MB1 PRIME High End DUC/DDC Transceiver
Out of stock
The MB1 transceiver is a game changer, it’s a transceiver and a PC in a single package. It has a classic design, developed over several decades, with the most advanced DUC/DDC SDR technologies – Direct Down Conversion (DDC) and Direct Up Conversion (DUC) and a fully featured high-end personal computer with an Intel Core i7 processor on board.
Latest production run includes an updated mother board,  I7-9700 CPU, 16GB DDR4 RAM, 500 GB SSD. TX IMD3 has been improved with up to 7 dB! (See updates below colorised in red).
Scroll down to see the video presentation, specifications and to download a brochure.
Read our blog series about the MB1 here.
7,958 $
Out of stock
MB1 Prime FeaturesÂ
These are the latest upgrade differences.
- GA-IMB310TN motherboard
- Intel Core i7 9700 T
- 16GB DDR4 RAM
- 500 GB Samsung 970 EVO SSD
- Improved TX IMD3 up to ~37 dB across all HF bands, with 100W output power
MB1 Features
- Independent RX path based on DDC (Direct Down-Conversion) architecture
- Independent TX path based on DUC (Direct Up-Conversion) architecture
- 2 software RXs + SubRX for each of them (4 slices total) + independent wideband Bandscope up to 80 MHz
- ExpertSDR2 software in two styles: Desktop style and MB1 display (for integrated GUI)
- Remote control operation, using it, you connect PTT and CW-key to the E-Coder panel. Microphone and E-Coder are connected to the remotely set up PC
- TCI interface for seamless connection with third-party software like SDC (with its own Skimmer), LogHX, SWISSLOG and RUMlog, more are coming
- Professional TX processing module provides the most advanced tuning capability for voice operation
- High-quality IPS 7″ touchscreen display with a 1280×800 resolution
- Supports any software applicable for Windows 10 OS
- ExtCtrl connector to control external devices with 8 powerful keys with open collector
- COM-port for connection of external devices, like PA, antenna switches etc.
- ALCÂ connector for external power amplifiers*
- Has a special XVTR connector for VHF transverters** (SMA connector)
- 4 separate programmable PTT outputs for external power amplifiers
- An opportunity to use the transceiver as a signal generator via DAC OUT connector (SMA connector)
- An opportunity to use external filters in the middle of the RF path, using RX IN and RX OUT (SMA connector)
- Small delay in CW mode (about 10 ms)
- Input for external 10 MHz reference oscillator
- An opportunity to use the transceiver in SO2V mode
- Full duplex or half duplex modes***
- 4 HF (UHF (SO-239) connector) and 2 VHF (N-type connector) antenna connectors
- Internal power-meter for HF and VHF bands and SWR-meter for HF band
- Record and play on air fragments (IQ files) with a bandwidth of up to 312 kHz
- Internal ATUÂ (Automatic Tuner Unit)
- The embedded power supply unit
* ** *** These functions are supported by the transceiver’s hardware, but is not implemented in the ExpertSDR2 software. They will be supported in the future ExpertSDR2 software releases.
MB1 PC capabilitiesÂ
- Installation of digital modes software
- Installation of HAM and Contest logs
- Two CW Skimmers may be used on different bands
- The transceiver can connect to the LAN and the Internet
- Use of Internet applications (e.g. e-mail, Skype, ICQ, TV, etc.)
- Play video and audio files
- Watch TV via USB-receivers
- An opportunity to connect two external displays, keyboard, mouse
- An opportunity to connect external speakers to the PHONES jack on the front panel
MB1 Applications
- Full-function radio amateur transceiver
- Mobile contest-station
- Remote receipt point for the contests and other applications
- Spectrum analyzer with the bandwidth up to 80MHz
- Work with the external programs of digital connection types, CW Skimmer, etc.
MB1 Block Diagram
ExpertSDR2 Software
A version of ExpertSDR2 software with adapted GUI for 7″ display was specially developed for the MB1 transceiver. At the present time software works in RX/TX mode and supports two independent receiving channels with the bandwidth up to 312 kHz. A DSP library developed by company Expert Electronics allowed improvement of receiving quality and higher the stability of the software.
MB1 PRIME Specifications
| RF ADC, bit @ MHz | 16 @ 160 |
| ADC type | LTC2209 |
| RX Frequency range, MHz | 0.1…65; 95…155 |
| Independent software receivers | 2 + 2 SubRX |
| Sample rate, kHz @ bit | 39; 78; 156; 312 @ 24 |
| Bandscope, MHz | 80 |
| RX HF filters, MHz | LPF: 65 or 9 x BPF |
| RX VHF filters, MHz | WideRX: 95-155 or SAW filter for 2M: 144-148 |
| BDR on HF, dB | 130 |
| BDR on VHF, dB | 114 |
| Sensitivity, uV | 0.2 |
| DR IMD3, not less dB | 98 |
| RMDR, dB | 110 |
| ATT/Preamp, dB | -20; -10; 0; +10 |
| VHF LNA, dB | +22 |
| RF DAC, bit @ MHz | 14 @ 640 |
| TX Frequency range, M | All amateur bands 160-6; 2 |
| Output power on HF, W | 100 |
| Output power on 6M, W | 50 (up to 60) |
| Output power on VHF, W | 50 |
| TX IMD3, dB | 25-37 on HF/VHF |
| Local oscillator TCXO, MHz +/- ppm | 20 +/- 0.5 |
| External 10 MHz oscillator input | + |
| Built-in audio codec, bit | 24 |
| RF input/output | 4HF (SO 239) 2VHF (N-type) 1XVTR, ADC IN, DAC OUT (SMA) |
| Built-in PC (Prime version) | Windows 10 OS Motherboard – GA-IMB310TN CPU: i7-9700T* RAM: 16 GB DDR4* SSD: Samsung 970 EVO 500 GB* IPS 7″ 1280×800 touchscreen display |
| AC voltage range, V, Hz | ~100…240; 50…60 |
| Power consumption RX/TX, W | 320 |
| Operating temperature, °C/°F | 0…+50/ +32…+122 |
| Dimensions L x W x H, cm/inches | 32.5 x 28.5 x 15.0/ 12.6 x 9.84 x 5.51 |
| Weight, kg/lbs | 9.3/ 22 |
Specifications are subject to change without notice or obligation and specifications are only guaranteed within the amateur radio bands.
* December 2020 production batch improvements!
In the Box
- PTT-microphone MD15
- Power Supply Cable to connect the transceiver to an AC mains network
- Backup fuse 5A
Optional Accessories
MB1 Video Review by Pascal VA2PV
| Weight | 14 kg |
|---|---|
| Dimensions | 55 × 49 × 39 cm |
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