Microtelecom develops and manufactures radio and telecommunication devices for special applications, fast multichannel acquisition systems and signal conditioning electronics for gamma-ray imaging probes. Our Microtelecom technology expertise ranges from analog and RF circuit design to the development of fast acquisition systems, FPGA-based digital signal processing platforms and algorithms for custom applications.
Perseus22 is a 4 channels, direct sampling receiver with a continuous frequency coverage from 10 KHz to 225 MHz and a typical image rejection larger than 70 dB.
All channels are synchronously sampled by an high SNR, 14 bits A/D converter and processed by a software defined digital down converter, implemented on an FPGA, which outputs are routed to the host PC by a USB 3.0 controller, allowing wide-bandwidth IF applications.
The frequency coverage is split-up in 2 groups of channels (two for VLF-HF frequency range, the others for VHF), each one capable of diversity, which can reduce noise in order of tens dB. All channels includes an analog RF frontend equipped with attenuators, preselection filters and amplifiers.
The receiver enclosure is machined from solid aluminium and finished with a fine, non reflecting, black surface treatment.
Perseus is a VLF-LF-MF-HF receiver based on an exceptional direct sampling digital architecture. It features a 14-bit 80 MS / s analog-to-digital converter, a high-performance FPGA-based digital down-converter and a 480 Mbit / s high-speed USB 2.0 PC interface. Being an SDR device, PERSEUS relies on software applications to perform the demodulation process. The software, in addition to providing digital signal processing capabilities, has a simple graphic interface compatible with all major operating systems. Integration with third-party software is provided in various ways, through the Microtelecom Software Defined Radio Developer Kit, virtual audio ports and virtual communication ports.
PERSEUS features the highest level of reception, ideal for shortwave, with exceptional bandwidth monitoring capabilities.
The analog front end has been carefully designed for the most demanding users and includes a 0-30 dB attenuator in 10 dB steps, a 10-band preselector and a high-dynamics preamp with a top-of-the-range cut-off point that exceeds 30 dBm. The resulting dynamics are greater than 100dB in SSB and 105dB in CW.
The PERSEUS receiver can also be used in broadband mode as a spectrum analyzer with a 10 KHz - 40 MHz band and a dynamic range of over 100 dB.
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