{"id":18073,"date":"2016-04-03T13:32:41","date_gmt":"2016-04-03T17:32:41","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=18073"},"modified":"2016-04-03T13:32:41","modified_gmt":"2016-04-03T17:32:41","slug":"lrn-precision-introduces-two-new-qrp-transceivers-the-ld-11-and-mtr5b","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2016\/04\/lrn-precision-introduces-two-new-qrp-transceivers-the-ld-11-and-mtr5b\/","title":{"rendered":"LRN Precision introduces two new QRP transceivers: the LD-11 and MTR5B"},"content":{"rendered":"

\"LNR-MountainTopper-LD11-Announcement\"<\/p>\n

LNR Precision announced two new QRP transceivers this weekend: the MTR5B<\/a><\/strong> and LD-11<\/a><\/strong>.\u00a0Below, you can find details I pulled from LNR’s press release and website for both units:<\/p>\n

\"LNR-Precision-LD-11\"<\/p>\n

The LD-11<\/h2>\n

The LD-11 is a new 11-band QRP transceiver based on the LNR’s\u00a0LD-5 transceiver<\/a>. The LD-11 covers\u00a0from the 6 meter band down to the 160 meter band. A new feature on this model is a built-in panadapter. AM\/FM\/SSB and CW modes are all included.<\/p>\n

Here is the description from LNR’s website<\/a>:<\/p>\n

The new LD-11 is 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.<\/em><\/p>\n

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.<\/em><\/p>\n

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!<\/em><\/p>\n

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).<\/em><\/p>\n

Price is $774.99 US<\/a><\/strong><\/p>\n

\"LNR-Precision-LD-11-L-Side\" \"LNR-Precision-LD-11-R-Side\"<\/p>\n

Note:<\/strong> Larry Draughn (AE4LD), President of LNR Precision,\u00a0will be issuing an LD-11 transceiver to me on loan for review. I’m looking forward to putting it on the air.<\/p>\n

What fascinates me about the LD-11 is that, although it’s designed as a ham band-only transceiver, the band edges of the 30 meter ham band can be expanded to include the full 31 meter broadcast band. There are, perhaps, other ham bands that can include nearby broadcast bands as well. \u00a0I will plan to experiment with the band edges.<\/p>\n

\"MTR5B\"<\/h2>\n

The MTR5B<\/h2>\n

The new MTR5B 5-Band Mountain Topper is a fully-assembled 5-band CW transceiver KD1JV designs \u201cSteve Weber\u201d kit. The following are specifications\/features from the LNR website<\/a>:<\/p>\n

40M, 30M, 20M, 17M, 15M<\/em>
\n Size: 4.337″L x 3.153″W x 1.008″T<\/em>
\n Weight: approx 6.4 OZ.<\/em><\/p>\n

Features:<\/em><\/strong><\/p>\n