Local Oscillator
A Differential K-Band UWB Transmitter for Short Range Radar Application with Continuous Running Local Oscillator
... Abstract—The design of a differential K-band UWB (Ultra Wideband) Short Range Radar (SRR) transmitter in 90 nm bulk CMOS is presented. Implementation of SRRs in deep submicron CMOS technology is attractive, in terms of ...
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High Performances Local Oscillator Signal Driver for 60 GHz I\Q Systems in 65nm CMOS Technology
... drives local oscillator (LO) signal generated by a voltage controlled oscillator (VCO) in the transceiver system, which is based on I and Q ...
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Optical Breadboard Integration of a 3.5-THz Quantum-Cascade Laser Local-Oscillator for the LOCUS Atmospheric Sounder
... QCL local-oscillator, waveguide and feedhorn within a space- qualified cooler, and installed these within an “elegant breadboard” system containing a demonstration of the fore-optics for the LOCUS ...
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Pilot-assisted intradyne reception for high-speed continuous-variable quantum key distribution with true local oscillator
... ‘in-line local-oscillator’) approach, however, requires for the LO to be jointly transmitted with the quantum sig- nal which not only severely limits the total LO power available at the receiver (due to ...
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Wireless And Wireline Data Distribution Using Single Local Oscillator On A Multi-Band Radio-Over-Fiber System
... In this work, we propose a multi-band signals generation technique with frequency doubled millimeter wave signal using a single local oscillator (LO) on a bidirectional Radio-over-Fiber (RoF) system. At ...
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Design of Local Oscillator Circuit for FINFET and SET
... ring oscillator is being developed and the model file for FINFET is downloaded from the internet and being included in the ...of oscillator, which include integration of three inverter based on FINFET ...
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Diode mixers with optical local oscillator injection
... employing optically pumped and equivalent (same conversion loss, bias, etc. ) electrically pumped tunnelling contact mixers. optically pumped mixer, 5004A average phot[r] ...
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Analysis and Design of 2×4 90° Crystal Space Optical Hybrid for Coherent Optical Communication
... and local oscillator beams to produce four mixed beams with relative phase shift of 0°, 90°, 180° and 270°, which is convenience to process the subsequent coherent detection information, and its performance ...
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Phase noise influence in coherent optical DnPSK systems with DSP based dispersion compensation
... Abstract: We present a comparative study of the influence of dispersion induced phase noise for n-level PSK systems. From the analysis, we conclude that the phase noise influence for classical homodyne/heterodyne PSK ...
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The status of GEO 600
... Such an ‘output mode cleaner’ has been designed for GEO 600, roughly following the design of one for the VIRGO interferometer. 31 It is a triangular ring cavity of 10 cm round trip and finesse about 30 designed to be ...
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Highly Integrated Miniature-Sized Single Sideband Subharmonic Ka-Band Up-Converter
... as local oscillator (LO) amplifier, single sideband subharmonic mixer, LO bandstop filter, and three-stage RF amplifier, are integrated into a single ...
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Design of a Broadband Frequency Offset Van Atta Array
... Received signal of Van Atta array is reradiated by the antenna pairs in which each pair is connected by the transmission lines with equal length. Since the Van Atta array does not need the local oscillator ...
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Research, Design and Fabrication Microwave Modules of Receiver for NanoDragon satellite at S band
... Abstract: In the paper, the new microwave modules of NanoDragon satellite’s receiver were designed and fabricated. Purpose of this design is not only reduce budget but also respond to frequency requirement, bandwidth and ...
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A CDMA2000 Zero IF Receiver with Low Leakage Integrated Front End
... As a full duplex system, one of the key challenges that CDMA2000 presents is dealing with signal leakage from transmit to receive paths; at the present state of the art, separate transmit and receive chips are the rule ...
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Reserch on the Coherent Phase Noise of Millimeter-Wave Doppler Radar
... 4. Zhang, Y. H., Y. Fan, and Z. D. Wu, “Phase noise in millimeter wave phase-locked loop with mixer,” International Journal of Infrared and Millimeter Waves, Vol. 28, 299–304, Mar. 2007. 5. Grebenkemper, C. J., ...
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Practical Security of the Continuous Variable Quantum Key Distribution with Locally Generated Local Oscillators
... the local local oscillator (LLO) is confronted with new security problems due to the refer- ence pulses transmitted together with quantum signals over the insecure quantum ...
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Measuring strain using microwave energy
... The local oscillator (or reference) resonator is arranged so its cavity is subjected to minimal strain, and its coupling probes are arranged to have the least sensitivity to any strain that may occur, so it ...
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Satellite Link Design: A Tutorial
... and local oscillator form a frequency conversion stage that down-converts the radio frequency signal to a fixed intermediate frequency (IF), where the signal can be amplified and filtered ...
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“Flourishing Age No 2” Internet Radio
... band local oscillating electric circuit, and the C7 (120 P) is a cushion capacitor, and this is the ...the local oscillator circuit higher than the input circuit fre- quency 465 KHZ, CC and L2 ...
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Performance Analysis of FSO Link Using OVSB Modulation Based On Coherent and Direct Detection OFDM
... Figure 6 shows the receiving section of FSO link using OVSB based on coherent detection OFDM. This is similar to the direct detection receiver section. The only difference is that it contain the coherent detection ...
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