NTE7004 查看數據表（PDF） - NTE Electronics
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NTE7004 Datasheet PDF : 4 Pages
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Band Switch Truth Table
Input
A
B
(Pin7)
(Pin6)
L
L
H
L
L
H
H
H
F1
(Pin14)
H
Z
Z
Z
Output
F2
(Pin15)
F3
(Pin16)
Z
Z
H
Z
Z
H
Z
Z
Z: High Impedance
Operation of Tuning Detection Section
Tuning Mode
LPF Output AFT
AFT–L
OUT1
L
Unsynchronized
L
AFT–C
L
AFT–H
L
AFT–L
H
Synchronized
H
AFT–C
H
AFT–H
L
AFT–L: VAFT < VCL
AFT–C: VCL < VAFT < VCH
AFT–H: VAFT > VCH
Pin Connection Diagram
F4
(Pin17)
Z
Z
Z
H
OUT2
L
L
L
L
H
H
Sync Separator 1
FBP 2
AFT 3
Output 1 4
Output 2 5
Bandswitch Input B 6
Bandswitch Input A 7
+ 5V Output 8
RST Output 9
VCC 2 10
20 LPF
19 OP Amp Input
18 GND
17 Bandswitch Output F4
16 Bandswitch Output F3
15 Bandswitch Output F2
14 Bandswitch Output F1
13 VCC 1
12 Output to TV
11 PLL Input
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