line frequency

line frequency

[′līn ‚frē·kwən·sē]
(electronics)
The number of times per second that the scanning spot sweeps across the screen in a horizontal direction in a television system. Also known as horizontal frequency; horizontal line frequency.

line frequency

The number of times each second that a wave or some repeatable set of signals is transmitted over a line. See horizontal scan frequency.
References in periodicals archive ?
The power supply will use inductive power line harvesting and a resonant power management approach to improve power density, Dynamically tunable to the line frequency, And employing magnetic field guiding to meet form factor and installation requirements.
The use of line frequency AC input transformers to provide galvanic isolation adds significant size and weight to the product, especially as power levels increase.
The high bulk capacitance is not compulsory, since the voltage ripple across this capacitor at the double line frequency can be attained by closed-loop operation.
A line frequency measurement based on the zero-crossing detection of the voltage signal is given by
ECG signatures are the baseline wander, AC 50 Hz power line frequency, electromyography (EMG) signals and additive Gaussian white noise.
When the 60Hz line frequency current flows through the entire conductor while the HF current flows only on the surface of the conductor, it is called "skin effect.
He described showing the two patterns to 12 friends and family, who did not see similarities, as well as describing the grating line spacing of the two patterns, showing that Crystals had a line frequency of 1207/ in while 3D-24 had 819, thus he established that the two patterns were different in exposure method and in lay-persons' views.
adjustment of the power line frequency as needed to reduce interference effects at calibration frequencies harmonically related to 60 Hz (10).
Older magnetic ballast fluorescent lighting is known to have flicker at twice the AC Mains line frequency (100 Hz/ 120 Hz).
A 24 V peak-peak square wave output is provided that is in sync with the AC line frequency and can be used as a system clock for timing applications.