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參數(shù)資料
| 型號： | M52390 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | GLOBAL ROHS CAPACITOR 400V, 10000 UF, 20% |
| 中文描述： | 的NTSC / PAL編碼器 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 235K |
| 代理商： | M52390 |
NTSC/PAL ENCODER
M52390FP
MITSUBISHI ICs (AV COMMON)
(
w
(2) Setting of free run frequency
In this IC, the VCXO circuit generates fsc. Therefore, set the
oscillator frequency of VCXO to fsc as follows before using this IC.
1) Connect pin
(VIDEO IN) to GND and set it to free run mode.
2) V4 is the voltage at pin
(OFFSET R) when sync is input to
pin
(C.Sync IN). Apply voltage V4 - 0.5V to pin
R).
3) Set pin
(C.Sync IN) to H. (5V is applied.)
4) Set the output frequency at pin
trimmer capacitor at pin
(VCXO IN).
7
(OFFSET
(TRAP) by adjusting the
(3)Setting of chroma difference LPF
The frequency characteristics of the chroma difference LPF which
is built in this IC can be set as shown in Fig. 1 by connecting a
resistor externally to pin
(fc CONT.).
The group delay characteristics also change as shown in Fig. 2.
(4) Setting of Y DL
The group delay characteristics of color signal of RGB encode
output changes by connecting a resistor externally to pin
CONT.). Therefore, set Y DL based on the delay volume (group
delay volume derived from group delay characteristics + 40ns).
In case that a trap circuit is connected to pin
from +5 to +10ns into consideration.
(fc
, take the delay
(5) Color control characteristics
Gain in chroma section can be set as shown in Fig. 3 by applying
voltage to pin
(COLOR CONT.). (The burst amplitude is fixed.)
19
(6) Relation between BFP and HHK
The pulse width of GFP and HHK can be set as shown in Fig. 4 by
connecting DR externally to pin
3
(HHK).
9
2
4
2
4
5
20
Fig. 1 Frequency characteristics of
color difference LPF
(As for the test conditions, refer to test No.14 and 15.)
5k
10k
40k
50k
30k
20k
60k
R
g
100k
1M
10M
6
0
-6
-12
-18
-24
-30
5
5
500
400
300
200
100
0
5 10
20
30
40
50
60
Pin
R (k
)
Fig. 2 Group delay characteristics of
color difference LPF
(As for the test conditions, refer to test No.14 and 15.)
20
R
d
5
20
5
Voltage at pin
0
-1
-2
-3
0
1
2
3
4
5
3
2
1
Fig. 3 Color control characteristics
(As for the test conditions, refer to test No.16, 17, 18 and 19.)
O
(
5
19
Fig. 4 RC product at pin
(As for the test conditions, refer to test No.35, 36 and 37.)
vs. internal pulse
130
120
110
100
90
80
70
0
10
20
30
40
50
60
Time interval from sync rise at pin
(47
μ
sec)
E
(
)
5V
0V
47
μ
s
HHK
5.6
μ
s
BFPP BFPW
2.5
μ
s
pin
Sync
270p
R
3
2
2
3
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M52390FP | NTSC/PAL ENCODER |
| M52393FP | CAP ROHS, 450V, 1500 UF, 20% |
| M52393P | EDTV2 IDENTIFICATION SIGNAL DETECTOR |
| M5239 | SINGLE COMPARATOR |
| M5239L | SINGLE COMPARATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M52390FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:NTSC/PAL Encoder |
| M52-39-25448 | 制造商:Thomas & Betts 功能描述:WASHER, 13/64X 11/16 X 0.047 |
| M52393FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:EDTV2 IDENTIFICATION SIGNAL DETECTOR |
| M52393P | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:EDTV2 IDENTIFICATION SIGNAL DETECTOR |
| M52-39-45231 | 制造商:Thomas & Betts 功能描述:WASHER, 1-13/32 X 2-1/2X0.59 |
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