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Yamaha YM2413

Known as: OPLL, YM2413 
The YM2413, aka OPLL, is a cost-reduced FM synthesis sound chip manufactured by Yamaha Corporation and based on their YM3812 (OPL2). To make the chip… Expand
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Papers overview

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2018
2018
The generation of a heterodyne carrier frequency via offset-lock in an optical phase-locked loop (OPLL) is a widespread technique… Expand
2007
2007
Quadrature amplitude modulation (QAM) is an excellent modulation format for realizing optical communication systems with a high… Expand
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Highly Cited
2006
Highly Cited
2006
A new discriminator-aided optical phase-lock loop (OPLL) incorporating a frequency down-conversion module to generate a low phase… Expand
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Highly Cited
2006
Highly Cited
2006
An approach to generating a frequency-tripled millimeter-wave (mm-wave) signal based on four-wave mixing (FWM) in a semiconductor… Expand
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2004
2004
A novel sub-carrier based optical phase locked loop (SC-OPLL/spl trade/) is presented and demonstrated. Our method, based on CW… Expand
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2003
2003
We developed a technique for the optical generation of high-purity millimeter-wave signals by synthesizing the outputs from three… Expand
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1998
1998
A packaged diode-laser OPLL sub-system has been constructed for evaluation in a proof-of-concept coherent optical beamforming… Expand
1997
1997
A coherent, optical heterodyne approach to signal generation and beamforming is particularly advantageous in multi-beam mobile… Expand