TA1276AFG Datasheet, PDF (65/83 Pages) Toshiba Semiconductor – PAL/NTSC Video Chroma And Deflection IC For CTV

Note
Parameter
A₈ Color Detail Emphasis
TA1276AFG
SW₃₃
A
SW₃₄
A
SW₃₅
A
Test Conditions (unless otherwise stated, V_CC1 = 5 V, V_CC2/V_CC3/DEF V_CC = 9 V, Ta = 25 ± 3°C)
Switching Mode
SW₃₇ SW₃₈ SW₃₉ SW₅₁ SW₅₂ SW₅₃
Test Conditions
1) Connect SG to Y-IN and input a 4 MHz frequency sine wave at 20 mV_p-p.
2) Set the subaddress (02) data to (01).
3) Set the subaddress (10) data to (20).
4) Set the subaddress (11) data to (02).
5) Read the 4 MHz amplitude output to pin 11.
(V_CDE0)
A
A
A
A
B
A ^{6) Input signal 2 (picture period amplitude = 0.3 Vp-p) to pin 1.}
7) Set the subaddress (02) data to (81).
8) Read the 4 MHz amplitude output to pin 11.
(V_CDE1) (mV_p-p)
9) Set the subaddress (0A) data to (81) and read the amplitude of frequency
Fp output to pin 11.
(V_CDE2) (mV_p-p)
10) GCD0 = 20 × Ɛog (V_CDE1 − V_CDE0/20)
GCD1 = 20 × Ɛog (V_CDE2 − V_CDE0/20)
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2002-04-01