EESchema Schematic File Version 1 LIBS:power,power_supply,radio_tv,digital_logic,atmel_avr,common_devices,conn_gen,./video_overlay.cache EELAYER 23 0 EELAYER END $Descr A4 11700 8267 Sheet 4 5 Title "Video Overlay - Video" Date "14 dec 2007" Rev "0.2" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr NoConn ~ 8200 1800 $Comp L 744051 U12 U 1 1 4761748E P 5600 6150 F 0 "U12" H 5600 6850 60 0000 C C F 1 "744051" H 5600 5450 60 0000 C C 1 5600 6150 1 0 0 -1 $EndComp Wire Wire Line 8550 5650 8300 5650 Connection ~ 4800 2000 Wire Wire Line 4300 2000 5250 2000 Wire Wire Line 8750 1600 8200 1600 Connection ~ 4800 3350 Wire Wire Line 4800 2900 4800 5850 Connection ~ 5400 3100 Wire Wire Line 5100 3100 7900 3100 Wire Wire Line 5100 3100 5100 3000 Wire Wire Line 7050 1150 7050 1050 Wire Wire Line 6750 1600 6550 1600 Connection ~ 6000 2300 Wire Wire Line 6000 2500 6000 2300 Connection ~ 6600 2400 Wire Wire Line 6600 2500 6600 2400 Wire Wire Line 7050 3200 7050 2900 Connection ~ 6600 3100 Wire Wire Line 7900 3100 7900 2900 Connection ~ 6000 3100 Wire Wire Line 6000 3000 6000 3100 Wire Wire Line 5400 3100 5400 3000 Wire Wire Line 6600 3100 6600 3000 Wire Wire Line 7100 5300 7100 5200 Wire Wire Line 6900 5750 6800 5750 Wire Wire Line 6800 5750 6800 6350 Connection ~ 7650 6350 Wire Wire Line 6800 6350 7650 6350 Wire Wire Line 7650 5650 7650 5750 Wire Wire Line 7650 7050 7650 6950 Wire Wire Line 4350 6750 4900 6750 Wire Wire Line 4350 6550 4900 6550 Wire Wire Line 4900 6150 4800 6150 Wire Wire Line 4800 6450 4900 6450 Connection ~ 4700 6250 Wire Wire Line 4700 6250 4700 6050 Wire Wire Line 4700 6050 4900 6050 Connection ~ 3500 4050 Wire Wire Line 3500 4050 4500 4050 Wire Wire Line 4500 4050 4500 5950 Wire Wire Line 4500 5950 4900 5950 Wire Wire Line 1700 6350 1700 6150 Connection ~ 1700 6250 Wire Wire Line 1700 6850 1700 7050 Wire Wire Line 1700 5650 1700 5500 Connection ~ 4800 5650 Wire Wire Line 4800 5550 4900 5550 Wire Wire Line 4800 5750 4900 5750 Wire Wire Line 4800 5850 4900 5850 Wire Wire Line 3150 4600 3150 4750 Wire Wire Line 3150 4750 3500 4750 Wire Wire Line 3500 4150 3500 3950 Connection ~ 1700 4400 Wire Wire Line 1700 4500 1700 4300 Connection ~ 2250 4100 Wire Wire Line 2450 3950 2450 4100 Wire Wire Line 2450 4100 1900 4100 Connection ~ 1700 3350 Wire Wire Line 1700 3250 1700 3900 Wire Wire Line 2250 3450 2250 3350 Wire Wire Line 2250 3350 1700 3350 Wire Wire Line 2250 4100 2250 3950 Wire Wire Line 1700 4400 2850 4400 Wire Wire Line 3150 4200 3150 3950 Wire Wire Line 3150 3450 3150 3350 Wire Wire Line 3500 3350 3500 3450 Wire Wire Line 3500 4850 3500 4650 Connection ~ 3500 4750 Wire Wire Line 4800 5650 4900 5650 Connection ~ 4800 5750 Wire Wire Line 1700 5100 1700 5000 Wire Wire Line 1950 6750 1950 6950 Wire Wire Line 1950 6950 1700 6950 Connection ~ 1700 6950 Wire Wire Line 1950 6250 1950 6450 Wire Wire Line 3150 3350 4800 3350 Connection ~ 3500 3350 Connection ~ 4800 5550 Wire Wire Line 4900 6250 1700 6250 Connection ~ 1950 6250 Wire Wire Line 4800 6150 4800 7050 Connection ~ 4800 6450 Wire Wire Line 4900 6650 4350 6650 Wire Wire Line 6400 6750 6400 6650 Wire Wire Line 6400 6650 6300 6650 Wire Wire Line 7650 6450 7650 6250 Wire Wire Line 7800 5650 7500 5650 Connection ~ 7650 5650 Wire Wire Line 6900 5550 6300 5550 Wire Wire Line 7100 6000 7100 6100 Wire Wire Line 5700 2900 5700 3100 Connection ~ 5700 3100 Wire Wire Line 6300 2900 6300 3100 Connection ~ 6300 3100 Connection ~ 7050 3100 Wire Wire Line 6750 2400 6300 2400 Wire Wire Line 6300 2400 6300 2600 Wire Wire Line 6750 2300 5700 2300 Wire Wire Line 5700 2300 5700 2600 Wire Wire Line 6750 2200 5400 2200 Wire Wire Line 5400 2200 5400 2500 Wire Wire Line 6750 1900 6150 1900 Wire Wire Line 6150 1900 6150 1600 Wire Wire Line 6150 1600 6250 1600 Wire Wire Line 5550 2000 6750 2000 Wire Wire Line 5100 2000 5100 2500 Wire Wire Line 4800 2000 4800 2600 Connection ~ 5100 2000 Wire Wire Line 8200 1700 8750 1700 Wire Wire Line 8200 2100 8350 2100 Wire Wire Line 8350 2100 8350 800 Wire Wire Line 8350 800 2450 800 Wire Wire Line 2450 800 2450 3450 Text GLabel 8550 5650 2 60 Output VIDEO_OUT NoConn ~ 8200 2400 NoConn ~ 8200 2200 NoConn ~ 8200 2000 Text GLabel 8750 1700 2 60 Output VSYNC Text GLabel 8750 1600 2 60 Output HSYNC Text GLabel 4300 2000 0 60 Input VIDEO_IN $Comp L C C5 U 1 1 475F6474 P 5400 2000 F 0 "C5" V 5475 2100 50 0000 C C F 1 "C" V 5550 2100 50 0000 C C 1 5400 2000 0 1 1 0 $EndComp $Comp L C C4 U 1 1 475F646B P 4800 2750 F 0 "C4" V 4875 2850 50 0000 C C F 1 "C" V 4950 2850 50 0000 C C 1 4800 2750 1 0 0 -1 $EndComp $Comp L R R14 U 1 1 475F645E P 5100 2750 F 0 "R14" V 5180 2750 50 0000 C C F 1 "R" V 5100 2750 50 0000 C C 1 5100 2750 1 0 0 -1 $EndComp $Comp L R R15 U 1 1 475F63DF P 5400 2750 F 0 "R15" V 5480 2750 50 0000 C C F 1 "R" V 5400 2750 50 0000 C C 1 5400 2750 1 0 0 -1 $EndComp $Comp L C C6 U 1 1 475F63CE P 5700 2750 F 0 "C6" V 5775 2850 50 0000 C C F 1 "C" V 5850 2850 50 0000 C C 1 5700 2750 1 0 0 -1 $EndComp $Comp L R R16 U 1 1 475F63C2 P 6000 2750 F 0 "R16" V 6080 2750 50 0000 C C F 1 "R" V 6000 2750 50 0000 C C 1 6000 2750 1 0 0 -1 $EndComp $Comp L GND #PWR011 U 1 1 475F637A P 7050 3200 F 0 "#PWR011" H 7050 3200 30 0001 C C F 1 "GND" H 7050 3130 30 0000 C C 1 7050 3200 1 0 0 -1 $EndComp $Comp L VCC #PWR012 U 1 1 475F636D P 7050 1050 F 0 "#PWR012" H 7050 1150 30 0001 C C F 1 "VCC" H 7050 1160 30 0000 C C 1 7050 1050 1 0 0 -1 $EndComp $Comp L R R17 U 1 1 475F634B P 6600 2750 F 0 "R17" V 6680 2750 50 0000 C C F 1 "R" V 6600 2750 50 0000 C C 1 6600 2750 1 0 0 -1 $EndComp $Comp L C C7 U 1 1 475F6348 P 6300 2750 F 0 "C7" V 6375 2850 50 0000 C C F 1 "C" V 6450 2850 50 0000 C C 1 6300 2750 1 0 0 -1 $EndComp $Comp L C C8 U 1 1 475F6333 P 6400 1600 F 0 "C8" V 6475 1700 50 0000 C C F 1 "C" V 6550 1700 50 0000 C C 1 6400 1600 0 1 1 0 $EndComp $Comp L VCC #PWR013 U 1 1 475F6300 P 7100 5200 F 0 "#PWR013" H 7100 5300 30 0001 C C F 1 "VCC" H 7100 5310 30 0000 C C 1 7100 5200 1 0 0 -1 $EndComp $Comp L VEE #PWR014 U 1 1 475F62F2 P 7100 6100 F 0 "#PWR014" H 7100 6200 30 0001 C C F 1 "VEE" H 7100 6210 30 0000 C C 1 7100 6100 1 0 0 1 $EndComp $Comp L GND #PWR015 U 1 1 475F62C3 P 7650 7050 F 0 "#PWR015" H 7650 7050 30 0001 C C F 1 "GND" H 7650 6980 30 0000 C C 1 7650 7050 1 0 0 -1 $EndComp $Comp L VEE #PWR016 U 1 1 475F62A1 P 6400 6750 F 0 "#PWR016" H 6400 6850 30 0001 C C F 1 "VEE" H 6400 6860 30 0000 C C 1 6400 6750 1 0 0 1 $EndComp Text GLabel 4350 6750 0 60 Input OVL_MODE1 Text GLabel 4350 6650 0 60 Input OVL_MODE0 Text GLabel 4350 6550 0 60 Input OVL_BIT $Comp L GND #PWR017 U 1 1 475F6255 P 4800 7050 F 0 "#PWR017" H 4800 7050 30 0001 C C F 1 "GND" H 4800 6980 30 0000 C C 1 4800 7050 1 0 0 -1 $EndComp $Comp L VCC #PWR018 U 1 1 475F6160 P 1700 5500 F 0 "#PWR018" H 1700 5600 30 0001 C C F 1 "VCC" H 1700 5610 30 0000 C C 1 1700 5500 1 0 0 -1 $EndComp $Comp L GND #PWR019 U 1 1 475F6157 P 1700 7050 F 0 "#PWR019" H 1700 7050 30 0001 C C F 1 "GND" H 1700 6980 30 0000 C C 1 1700 7050 1 0 0 -1 $EndComp $Comp L VEE #PWR020 U 1 1 475F6127 P 1700 5100 F 0 "#PWR020" H 1700 5200 30 0001 C C F 1 "VEE" H 1700 5210 30 0000 C C 1 1700 5100 1 0 0 1 $EndComp $Comp L GND #PWR021 U 1 1 475F60FA P 3500 4850 F 0 "#PWR021" H 3500 4850 30 0001 C C F 1 "GND" H 3500 4780 30 0000 C C 1 3500 4850 1 0 0 -1 $EndComp $Comp L R R13 U 1 1 475F60B5 P 3500 4400 F 0 "R13" V 3580 4400 50 0000 C C F 1 "R" V 3500 4400 50 0000 C C 1 3500 4400 1 0 0 -1 $EndComp $Comp L R R12 U 1 1 475F60AF P 3500 3700 F 0 "R12" V 3580 3700 50 0000 C C F 1 "R" V 3500 3700 50 0000 C C 1 3500 3700 1 0 0 -1 $EndComp $Comp L VCC #PWR022 U 1 1 475F6071 P 1700 3250 F 0 "#PWR022" H 1700 3350 30 0001 C C F 1 "VCC" H 1700 3360 30 0000 C C 1 1700 3250 1 0 0 -1 $EndComp $Comp L R R6 U 1 1 475F600A P 1700 4750 F 0 "R6" V 1780 4750 50 0000 C C F 1 "R" V 1700 4750 50 0000 C C 1 1700 4750 1 0 0 -1 $EndComp $Comp L R R7 U 1 1 475F6000 P 1700 5900 F 0 "R7" V 1780 5900 50 0000 C C F 1 "R" V 1700 5900 50 0000 C C 1 1700 5900 1 0 0 -1 $EndComp $Comp L R R8 U 1 1 475F5FF6 P 1700 6600 F 0 "R8" V 1780 6600 50 0000 C C F 1 "R" V 1700 6600 50 0000 C C 1 1700 6600 1 0 0 -1 $EndComp $Comp L R R10 U 1 1 475F5FEB P 2450 3700 F 0 "R10" V 2530 3700 50 0000 C C F 1 "R" V 2450 3700 50 0000 C C 1 2450 3700 1 0 0 -1 $EndComp $Comp L R R9 U 1 1 475F5FE0 P 2250 3700 F 0 "R9" V 2330 3700 50 0000 C C F 1 "R" V 2250 3700 50 0000 C C 1 2250 3700 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 475F5FCC P 1950 6600 F 0 "C3" V 2025 6700 50 0000 C C F 1 "C" V 2100 6700 50 0000 C C 1 1950 6600 1 0 0 -1 $EndComp $Comp L R R11 U 1 1 475F5FC5 P 3150 3700 F 0 "R11" V 3230 3700 50 0000 C C F 1 "R" V 3150 3700 50 0000 C C 1 3150 3700 1 0 0 -1 $EndComp $Comp L PNP Q1 U 1 1 475F5F80 P 1700 4100 F 0 "Q1" H 1450 4250 60 0000 C C F 1 "BC327" H 1450 4350 60 0000 C C 1 1700 4100 -1 0 0 -1 $EndComp $Comp L JFET_N Q2 U 1 1 475F5F6C P 3150 4400 F 0 "Q2" H 2900 4550 60 0000 C C F 1 "JFET_N" H 2900 4650 60 0000 C C 1 3150 4400 1 0 0 -1 $EndComp $Comp L R R20 U 1 1 475F5F34 P 8050 5650 F 0 "R20" V 8130 5650 50 0000 C C F 1 "R" V 8050 5650 50 0000 C C 1 8050 5650 0 1 1 0 $EndComp $Comp L R R19 U 1 1 475F5F2C P 7650 6700 F 0 "R19" V 7730 6700 50 0000 C C F 1 "R" V 7650 6700 50 0000 C C 1 7650 6700 1 0 0 -1 $EndComp $Comp L R R18 U 1 1 475F5F25 P 7650 6000 F 0 "R18" V 7730 6000 50 0000 C C F 1 "R" V 7650 6000 50 0000 C C 1 7650 6000 1 0 0 -1 $EndComp $Comp L MAX4106ESA U7 U 1 1 475B09AF P 7100 5650 F 0 "U7" H 7400 5950 60 0000 C C F 1 "MAX4106ESA" H 7550 5850 60 0000 C C 1 7100 5650 1 0 0 -1 $EndComp $Comp L EL4583CN U8 U 1 1 475B09A8 P 7500 2450 F 0 "U8" H 7550 3700 60 0000 C C F 1 "EL4583CN" H 7550 3550 60 0000 C C 1 7500 2450 1 0 0 -1 $EndComp $EndSCHEMATC