ISL59834 Datasheet, PDF (12/17 Pages) Intersil Corporation – Quad Channel, Single Supply, Video Reconstruction Filter with On-Board Charge Pump

ISL59834
Typical Performance Curves V_CP = V_S = 3.3V, C_F1 = C_F2 = 0.1µF, C_S1 = C_S2 = 0.22µF, C_FIL1 = C_FIL2 = 0.4µF, C_IN1 = C_IN2 =
C_IN3 = C_IN4 = 0.1µF, R_L1 = R_L2 = 150Ω. (Continued)
LUMA OUTPUT
CHANNELS 1, 3
TIME SCALE = 10µs/DIV
LUMA OUT = 500mV/DIV
CHROMA OUT = 500mV/DIV
VIDEO SIGNAL (CHANNEL 1 or 3)
CHROMA OUTPUT
CHANNELS 2, 4
TIME SCALE = 5µs/DIV
OUT = 500mV/DIV
SYNC_OUT = 500mV/DIV
SYNC_OUT
FIGURE 19. S-VIDEO SCOPE SHOT
FIGURE 20. SYNC_OUT SIGNAL
INPUT = NTSC VIDEO + 2Hz SQUARE WAVE
(BEFORE COUPLING CAPACITOR)
CHANNEL 1 OR
CHANNEL 3 OUTPUT
TIMEBASE = 1ms/DIV
INPUT: 500mV/DIV
OUTPUT: 500mV/DIV
INPUT = NTSC VIDEO + 2Hz SQUARE WAVE
(BEFORE COUPLING CAPACITOR)
CHANNEL 1 OR
CHANNEL 3 OUTPUT
TIMEBASE = 200µs/DIV
INPUT: 500mV/DIV
OUTPUT: 500mV/DIV
FIGURE 21. LUMA CLAMP RESPONSE TO POSITIVE
TRANSIENT (CHANNEL 1 AND 3)
INPUT = NTSC S-VIDEO (CHROMA) + 2Hz SQUARE WAVE
(BEFORE COUPLING CAPACITOR)
TIMEBASE = 2ms/DIV
INPUT: 500mV/DIV
OUTPUT: 500mV/DIV
CHANNEL 2 OR CHANNEL 4 OUTPUT
FIGURE 23. CHROMA CLAMP RESPONSE TO POSITIVE
TRANSIENT (CHANNEL 2 AND 4)
FIGURE 22. LUMA CLAMP RESPONSE TO NEGATIVE
TRANSIENT (CHANNEL 1 AND 3)
INPUT = NTSC S-VIDEO (CHROMA) + 2Hz SQUARE WAVE
(BEFORE COUPLING CAPACITOR)
TIMEBASE = 2ms/DIV
INPUT: 500mV/DIV
OUTPUT: 500mV/DIV
CHANNEL 2 OR CHANNEL 4 OUTPUT
FIGURE 24. CHROMA CLAMP RESPONSE TO NEGATIVE
TRANSIENT (CHANNEL 2 AND 4)
12
FN6268.1
June 11, 2008