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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 69K |
| 代理商： | KA2985BD |
KA2985BD UHF RF MODULATOR
4
MM-97-D015
98-05-12
SPECIFICATION(VER 1)
GENERAL DESCRIPTION
The KA2985BD is a monolithic intergrated circuit of small
out-line package designed for use in the UHF RF converter
for SVR, VCR, video game machines and so on.
FEATURES
Supply voltage=5V.
FM audio modulation.
Clipping of peak white level.
Built-in Test Signal Generator.
Operates the TSG block without external resonator.
Negative video modulation.
Picture to Sound ratio adjustment.
Built-in Picture/Sound RF mixer.
3-Multi system(B/G, I, D/K)
Operates on 400MHz to 700MHz wide band.
BLOCK DIAGRAM
ORDERING INFORMATION
Device Package Operating Temperature
KA2985BD 20-SOP-300 -20
~ +70
RF OSCILLATOR
RF AMP
REGULATOR
AUDIO
AMP
FM
MODULATOR
RF MIXER
VIDEO
SWITCH
VIDEO CLAMP
WHITE CLIP
TSG
PROGRAMMABLE
DIVIDER
CONTROLLER
20-SOP-300
VCC
AUDIO
IN
1
2
2
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
TANK 3
TANK 2
TANK 1
GND
CONT 1
CONT 2
TSG
VIDEO
IN
GND(RF)
11
P/S
92
OSC 1
83
NC
38
RF OUT
29
REG
20
OSC 2
74
NC
65
OSC 3
56
OSC 4
47
B/G, I, D/K
SELECTION
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