TECHNIWAVE has in development a family of RF Transceiver for Mobile Backhaul. Due to the spectacular growth in wireless data traffic, telecom companies need to deploy multi-gigabit backhaul links. Solutions using wireless backhaul in the E-band (71-76 and 81-86GHz) will open up 10GHz frequency range. This enables datarates > 1Gbit/s for video and data service.
Those compact sub-systems integrate all RF blocks, like Power Amplifier (PA), Low Noise Amplifier (LNA), direct mixing with analog differential I-Q interfaces, baseband filters, receiver gain control, adjustable Tx Gain and output power and frequency synthesizer. A µstrip to Waveguide transition have been optimized to achieve minimum losses behind the antenna. A duplexer is mounted directly on transceiver mechanics to achieve a low noise factor.
Complete radio transceiver
23 dBm Output Power
5 dB Low Noise Factor
Direct analog differential I-Q modulation
Complex modulation schemes (64-QAM)
Low loss µstrip to waveguide transition
Microwave duplexer cavity filter integrated in transceiver mechanics
§ E-band Rx / Tx Front end
· Direct IQ Modulation
· K Band Local Oscillators
· Integrated cavity duplexer
P1dB Tx > 20 dBm, IP3 Tx > 30 dBm
NF < 5 dB
Phase Noise of Local Oscillators :
-65 dBc/Hz @ 10 KHz,
-95 dBc/Hz @ 100 KHz,
-105 dBc/Hz @ 1 MHz
Power Consumption : 6V/1.5A
Compact 100 x 100 x 20 mm mechanics
TECHNIWAVE has been successfully selected for a collaborative project including leading companies and research centers, such as III-V lab, XLIM, EGIDE, CNRS, UMS,... for a 3 years program (VeGaN) dedicated to communications in Ka, Q and E bands using advanced GaN technologies.
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