Horizontal Processor. NTE1784 Datasheet

NTE1784 Processor. Datasheet pdf. Equivalent

Part NTE1784
Description Integrated Circuit TV Horizontal Processor
Feature NTE1784 Integrated Circuit TV Horizontal Processor Description: The NTE1784 is an integrated circuit.
Manufacture NTE
Datasheet
Download NTE1784 Datasheet




NTE1784
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:
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: (TA = +25°C unless otherwise specified)
Supply Voltage (Pin1), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Circuit Voltage, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Circuit Voltage, V4, V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS
Circuit Voltage, V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS to –6V
Circuit Voltage, V9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6V to –6V
Peak Circuit Current, I2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Peak Circuit Current, I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA
Circuit Current, I6, I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Circuit Current, I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Total Power Dissipation (TA +70°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Maximum Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Electrical Characteristics: (TA = +25°C, VS = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage
VS 10.0 12.0 13.2 V
Output pulses at Pin2 and Pin3 OFF – – 4 V
Supply Current
IS I3 = 0
– 40 52 mA



NTE1784
Electrical Characteristics (Cont’d): (TA = +25°C, VS = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
Horizontal Sync Separator and Noise Gate
Input Signal (PeaktoPeak)
Input Switching Voltage
Input Switching Current
Input Blocking Current for Noise
Suppression
Vi
V8 I8 = 80µA
I8 V8 = 1.4V
I8
136
1.5
10
0.9
Input Switching Voltage for Noise
Suppression
V8
2.1
Leakage Current
Vertical Sync Separator
I8 V8 = 5V
––1
Input Signal (PeaktoPeak)
Input Switching Voltage
Input Switching Current
Leakage Current
Vertical Sync Pulse Output Voltage
Output Resistance
Delay between Leading Edge of Input
and Output Signals
Vi
V9 I9 = 80µA
I9 I9 = 1.4V
I9 V9 = 5V
V10 No load at Pin10
R10
tLV
136
1.5
5
––1
11
10
17
Delay between Trailing Edge of Input
and Output Signals
tTV
50
Vertical Sync Pulse Duration
Protection Circuit
tV
190
Input Voltage for Switching Off the
Output Pulses
V4 Output pulses OFF
Output pulses ON
– – 0.5
1––
Input Resistance
Input Current
Flyback Pulse
R4
I4
200
5––
Input Threshold Voltage of Blanking
Generator
V6
1.5
Input Threshold Voltage of Phase
Comparator
V6
7.6
Input Switching Current
Output Pulse
I6 V6 1.7V
0.23
Output Voltage (PeaktoPeak)
Output Current
Output Resistance
V3 I3 = 150mAPP
10
I3 V3 = 5V
500
R3 At leading edge of output pulse 3
At trailing edge of output pulses 20
Output Pulse Duration
Composite Blanking and Key Pulse
tp
20 22 26
Key Pulse Output Peak Voltage
Blanking Pulse Output Voltage
Output Resistance
V7K
V7B
R7
9 11
4.2 4.5 4.8
100
Unit
V
V
µA
mA
V
µA
V
V
µA
µA
k
k
µs
µs
µs
V
V
k
µA
V
V
mA
V
mA
µs
V
V







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