ta1270bfg TOSHIBA Semiconductor CORPORATION, ta1270bfg Datasheet - Page 26

• Manufacturer Part Number: ta1270bfg
• Description: Pal / Ntsc Video Chroma And Sync Processing System For Pip / Pop / Pap
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(Unless otherwise specified, SYNC / SW V
NOTE
C5
C6
PAL Ident Sensitivity
TOF Characteristics
CHARACTERISTIC
00
80
80
SUB ADDRESS & DATA
CC
01
80
81
83
or
= 9 V, DAC / C V
02
80
80
TEST CONDITION
03
80
81
83
or
CC
05
80
80
= 5 V, preset bus data, Ta = 25°C ± 3°C)
26
SW1
A
A
SW MODE
―
―
―
―
―
―
(1) Input 4.43 PAL signal 1 rainbow signal (Burst : chroma = 1 : 1) to the
(2) While monitoring the READ BUS “COLOR“, perform the following with
(3) Increase the amplitude of the input signal from 0 mV
(4) Decrease the amplitude of the input signal from 100 mV
(1) Input f
(2) Set sub address (01) data to (38h). With f01, set sub address (03) data to
(3) Measure the output amplitude with f0 and calculate the gain from the
(4) Measure the output amplitude with f0 ± 500 kHz and calculate the gain
CHROMA input (Pin 6).
BUS “P / N-ID“ data = 1 and 0.
amplitude at mode change to 4.43 PAL mode.
(Normal (1) ; vPCL, High (0) ; vPCH)
the amplitude at mode change to 4.43 PAL mode.
(Normal (1) ; vPBL, High (0) ; vPBH)
f01 = 3.579545 MHz,f02 = 4.433619 MHz)
(81h) ; with f01, to (83h). Insert a 1.5 kΩ resistor between R-Y output (Pin
48) and V
input.
(f01 ; GFC3, f02 ; GFC4)
from the input.
(f01 + 500 kHz ; GFH3, f01 − 500 kHz ; GFL3,
f02 + 500 kHz ; GFH4, f02 − 500 kHz ; GFL4)
sc
signal to the chroma input (Pin 6).(signal amplitude = 10 mV
CC
(5 V). Monitor R-Y output (Pin 48) and perform the following.
TEST METHOD
p-p
TA1270BFG
and measure the
p-p
2005-08-18
and measure
p-p
,