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): 106/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
106
Note
No.
Parameter
Test Method
HB01 H-OUT pulse duty
(1) No signal input.
(2) Measure T1 and T2 (as shown in figure below) from pin 26 (H-OUT) output waveform when
sub-address (00) data is 80H and A0H. Determine duties TH
00A
and TH
00B
using the
following formula:
TH
=
T1/(T1
+
T2)
×
100 %
(3) Set sub-address (00) data to 81H, A1H, 82H and A2H, measure as in step (2) above, and
determine duties TH
01A
, TH
01B
, TH
10A
and TH
10B
.
HB02 Horizontal
free-running
frequency
(1) Set SW20 to open.
(2) Set sub-address (00) data to 00H and measure horizontal free-running frequency F00 from pin
26 (H-OUT) output waveform.
(3) Set sub-address (00) data to 40H, 80H and C0H, measure as in step (2) above, horizontal
free-running frequencies F01, F10 and F11.
HB03 Horizontal oscillation
frequency variable
range
(1) Set sub-address (00) data to 00H.
(2) Connect 10-k
resistor between pin 20 and V
CC
. Measure horizontal frequency F00
MIN
from
pin 26 (H-OUT) output waveform.
(3) Connect 68-k
resistor between pin 20 and GND. Measure horizontal frequency F00
MAX
from
pin 26 (H-OUT) output waveform.
(4) Set sub-address (00) data to 40H, 80H and C0H, and measure as in steps (2) and (3) above,
horizontal frequencies F01
MIN
, F01
MAX
, F10
MIN
, F10
MAX
, F11
MIN
and F11
MAX
.
HB04 Horizontal oscillation
control sensitivity
(1) Set SW20 to open.
(2) Connect external power supply to TP20. Set sub-address (00) data to 00H.
Apply V
20
+
0.05 V and V
20
0.05 V (see HB01) to TP20, and measure frequencies FA and
FB from pin 26 (H-OUT) output waveform. Calculate frequency change rate (BH00) using the
following formula.
(3) Set sub-address (00) data to 40H, 80H and C0H, measure as in step (2) above, and calculate
frequency change rates BH01, BH10 and BH11.
HB05 H-OUT output voltage (1) Set SW20 to open.
(2) Measure high (V15
H
) and low (V15
L
) voltages of pin 26 (H-OUT) output waveform.
Pin 26 waveform
T1
T2
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