non-return-to-zero


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non-return-to-zero

[′nän ri‚tərn tə ′zir·ō]
(computer science)
A mode of recording and readout in which it is not necessary for the signal to return to zero after each item of recorded data. Abbreviated NRZ.
References in periodicals archive ?
1, it is a 39.813 Gbit/s (STM-256 without forward error correction) 4 channel WDM transmission system with non-return-to-zero encoding technique and binary differential phase-shift keying modulation format.
Non-return-to-zero (NRZ) encoding is used for data transmission to assure high noise immunity and compact messages with a minimum number of signal transitions.
The CV-MCU2 combines the features of both conditioned diphase modems and fiber-optic modems, and offers a conversion to and from non-return-to-zero protocols.
It will also interface with up to 8 balanced Non-Return-to-Zero groups at rates up to 2048 Kbps.
Due to the non-return-to-zero (NRZ) modulation methods used in these systems and the high frequency performance needed to support the desired data rates, RF/microwave components must operate over an extremely broad frequency range.
The new results expand imecs iSiPP device portfolio to support 50Gb/s non-return-to-zero (NRZ) lane rates, and are an important milestone for the realization of high data rate silicon integrated optical interconnects targeting high density, high bandwidth, low power telecom and datacom transceivers, as well as for low cost large volume applications such as sensors or LiDAR.
The KPRV2022 differential photoreceiver has an optical-to-electrical bandwidth of 33 GHz with a differential conversion gain of 1,000 V/W and is optimized for high sensitivity non-return-to-zero (NRZ) applications.