参数资料
型号: TA1310ANG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-56
文件页数: 84/106页
文件大小: 2686K
代理商: TA1310ANG
TA1310ANG
2005-09-20
79
TEST CONDITIONS (DEF VCC = 9 V, Ta = 25 ± 3°C, BUS DATA = POWER-ON RESET)
SW MODE
NOTE
ITEM
SW34 SW38
MEASUREMENT METHOD
D6
32*fH VCO Oscillation Start
Voltage
OFF
B
Increase the voltage from 2.5 V.
When an oscillation waveform appears on TP41, measure the voltage. At the same time, check that no
waveform is output (0V DC) to #35 (H out).(Apply only DEF VCC.)
D7
Horizontal Output Start
Voltage
OFF
B
Increase the voltage. When a horizontal pulse appears on #35 (H out), measure the voltage. Note that the
horizontal oscillation frequency at this time is near fHO (15.7 kHz ± 1 kHz).
(Apply only DEF VCC.)
1) Under the above conditions, when no horizontal pulse is output on #35, read D4 in bus read mode. (Apply
also the chroma VCC.) (VBUS HOFF)
2) Under the above conditions, when a horizontal pulse is output on #35, read D4 in bus read mode. (Apply
also the chroma VCC.) (VBUS HON)
Observe the #35 (H out) waveform and measure t1 and t2.
D8
Horizontal Output Pulse Duty
OFF
B
100(%)
t2
t1
H35
T
×
+
=
D9
Phase Detection Stop Mode
OFF
B
Input a composite video signal to TP38. When the subaddress (0D) D1 is set to (1), measure the oscillation frequency of the #35 (H out)
waveform.
D10
Horizontal Free-Run
Frequency
OFF
B
Measure the oscillation frequency of #35 (H out).
D11
Horizontal Oscillation
Frequency Range
OFF
B
1) When #40 (AFC1 FILTER) is connected to DEF VCC via a 10-k resistor, measure the #35 (H out) oscillation frequency. (VHMIN)
2) When #40 (AFC1 FILTER) is connected to GND via a 68-k resistor, measure the #35 (H out) oscillation frequency. (VHMAX)
D12
Horizontal Oscillation Control
Sensitivity
OFF
B
When the voltage on #40 (AFC1 FILTER) is varied by ±0.05 V with a horizontal oscillation frequency of 15.734 kHz, calculate the #35 (H
out) frequency variation rate.
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