NTE1836 Datasheet, PDF (3/4 Pages) NTE Electronics – Integrated Circuit Electronic Channel Select System Control

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: V_AFT < V_CL
AFT–C: V_CL < V_AFT < V_CH
AFT–H: V_AFT > V_CH
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
V_CC 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 V_CC 1
12 Output to TV
11 PLL Input