参数资料
型号: TA1383AFG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO30
封装: 0.375 INCH, 1 MM PITCH, PLASTIC, SSOP-30
文件页数: 40/47页
文件大小: 1017K
代理商: TA1383AFG
TA1383AFG
2005-09-05
45
Application Circuit 2 (How to measure H/V frequency)
This IC’s H/V frequency counting is done by internal pulse (A) which is made in APC circuit. So, if APC circuit
doesn’t lock in the regular frequency, the frequency of pulse (A) will not be correct and the H/V frequency data will
not be showed correct data.
Decision algorithm of H/V frequency detection (detection range, detection times and so on) should be determined
under consideration the factors such as signal strength, existence of ghost signal, APC stability, I2C BUS data
transmission and so on via prototype TV set evaluation.
FREQ
COUNTER
APC
Internal pulse (A)
BUS READ
C1-IN
TA1383
6
D-SYNC2-IN
(for H/V freq.
counter)
16
19
C2-IN
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