square wave

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square wave

n
(General Physics) an oscillation, for example in voltage pulse, that alternates between two fixed values with a negligible transition time between the two, giving a rectangular waveform
References in periodicals archive ?
Supramaximal (50mA) squarewave TOF stimulation was delivered to the ulnar nerve via surface electrodes.
For a simple squarewave, each cycle only crosses a particular reference level in the positive direction at one point.
SATURDAY, JUNE 5 * Ross Pearson, Chris Scanlon, Simon Barrass, Jimmy Howes, Fallen Phoenix, Calling Autumn, Squarewave, Femme Fatale, Carmella Rox, Mannequin Attic, Filthy Porters, Vinyl Vaults and The Feedbacks -Princess Alice.
Ultrasonic features include a Spike and Squarewave pulser, Rep Rates from 10Hz to 5KHz auto and manually adjustable, full tuned filtering, 5 damping levels, DAC, RF/+/-/FW rectification, Filled/Hollow display, IP & IF Gating, IP or IF Sync, (+to+), (+to-), (-to+) and (-to-) triggering, Peak Echo Hold, Weld Trig and more.
Incorporating three 32-bit microprocessors and external storage ot up to 8 GB utilizing a removable SD Flash Card, its ultrasonic features include a spike and squarewave pulser, rep rates from 10 Hz to 5 KHz auto and manually adjustable, full tuned filtering, five damping levels, DAC, RF/+/-/FW rectification, filled/hollow display, IP and IF Gating, IP or IF Sync, (+to+), (+to-), (-to+) and (-to-) triggering, Peak Echo Hold, Weld Trig and more.
3V DC Output Logic/ CMOS squarewave HCMOS Signal Other Specs Load: T1220: 15 pF; * Rise/fall time (10% to 90% T1221: 10 pF/10 k[ohm] of of supply voltage); 4 nSec * Symmetry (50% of waveform): 40%/60% (45%/ 55% optional) * Start-up time: 10 mSec.
The Dynasty 350 features independent amplitude/amperage control, extended balance control, AC frequency control, and AC waveforms control--advance squarewave, soft squarewave, sine wave, and triangular wave.
Now this waveform (d) is added to the negative part of the squarewave (b) generated from Q1 by Opamp Q2 which is used as an inverting summing amplifier to obtain waveform (c).
The compact optical incremental encoder design is available with two channel quadrature TTL squarewave outputs.
The compact, optical incremental encoder design is available with two-channel quadrature TTL squarewave outputs, as well as an optional index output for many resolutions.
The Dynasty 200 features advanced squarewave technology that can increase travel speeds by more than 20 percent; prevents the burn-through and warping that might occur on thin material; and ensures better penetration at the root.
We're working toward an 81-unit fleet where all machines feature Miller's squarewave technology, either the new Syncrowave 250 DX for our bicycles or the Syncrowave 350 LX for motorcycles and new ATV line.