NTE1550
Integrated Circuit
TV Sync Signal Processor
Functions:
D
Sync Separator
D
Horizontal Automatic Frequency Control (AFC)
D
Horizontal Oscillator
D
X−Ray Protector
D
Vertical Oscillator
D
Vertical Driver
Features:
D
Fewer External Components
D
10V
p−p
Sync Separator Output
D
Voltage Regulator for Horizontal Supply Voltage
D
7.5Hz/rad Horizontal AFC DC Loop Gain
D
Output Stage Positive Feedback Eliminated by Vertical Oscillator’s Astable Multivibrator
D
Vertical Oscillator Waveform used for Vertical Output Drive; Only One High−Stability (Tantalum)
Capacitor Required for Vertical Stage
D
Vertical Output Stage Stabilized by DC Feedback to Pin3
D
Vertical Linearity Adjustment can be Eliminated
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Power Dissipation (T
A
= +75°C), P
T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Output Current (Pin2, Pin10, and Pin16), I
O
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−20°
to + 75°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−55°
to +125°C
Electrical Characteristics:
Parameter
Line Circuitry
Regulated Voltage
Supply Current
Free−Running Frequency
Pull−In Range
APC Loop Gain
Temperature Coefficient
Output Pulse Width
V
11
I
CC
f
oh
∆f
ph
f
c
∆f
oh
t
hw
Pin10
R
h
= 12.6kΩ, C
h
= 5.6nF
I
CC
= 15mA
−
−
±450
577.5
−6.0
22.5
12.8
15
±650
750
−3.0
25.0
−
−
−
1070
0
27.5
V
mA
Hz
Hz
Hz/µs
Hz/°C
µs
Symbol
Test Conditions
Min
Typ
Max
Unit
14,734 15,734 16,734
NTE [ NTE ELECTRONICS ]
