TEA2028B Datasheet | STMicroelectronics

DESCRIPTION The TEA2028B is a plete (horizontal and vertical) deflection processor with secondary to primary SMPS control for color TV sets. DIP28 (Plastic Package) ORDER CODE : TEA2028B SAFETY INPUT VIDEO INPUT H. SYNCHRO CAPACITOR (tip level) VIDEO IDENTIFICATION CAPACITOR MUTING + 50/60Hz IDENT. OUTPUT V.C.R. INPUT PHASE PARATOR Φ1 CAPACITOR GROUND SUBSTRAT .. 2028B-01.EPS FRAME SYNCHRO ADJ USTMENT CAPACITOR V.C.O. INPUT V.C.O. OUTPUT V.C.O. 90° REF. PHASE PARATOR Φ2 CAPACITOR STARTING AND SAFETY CAPACITOR August 1993 1/9 .. 2/9 BLOCK DIAGRAM 50/60Hz MUTING OUTPUT VCR SWITCHING INPUT 503k Hz SUBSTRAT GROUND 24 23 19 18 22 21 20 SUBST VCR INPUT H. SYNC ϕ1 DET 27 VIDEO IDENTIFICATION ϕ1 INHIBITION TIME CONSTANT SWITCHING HORIZONTAL SYNCHRO AND FRAME SYNCHRO VCO 500k Hz VIDEO INPUT 2µs SAFETY INPUT HORIZONTAL LOGIC TIMING ϕ2 50/60Hz FRAME TIMING IDENTIFICATION LOGIC LINE MONOSTABLE V R 1.26V 3.3k Ω V R...