Personal spectrum recorder

Phase comparing apparatus

Phase locked device with reduced electrical consumption

Phase locked loop calibration

Phase locked loop circuit

Phase locked loop circuit

Phase locked loop tuning system including a prescaler conditione

Photonic switching

Physical layer unit for transmitting or receiving various...

Piezoelectric apparatus for positioning optical fibers

Piezoelectric apparatus for positioning optical fibers

PLL circuit having a low-pass passive filter coupled to a varact

Pluggable terminal architecture

Polarization controlling device comprising a beam splitter for c

Polarization diversity light receiving system using baseband com

Polarization diversity optical heterodyne receiver with phase ad

Polarization diversity optical receiver for coherent optical com

Polarization diversity receiver having little deteriorated sensi

Polarization independent coherent optical heterodyne receivers

Polarization insensitive coherent lightwave detector