TA1310ANG Datasheet, PDF (60/106 Pages) Toshiba Semiconductor – NTSC VIDEO, CHROMA, DEFLECTION, AND DISTORTION COMPENSATION IC (WITH YUV INTERFACE AND ACB)

Text stage
NOTE
ITEM
T₁ AC Gain
T₂ Frequency Characteristics
T₃
Unicolor Adjustment
Characteristics
T₄
Brightness Adjustment
Characteristics
T₅
Brightness Control
Sensitivity
TA1310ANG
(TEST CONDITIONS V_CC = 5 V and 9 V, Ta = 25 ± 3°C)
SW MODE & SUB ADDRESS & DATA
S₀₃ S₀₄ S₀₅ S₀₆ S₀₇ S₀₈ S₀₉ S₁₀ S₅₄
MEASUREMENT METHOD
1) Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 V_p-p) to pin 54.
2) Measure the picture period amplitudes of pins 13, 14, and 15. (v₁₃, v₁₄,
A
A
A OFF A
A
A OFF A
v₁₅)
3) G_R = v₁₃ / 0.2
G_G = v₁₄ / 0.2
G_B = v₁₅ / 0.2
1) Input signal 1 (f = 8 MHz, picture period amplitude = 0.2 V_p-p) to pin 54.
2) Measure the picture period amplitudes of pins 13, 14, and 15. (v₁₃
8 MHz, v₁₄ 8 MHz, and v₁₅ 8 MHz).
A
A
A OFF A
A
A OFF A ^{3) Using the values obtained in T}01 ^{above, calculate the frequency}
characteristics from the following formulas.
4) G_fR = 20 × ℓog (v₁₃ 8 MHz / v₁₃)
G_fG = 20 × ℓog (v₁₄ 8 MHz / v₁₄)
G_fB = 20 × ℓog (v₁₅ 8 MHz / v₁₅)
1) Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 V_p-p) to pin 54.
2) When the subaddress (00, unicolor) data are changed to the maximum
(3F), the center (20), and the minimum (00), measure the picture period
A
A
A OFF A
A
A OFF A
amplitude of pin 13.
(v_uMAX, v_uCNT, v_uMIN)
3) Calculate the maximum, minimum amplitude ratio for unicolor in decibels.
(∆v_u)
1) Input signal 2 to pin 54 and adjust the picture period amplitude input of
pin 13 to 1 V_p-p.
A
A
A OFF A
A
A
OFF
A
2) When the subaddress (01, brightness) data are changed to the maximum
(FF), the center (C0), and the minimum (80), measure the picture period
DC voltage of pin 13.
(Vbr^MAX, Vbr^CNT, Vbr^MIN)
1) Using the values obtained in T₄ above, calculate the brightness
A
A
A OFF A
A
A OFF A
sensitivity from the following formula.
2) Gbr = (Vbr^MAX − Vbr^MIN) / 128
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2005-09-20