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)
文件頁數(shù): 7/8頁
文件大?。?/td> 69K
代理商: KA2985BD
KA2985BD UHF RF MODULATOR
10
MM-97-D015
98-05-12
SPECIFICATION(VER 1)
TEST & APPLICATION CIRCUIT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
+
+
R1
R2
R3
C2
C1
C3
R4
TANK3 TANK2 TANK1
SW1
SW2
SW3
R5
R6
C10
C5
C7
C9
C4
C6
C8
C11
C12
C13
C14
C15
C16
C17
C18
C19
VCC
KA2985BD
RECOMMENDED PART LIST
Part No Value Part No Value Part No Value Part No Value Part No Value
C1 6.8uF C8 39P C15 2P R1 33K R8 56K
C2 220P C9 1N C16 Adjust R2 15K TANK1
5.5MHz
C3 100N C10 0.68uF C17 12P R3 270K TANK2
6.0MHz
C4 39P C11 2P C18 5P R4 20K TANK3
6.5MHz
C5 1N C12 2P C19 6.8uF R5 560
C6 39P C13 2P R6 560
C7 1N C14 2P C21 100N R7 47
C21
R8
RF OUTPUT
AUDIO
INPUT
VIDEO
INPUT
+
R7
SW1 GND OPEN
SW2
GND Not used Pin4(I)
OPEN Pin5(B/G)
Pin3(D/K)
GND
OPEN
Video
mode
TSG
mode
SW3
LC BLOCK
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