ta1383afg TOSHIBA Semiconductor CORPORATION, ta1383afg Datasheet - Page 27

• Manufacturer Part Number: ta1383afg
• Description: Ntsc Chroma Decoder, Multi-point Scan Sync Processor, H/v Frequency Counter Ic For Color Tv
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Note No.
Y2
Y3
I/O gain 3
(YCbCr → YPbPr)
I/O gain 5
(RGB → YCbCr)
Characteristic
SW28
C
C
↓
A
↓
A
SW Mode
SW29
C
A
C
C
A
C
↓
↓
↓
↓
SW30
A
A
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10) Measure #24, #23, #22 amplitudes VMRP1, VMRP2, and VMRP3 [V], and determine GMRP1, GMRP2, and GMRP3
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10) Measure #24, #23, #22 amplitudes VMRA1, VMRA2, and VMRA3 [V], and determine GMRA1, GMRA2, and GMRA3
Set INPUT SW (SA 00H) to D-SYNC1/Y3/CbCr (PbPr) (C0H).
Set MATRIX SW (SA 03H) to MODE-3 (C0H).
Input sine wave A (f = 100 kHz) to IN30 and set #30 amplitude to 0.2 V
Measure #24 amplitude VMYP [V] and determine GMYP using the following equation.
Set SW29 to A, input sine wave B (f = 100 kHz) to IN29, and set #29 amplitude to 0.2 V
Input sync signal to IN30.
Measure #24, #23, #22 amplitudes VMBP1, VMBP2, and VMBP3 [V], and determine GMBP1, GMBP2, and GMBP3
using the following equation.
Set SW28 to A and SW29 to C, input sine wave B (f = 100 kHz) to IN28, and set #28 amplitude to 0.2 V
Input sync signal to IN30.
using the following equation.
Set INPUT SW (SA 00H) to DSYNC1/RGB (D0H).
Set MATRIX SW (SA 03H) to MODE-1 (80H).
Input sine wave A (f = 100 kHz) to IN30 and set #30 amplitude to 0.2 V
Measure #24, #23, #22 amplitudes VMGA1, VMGA2, and VMGA3 [V], and determine GMGA1, GMGA2, and GMGA3
using the following equation.
Set SW29 to A, input sine wave B (f = 100 kHz) to IN29, and set #29 amplitude to 0.2 V
Input sync signal to IN30.
Measure #24, #23, #22 amplitudes VMBA1, VMBA2, and VMBA3 [V], and determine GMBA1, GMBA2, and GMBA3
using the following equation.
Set SW28 to A and SW29 to C, input sine wave B (f = 100 kHz) to IN28, and set #28 amplitude to 0.2 V
Input sync signal to IN30.
using the following equation.
GMYP = 20 × log (VMYP/0.2) [dB]
GMBP* = 20 × log (VMBP*/0.2) [dB]
GMRP* = 20 × log (VMRP*/0.2) [dB]
GMGA* = 20 × log (VMGA*/0.2) [dB]
GMBA* = 20 × log (VMBA*/0.2) [dB]
GMRA* = 20 × log (VMRA*/0.2) [dB]
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Test Method
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TA1383AFG
2005-09-05
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