampling with extremely low phase and floor noise.
The DSP is unique and features two independent channels. It also employs a unique differential algorithm within the software which is applied for IQ processing of the channels with phase suppression of the unwanted side-band channel.
The balanced ADC and DAC gives additional noise floor reduction and the receiver can handle interfering signals that are 100 dB stronger than the desired signal at a frequency separation of 10 kHz, and is about 130 dB stronger at 50 kHz separation. As the receiver and transmitter are using the same DSP channel, there is no gap between the receiver performance and the transmitter performance. Thus, there is a clean neighborhood on the bands. At the development stage, our intentions were motivated by the TX side-band noise of existing SDR manufacturers, so our aim was to fully equalize our transmitter to have noise performance that is compatible with the best modern receivers, or even better. After a arduous year of development , we think we achieved it!
This 11+ band radio is based on the LD-5, which has proven to be one of the most exciting QRP transceivers introduced in the last few years. Quite frankly, the performance rivals high end units offered by other manufactures at a much lower price point. Our motto is that we make QRP transceivers that you will want to take out in the field (without fear of breaking the bank).
|Input Power:||11.5-14.8 VDC|
|Output Power:||5 – 8W|
|Measurement:||SWR and Power:Numbers or Bar indicators on display|
|Supply Voltage:Real voltage on display|
|Two Modes CW:||Select Straight Key or Paddle (built-in Iambic)|
|Receive sensitivity:||0.15uV w/o preamp|
|Ant Preamp:||+16 dB|
|Spurious Response Rejection:||IMD3 -48Db/ 5W|
|Frequency Range:||1800 kHz – 29.990 MHz HF +50-54MHz
160, 80, 60, 40, 30, 20, 17 and 15, 12, (11), 10, & 6 meter all mode operation
|Modes:||USB, LSB, CW, CW-R, DIGITAL DATA:CAT –USB jack : CW, PSK, RTTY, SSTV – 3.5mm jack|
|PAN mode:||Easy to Find quiet port +/- 24kHz from main frequency.|
|Power:||5W output in CW / SSB|
|Frequency Stability:||+/- 3 ppm (Si570 defined) typical over 0-50 deg C|
|Supply Voltage:||10.5V min to 15V max 350mA receive and 1.5 to 2A typical in transmit|
|LO temp. Stability:||+/- 2.5|
|Antenna:||50 ohms BNC|
|Memory:||100 memory storage per band Memorize frequency, mode, VFO’s|
|Built-in speaker:||8 ohms, .5 watts|
|Dimensions:||4.724”L X 3.937”W x 1.957“H|
|Iambic key:||Mode A and Mode B|
|Pitch CW:||Controls CW offset. The sidetone pitch is automatically set to equal the offset|
|Notch Filter:||Automatic Heterodyne filter for SSB from -6 to -40 db|
|Noise reduction:||Level of attenuation of the noise from 1 to 50- use minimal necessary|
|Noise Blanker:||Adjusted in the range from value 4 to 12 readings depending on interference|
|CW VOX:||Break in delay in CW – adjustable from 0.1 seconds to 5 seconds|
|CW memory keyer||Choose Iambic Mode A or B|
|VOICE VOX||VOX Delay adjustable from 0.1 seconds to 5 seconds|
|SSB VOX Level:||VOX GAIN 10-100 10 IS MOST SENSITIVE|
|SSB EQ 3 band||Bass, treble, middle audio boost on transmit – up to environment|
|8 Different filters (incl):||4 of 4 for CW/ SSB – 1-3 factory presets – No.4 adjustable for CW/50-1000Hz/ and SSB/250-3.6KHz|
|SSB TX MUTE||Enable= no monitor Disable= monitor|
|No QSK||Maximum switching delay is 12mS and digital delay is
I will take a serious look at it at the vendors evening night at the FDIM!
At 779.99$ USD, it could be an excellent value for the money. More information will be available later.
Jeff | VA2SS