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: 37/106页
文件大小: 2686K
代理商: TA1310ANG
TA1310ANG
2005-09-20
36
(TEST CONDITIONS VCC = 9 V / 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW54 SW55 SW56
MEASUREMENT METHOD
P8
#56 Output Impedance
C
B
OPEN
1)
Set the bus control data to the preset value.
2)
Set SW54 to C (connect the Y input to AC-GND).
3)
Connect the external power supply to #56 via ammeter A as shown in the diagram below.
4)
Adjust the power supply until the ammeter reads 0 amperes.
5)
Measure the ammeter current I56 when the power supply is increased by 0.1 V.
6)
Calculate Z56 from the following formula.
Z56 = 0.1 [V] ÷ I56 [A]
P9
Black Stretching Amplifier
Maximum Gain
A
B
A
OPEN
1)
Set the bus control data to the preset value.
2)
Set the black stretch start point to 001, turn the Y mute off (0), set SW54 to A, and input a 500-kHz sine wave to
TP54A.
3)
Use #54 to adjust the signal amplitude to 0.1 Vp-p.
4)
Set SW55 to B (minimum gain) and measure the amplitude VA of #56.
5)
Set SW55 to A (maximum gain) and measure the amplitude VB of #56.
6)
Calculate GBS from the following formula.
GBS = VB ÷ VA
Note 1: When testing, see the picture sharpness test circuit diagram. First turn ACB mode off (bus control).
Note 2: Ensure the composite signal is always input to pin 38 (SYNC IN).
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