參數(shù)資料
型號: TA1316AN
廠商: Toshiba Corporation
英文描述: YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV
中文描述: YCbCr /色差信號處理器和同步數(shù)字電視,逐行掃描電視和雙掃描電視
文件頁數(shù): 66/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
66
Test Conditions
SW mode
Note No.
Parameter
SW1
SW2
SW3
SW56
Test Method (test conditions: V
CC
= 9 V/2 V, Ta
=
25°
±
3°C)
P15
Sharpness control center
characteristic
B
B
A
ON
(1) Input sine wave (frequency variable) to TPA.
(2) Set pin 3 amplitude to 20 mV
P-P
.
(3) Set UNI-COLOR to maximum (1111111), SHR-TRACKING to SRT-GAIN minimum (11), APACON peak
frequency (APACON PEAK f
0
) to 15 M (00) and color detail enhancer (CDE) to center (10).
(4) Set picture mute to off (P-MODE: Normal1 (000)) and monitor pin 43.
(5) Set PICTURE-SHARPNESS to center (1000000) and measure amplitude V
100
when input frequency is 100
kHz.
(6) Measure pin 43 amplitude V
CEN00
when input frequency is F
AP00
with PICTURE-SHARPNESS set to center
(1000000). Calculate G
CEN00
using the following formula.
(7) Set APACON PEAK f
0
to 8.8 M (01) and measure amplitude V
CEN01
as in step (6) when input frequency is
F
AP01
. Calculate G
CEN01
using the following formula.
(8) Set APACON PEAK f
0
to 7.5 M (10) and measure amplitude V
CEN10
as in step (6) when input frequency is
F
AP10
. Calculate G
CEN10
using the following formula.
(9) Set APACON PEAK f
0
to 5 M (11) and measure amplitudes V
CEN11
as in step (6) when input frequency is
F
AP11
. Calculate G
CEN11
using the following formula.
G
CEN
***
=
20
×
og
"
(V
CEN
***
÷
V
100
) [dB]
*
:
When using a spectrum analyzer for monitoring, measure gain for low frequency.
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