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| 型號(hào)： | TA1343 |
| 廠商： | Toshiba Corporation |
| 英文描述： | TV SOUND PROCESSOR |
| 中文描述： | 電視音頻處理器 |
| 文件頁(yè)數(shù)： | 18/26頁(yè) |
| 文件大小： | 267K |
| 代理商： | TA1343 |
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TA1343N
2002-02-12
18
Test Condition
Bus Data (hexadecimal)
Note
Input
Point
Meas.
Point
00
01
02
03
04
05
06
07
SW1
21
TP6
TP8
TP12
TP13
TP16
40
40
00
00
00
40
C0
10
(b)
Connect TP6 and TP8 to GND.
Apply 9.0 V DC and sine wave (60Hz,
500 mV
rms
) to V
CC
terminal.
Measure amplitude of TP12, TP13 and TP16
(v12 mV
rms
, v13 mV
rms
, v16 mV
rms
).
RR1 WdB 20log (v12/500)
RR1 RdB 20log (v13/500)
RR1 LdB 20log (v16/500)
22
TP6
TP8
TP12
TP13
TP16
40
40
72
00
72
40
C0
10
(b)
Connect TP6 and TP8 to GND.
Apply 9.0 V DC and sine wave (60Hz,
500 mV
rms
) to V
CC
terminal.
Measure amplitude of TP12, TP13 and TP16
(v12 mV
rms
, v13 mV
rms
, v16 mV
rms
).
RR2 WdB 20log (v12/500)
RR2 RdB 20log (v13/500)
RR2 LdB 20log (v16/500)
23
TP6
TP8
TP12
TP13
TP16
72
72
72
00
72
40
C0
10
(a)
Input signal (100 Hz, sine wave) to TP6 and
TP8.
Increase amplitude of the input signal, and
measure THD of TP13 and TP16.
Measure amplitude of TP13 and TP16 when
THD of the outputs are 1% (v
DOUT
R1 V
p-p
,
v
DOUT
L1 V
p-p
).
Input signal (10 kHz, sine wave) to TP6 and
TP8.
Increase amplitude of the input signal, and
measure THD of TP13 and TP16.
Measure amplitude of TP13 and TP16 when
THD of the outputs are 1% (v
DOUT
R2 V
p-p
,
v
DOUT
L2 V
p-p
).
Smaller value v
DOUT
R1 or v
DOUT
R2 is
v
DOUT
R. Smaller value v
DOUT
L1 or v
DOUT
L2
is v
DOUT
L.
Input signal (80 Hz, sine wave) to TP6 and TP8.
Increase amplitude of the input signal, and
measure THD of TP 12.
Measure amplitude of TP12 when THD of the
output is 1% (v
DOUT
W V
p-p
).
24
TP6
TP8
TP12
TP13
TP16
40
40
40
00
40
40
C0
10
(a)
Input signal (1 kHz, sine wave) to TP6 and TP8.
Increase amplitude of the input signal, and
measure THD of TP13 and TP16.
Measure amplitude of TP6 and TP8 when THD
of the outputs are 1%
(v
DIN
R V
p-p
, v
DIN
L V
p-p
).
Input signal (80 Hz, sine wave) to TP6 and TP8.
Increase amplitude of the input signal, and
measure THD of TP 12.
Measure amplitude of TP6 and TP8 when THD
of the outputs are 1% (v
DIN
W V
p-p
)
25
TP6
TP8
TP12
TP13
TP16
40
40
72
00
72
40
C0
10
/
11
/
12
(a)
Connect TP6 and TP8 to GND.
Set data of sub address 07(h) to 10 (h), 11 (h),
12 (h).
Measure DC offset of TP12, TP13 and TP16
( V
M
W mV, V
M
R mV, V
M
L mV).
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