836

NTE836
Linear Integrated Circuit
TV Horizontal Processor
Description:
The NTE836 is a TV Horizontal Processor in an 8–Lead DIP type package that includes a phase detector, oscillator and pre–driver. This device is designed for use in all types of television receivers that
have negative flyback inputs.
Features:
D Internal Shunt Regulator
D Preset Hold Control Capability
D ± 300Hz Typical Pull–In
D Linear Balanced Phase Detector
D Variable Output Duty Cycle for Driving Tube or Transistor
D Low Thermal Frequency Drift
D Small Static Phase Error
D Adjustable DC Loop Gain
D Negative Flyback Inputs
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Sync Input Voltage (Pin3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0V(p–p)
Flyback Input Voltage (Pin4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0V(p–p)
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate above TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
8.0
8.6
9.0
V
–
20
–
mA
–
0.15
0.25
V
Voltage (Pin4)
–
2.0
–
V
Oscillator Pull–In Range
–
±300
–
Hz
Oscillator Hold–In Range
–
±900
–
Hz
–
0.5
–
µs
Free–Running Frequency Supply Dependence S1 in Position 2
–
±3.0
–
Hz/V
Phase Detector Leakage (Pin5)
–
–
±1.0
µA
Sync Input Voltage (Pin3)
2.0
–
5.0
VP–P
Sawtooth Input Voltage (Pin4)
1.0
–
3.0
VP–P
Regulated Voltage (Pin6)
Supply Current (Pin6)
Collector–Emitter Saturation Voltage
IC = 20mA, Pin1
∆f = 300Hz
Static Phase Error
All Switches in Position 2
Pin Connection Diagram
Output 1
8 Mark Space Ratio
GND 2
Sync Input 3
7 OSC Timing
6 VCC
Sawtooth Input 4
8
5 Phase Detector Output
5
.256 (6.52) Max
1
4
.393 (10.0)
Max
.300 (7.62)
.150
(3.81)
.100 (2.54)
.070 (1.77) Min
.300 (7.62)