
NTE1784
Integrated Circuit
TV Horizontal Processor
Description:
The NTE1784 is an integrated circuit in a 16–Lead DIP type package designed for use as a horizontal
processor circuit for B/W and color television receivers.
Features:
Noise Gated Horizontal Sync Separator
Noise Gated Vertical Sync Separator
Horizonyal Oscillator with Frequency Range Limiter
Phase Comparator between Sync Pulses and Oscillator Pulses (PLL)
Phase Comparator between Flyback Pulses and Oscillator Pulses (PLL)
Loop Gain and Time Constant Switching (VCR)
Composite Blanking and Key Pulse Generator
Protection Circuits
Output Stages with High Current Capability
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage (Pin1), V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
4
, V
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Circuit Current, I
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Circuit Current, I
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Current, I
6
, I
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Current, I
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Power Dissipation (T
A
≤
+70
°
C), P
tot
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Thermal Resistance, Junction–to–Ambient, R
thJA
15V
18V
V
S
V
S
to –6V
+6V to –6V
1A
500mA
30mA
20mA
1W
–40
°
to +150
°
C
–40
°
to +150
°
C
80
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
(T
A
= +25
°
C, V
S
= 12V unless otherwise specified)
Parameter
Symbol
Supply Voltage
V
S
Test Conditions
Min
10.0
–
–
Typ
12.0
–
40
Max
13.2
4
52
Unit
V
V
mA
Output pulses at Pin2 and Pin3 OFF
I
3
= 0
Supply Current
I
S