Return To Zero

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Return To Zero

(communications)
A class of encoding methods for physical circuits in which the carrier (current, voltage) returns to zero after each transmitted bit, i.e. the data is carried in pulse width or polarity, not in the level of the signal.

Contrast NRZ.
References in periodicals archive ?
Its movement features return-to-zero heart piece cams that ensure the counting mechanism is robust and reliable.
The pressure the mount puts on the rail is adjustable, and the mount offers return-to-zero replacement if removed and put back in the same position.
Quickly developing a reputation for perfect return-to-zero, they're available in varying heights for Ruger and CZ rifles.
Alternatively, if the watch is operated while its hands are moving, it activates the return-to-zero (flyback) function, thus enabling a new time interval to be measured immediately without operating the stop and reset buttons.
Our experiment used the carrier suppressed return-to-zero differential quadrature phase shift keying (CSRZ-DQPSK)*1 format and ultra-wide-bandwidth amplifiers.
6 inches, hand-turn reticle adjustments with return-to-zero capability, and a full lifetime warranty make this Prostaff a wise wager when outfitting your next firearm.
If accidental movement or bumping occurs the Return-to-Zero mechanism will automatically re-orient the mount to its original position, eliminating the time required to perfectly re-align the screen.
Rockwell Scientific Company, LCC, a leader in high-performance data converters, announced today the introduction of the RDA012RZ and RDA112RZ, its 12Bit return-to-zero (RZ) digital-to-analog converter (DAC) family.
The new approach reduces size, power and cost by implementing a two-chip return-to-zero (RZ) transmission format solution.
This amplifier is designed for use between multiplexer (MUX) chips and the modulator to amplify non-return to zero (NRZ) or return-to-zero (RZ) signals from 9.
5 gigabits per second (Gbps), while the 2011DZ supports NRZ data rates up to 20 Gbps or return-to-zero (RZ) data rates up to 12.
multiple 10 Gb/s bit streams from Ethernet switches, routers, SONET add-drop multiplexers, optical switches), Enhanced Forward Error Correction (EFEC) technology, and Mintera's (patent pending) Chirped Carrier Suppressed Return-to-Zero (CCS-RZ) modulation on the ultra long haul optical link.