參數(shù)資料
型號(hào)： TA8795BF
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP60
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件頁(yè)數(shù)： 24/45頁(yè)
文件大?。?/td> 1139K
代理商： TA8795BF
TA8795BF
2001-01-15 30/45
TEST CONDITIONS : VCC = 5V, Ta = 25±3°C
SW No. AND VR MODE
No.
PARAMETER
SYMBOL
UNIT
MIN
TYP.
MAX
15
16 18 19 21 24
31
34
38
47
55
TEST METHOD
C13
Relative phase
(PAL / 3N)
pr / pb
pg / pb
nr / nb
ng / nb
°
83.0
232.0
87.0
225.0
90.0
237.0
94.0
240.0
97.0
247.0
101.1
255.0
Open A
A
―
A
B
Open Open Open OFF Open
1. To pin 21, input burst and chroma signals with the same
amplitude of 100mVp-p (monochromatic, blue).
2. Vary the phase of the above monochromatic color and seek
the monochromatic input phase where the B-Y output
amplitude of pin 43 reaches 0 (θB-Y).
3. Vary the phase of the above monochromatic color and seek
the monochromatic input phase where the G-Y output
amplitude of pin 44 reaches 0 (θG-Y).
4. Vary the phase of the above monochromatic color and seek
the monochromatic input phase where the R-Y output
amplitude of pin 45 reaches 0 (θR-Y).
Also, in PAL mode, adjust the delay line using a Philips
pattern signal with the IC mounted in the set and check the
phase in the video input using either a PAL or 3N rainbow
signal.
(θG-Y) (θB-Y) = pg / pb, ng / nb
(θR-Y) (θB-Y) = pr / pb, nr / nb
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