Title :
Color Signal Distortions in Envelope Type of Second Detectors
Author :
Loughlin, Bernard D.
Author_Institution :
Hazeltine Res. Corp., Little Neck, N. Y.
Abstract :
When an NTSC color signal transmission is detected by an envelope type of second detector, several distortion components can be produced. In saturated color areas the detected luminance signal may be lower than the intended level, and additionally a 920-kc color-sound beatnote may result.
Keywords :
Amplitude modulation; Distortion; Envelope detectors; Frequency; Helium; Signal detection; TV broadcasting; TV receivers; Telegraphy; US Department of Transportation;
Journal_Title :
Broadcast and Television Receivers, IRE Transactions on
DOI :
10.1109/TBTR2.1957.4502976