參數(shù)資料
型號: TA1310N
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56
文件頁數(shù): 30/101頁
文件大小: 2221K
代理商: TA1310N
TA1310N
2001-06-25
34
(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.
Note 2: Ensure the composite signal is always input to pin 38 (SYNC IN).
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