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