NTE NTE836 Datasheet

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
Flyback Input Voltage (Pin4) 5.0V
Power Dissipation, P

D

Derate above T
Operating Ambient Temperature Range, T
Storage Temperature Range, T

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A

opr

stg

625mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.0mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–65° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(p–p)
(p–p)

Electrical Characteristics: (TA = +25°C unless otherwise specified)

Parameter Test Conditions Min Typ Max Unit

Regulated Voltage (Pin6) 8.0 8.6 9.0 V
Supply Current (Pin6) – 20 – mA
Collector–Emitter Saturation Voltage IC = 20mA, Pin1 – 0.15 0.25 V
Voltage (Pin4) – 2.0 – V
Oscillator Pull–In Range – ±300 – Hz
Oscillator Hold–In Range – ±900 – Hz
Static Phase Error ∆f = 300Hz – 0.5 – µs
Free–Running Frequency Supply Dependence S1 in Position 2 – ±3.0 – Hz/V
Phase Detector Leakage (Pin5) All Switches in Position 2 – – ±1.0 µA
Sync Input Voltage (Pin3) 2.0 – 5.0 V
Sawtooth Input Voltage (Pin4) 1.0 – 3.0 V

Pin Connection Diagram

Output

GND

Sync Input

Sawtooth Input

85

14

2
3

4

Mark Space Ratio1

8
7

OSC Timing
V

6

CC

Phase Detector Output

5

.256 (6.52) Max

P–P
P–P

.393 (10.0)

Max

.300 (7.62)

.300 (7.62)

.150

(3.81)

.070 (1.77) Min.100 (2.54)