NTE NTE1471

NTE1471
Integrated Circuit
Color TV Deflection Signal Processor
Functions:
D Sync separator
D Horizontal AFC
D Horizontal Oscillator
D X−ray radiation protector
D Vertical oscillator
D Vertical blanking pulse generator
Features:
D On−chip blanking circuit: Simplifies output circuit design
D Constant discharge current: No vertical output linearity adjustment
D Horizontal oscillator frequency limiter: No X−ray protector malfunction
D Hold−type operation for X−ray protector
D Less reduction of impedance from frost between pins
Absolute Maximum Ratings:
Vertical Supply Voltage, VCC(V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Horizontal Supply Current, ICC(H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA
Vertical Output Current, IOV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Horizontal Output Current, IOH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Power Dissipation (TA = +75°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics:
Parameter
Symbol
Min
Typ
Max
Unit
Horizontal DC Loop Gain
fc
−
750
−
Hz/μs
Horizontal Osc Frequency
fOH
14.734
15.734
16.734
kHz
Horizontal Pull−In Range
fpH
450
650
−
Hz
Trigger Gate Voltage
VGT
0.65
0.72
0.79
V
Vertical Osc Frequency
fOV
50
55
60
Hz
Vertical Blanking Pulse Delay Time (Note 1)
tBLK
−10
40
180
μs
fOH(L)
14.5
14.9
−
kHz
Quiescent Sync Input Horizontal Frequency (Note 2)
Note 1. Delay from vertical output blanking threshold
Note 2. Minimum frequency under quiescent sync signal input
Pin Connection Diagram
Vert Blanking Output 17
Vert Drive Output 1
16 Horiz Hold−Down Input
Vert Filter 2
Filter 3
15 Horiz Drive Output
14 B (+)
Vert Size 4
13 VCO Control
12 Horiz AFC Output
VCC 2 5
Vert Hold 6
11 Horiz Key Pulse
Vert Sync Input 7
10 Video Input
Sync Output 8
9 VCC 1
GND 18
1.007 (25.5) Max
.964 (24.4)
17
16
8
1
9
16
.291
(7.4)
Max
.248 (6.3)
.252 (6.4)
.200 (5.08)
15°
.188
(4.77)
.020
(.508)
.100
(2.54)
Typ
.009
(0.22)