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參數(shù)資料
| 型號： | KA2985BD |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | UHF RF Modulator(UHF射頻調(diào)節(jié)器) |
| 中文描述： | 超高頻射頻調(diào)制器（超高頻射頻調(diào)節(jié)器） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 69K |
| 代理商： | KA2985BD |
KA2985BD UHF RF MODULATOR
7
MM-97-D015
98-05-12
SPECIFICATION(VER 1)
Pin I/O Function Equivalent Circuit Description
20 O REG VCC
PIN CONFIGURATION
20
Charateristics Symbol Value Unit
Power Supply Vs 7 V
Operating Temperature Topr -20 ~ +70
Storage Temperature Tstg -55 ~ +150
Power Dissipation Pdmax 500 mW
ABSOLUTE MAXIMUM RATINGS (Ta=25
)
ELECTRICAL CHARACTERISTICS
(VCC=5V, Ta=25
, fp=591.25MHz
2
1MHz, fs=5.5MHz/6.0MHz/ 6.5MHz)
Characteristics Symbol Test Condition Min. Typ. Max.
Unit
Supply Voltage VCC Audio/Video No input 4.5 5.0 5.5
V
Supply Current ICC Audio/Video No input 21 29 40
mA
TSG Characteristics
Modulation Depth Mtsg Refer to Note 1 65 75 85
%
Video/Sync Ratio Tv/s Refer to Note 1 6.8/3.2 7.0/3/0 7.2/2.8
-
H.sync Signal Period Ts Refer to Note 1 63 64 65
uS
H.sync Signal Width Hs Refer to Note 1 3.5 4.0 4.5
uS
White Signal Width Hv Refer to Note 1 3.5 4.0 4.5
uS
1st Sync White Signal Rise Time Tv
(1)
Refer to Note 1 22 24 26
uS
2nd Sync White Signal Rise Time Tv
(2)
Refer to Note 1 38 40 42
uS
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