Datasheet > NTE1632

NTE1632

更新时间： 2024-02-01 05:56:06

品牌	Logo	应用领域
NTE		/
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描述
Integrated Circuit Vertical/Horizontal Sync Separator

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技术参数
数据手册

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NTE1632 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.65	Base Number Matches：	1

NTE1632 数据手册

NTE1632

Integrated Circuit

Vertical/Horizontal Sync Separator

Description:

The NTE1632 separates the horizontal and vertical sync pulses from the composite TV video signal

and uses them to synchronize vertical and horizontal oscillators. The NTE1632 is supplied in a

18−Lead DIP type package.

Features:

D Horizontal sync separator & noise inverter

D Horizontal oscillator

D Horizontal phase detector (sync to oscillator)

D Horizontal output stage

D Inhibit of horizontal phase detector & video transmitter identification circuit during vertical oscil-

lator flyback

D Stabilizer & supply circuit for staring the horizontal oscillator & output stage directly from the

mains rectifier

D Duty factor of horizontal output pulse is 50% when flyback pulse is absent

D Vertical sync separator

D Vertical comparator with internal 3% precorrection circuit for vertical oscillator/sawtooth

generator

D Vertical driver stage

D Vertical blanking pulse generator with external adjustment of pulse duration (50Hz: 21 lines:

60Hz: 17 lines)

D Vertical guard circuit

D Bandgap 6.5V reference voltage for vertical oscillator & comparator

D Synchronized vertical oscillator/sawtooth generator (synchronization inhibited when no video

transmitter is detected)

D Time constant switch for phase detector (fast time constant during catching)

D Slow time constant for noise only conditions

D Time constant externally switchable (e.g. fast for VCR)

D Second phase detector for storage compensation of horizontal deflection stage

D Sandcastle pulse generator (3 levels)

D Video transmitter identification circuit

D Internal circuit for 3% parabolic precorrection of the oscillator/sawtooth generator. Comparator

supplied with precorrected sawtooth & external feedback input

Parameter

Symbol

Min

Typ

Max

Unit

Supply:

Minimum Current Required to Start Horizontal Oscillator & Output

Stage (Pin 16)

I₁₆

−

12 3 4 5

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