KA2198BD

KA2198BD RGB ENCODER FOR PAL/NTSC RGB ENCODER FOR PAL/NTSC The KA2198BD is a monolithic circuit designed for RGB encoder of video system. This device provides encoding system of PAL and NTSC video signal. The KA2198BD contains matrix of R-Y/B-Y, modulator, pulse generator, regulator, built in BPF of chroma and delay line of luminance, Y/C output using S-VHS system. It is suitable for video equipment. 24-SOP-300 FUNCTIONS Regulator Mixer of R-Y, B-Y Modulator Pulse generator (ECL circuit) Audio buffer Clamp circuit Y-TRAP filter BPF & D.L circuit Y/C output driver ORDERING INFORMATION Device Package Operating Temperature KA2198BD 24-SOP-300 -20°C~+65°C FEATURES Lower operating voltage : VCC = 5V Stabilized bias condition in regulator Abailable PAL/NTSC system Included 75 ohm driver ( RGB output, composite video output, Y/C output) External fsc ( color sub-carrier) Include BPF & delay line Audio buffer circuit R-Y, B-Y modulator Available S-VHS High frequency response of luminance BLOCK DIAGRAM 24 22 22 21 20 19 18 Y/C MIXER 17 16 Y OUT 15 C OUT 14 13 Vref R , G , B O U T P U T VIDEO OUTPUT D.L BPF SYNC. ADDER MATRIX R-Y MODULATOR C A M P B-Y MODULATOR PHASE CONTROL R,G,B CLAMP A U D I O B U F F E R SYNC. IN 1 2 3 4 5 6 7 8 9 10 11 12 KA2198BD PIN CONFIGURATION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 (note) DESCRIPTION GND1 R INPUT G INPUT B INPUT N.C fsc INPUT NTSC/PAL SW AUDIO IN AUDIO OUT COMPO...