TA1276AFG Datasheet, PDF (27/83 Pages) Toshiba Semiconductor – PAL/NTSC Video Chroma And Deflection IC For CTV

Chroma Section
Characteristics
ACC characteristic
Sub color control characteristic
APC frequency control sensitivity
APC pull-in/hold range
3.58 MHz/4.43 MHz free run
frequency
f_sc output amplitude
f_sc output DC level
IQ color difference signal
output level
Q Axis
I Axis
IQ signal demodulation ratio
IQ demodulation angle
Q Axis
I Axis
IQ demodulation angle Relative
UV color difference
B-Y
signal output level
R-Y
UV signal demodulation ratio
B-Y
UV demodulation angle
R-Y
UV demodulation angle Relative
TA1276AFG
Symbol
F₆₀₀
F₃₀₀
F₃₀
F₁₀
A
es+
es−
β₃
β₄
β_M
f3_PH
f3_HH
f3_PL
f3_HL
f4_PH
f4_HH
f4_PL
f4_HL
fM_PH
fM_HH
fM_PL
fM_HL
f₀₃
f₀₄
f_0M
f_3c
f_4c
f_Mc
V_1a
V_1b
v_BN
v_RN
v_RN/v_BN
θ_BN
θ_RN
θ_BRN
v_BP
v_RP
v_RP/v_BP
θ_BP
θ_RP
θ_BRP
Test
Circuit
Test Condition
Min Typ. Max Unit

0.300 0.355 0.410

0.300 0.355 0.410
V_p-p

(Note C₁) 0.290 0.343 0.400

0.090 0.113 0.135

0.90 0.97 1.05 times

2.0 3.0 4.0

dB

−6.0 −4.3 −2.0

0.70 1.20 1.70

(Note C₂) 0.70 1.20 1.70 Hz/mV

0.70 1.20 1.70

250 500 2000

250 500 2000

−2000 −500 −250

−2000 −500 −250

250 500 2000

250 500 2000
(Note C₃)
Hz

−2000 −500 −250

−2000 −500 −250

250 500 2000

250 500 2000

−2000 −500 −250

−2000 −500 −250
 f₀ = 3.579545 MHz
 f₀ = 4.433619 MHz
 f₀ = 3.575611 MHz
 When 3.58 NTSC
−200 0
200
−200 0
200 Hz
−200 0
200
0.54 0.78 0.96
 When 4.43 PAL
0.52 0.72 0.90 V_p-p
 When M-PAL
0.54 0.78 0.96
 When 3.58 NTSC
 Except for 3.58 NTSC
2.80 3.20 3.50
V
1.15 1.55 1.75

When B:C = 1:1 signal

290 355 415
mV_p-p
290 355 415
 R-Y/B-Y
0.94 1.00 1.15 

29.0 33.0 37.0

°

118.0 123.0 126.0
 I-Q
87.0 90.0 93.0
°

When B:C = 1:1 signal

290 355 415
mV_p-p
290 355 415
 R-Y/B-Y
0.94 1.00 1.10 

−5.0 0.0 3.0

°

85.0 90.0 93.0


87.0 90.0 93.0
°
27
2002-04-01