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Fabricante

NTE1784

Integrated Circuit TV Horizontal Processor

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = +25°C, VS = 12V unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Horizontal Sync Separator and Noise Gate

Input Signal (Peak–to–Peak)

Input Switching Voltage

Input Switching Current

Input Blocking Current for Noise

Suppression

Vi

V8 I8 = 80µA

I8

V8 = 1.4V

I8

1

3

6

V

– 1.5 –

V

–

10

–

µA

– 0.9 – mA

Input Switching Voltage for Noise

V8

Suppression

– 2.1 –

V

Leakage Current

Vertical Sync Separator

I8

V8 = –5V

–

–

1

µA

Input Signal (Peak–to–Peak)

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

1

3

6

V

– 1.5 –

V

–

5

–

µA

–

–

1

µA

11

–

–

kΩ

–

10

–

kΩ

–

17 –

µs

Delay between Trailing Edge of Input

tTV

and Output Signals

–

50 –

µs

Vertical Sync Pulse Duration

tV

Protection Circuit

– 190 –

µs

Input Voltage for Switching Off the

Output Pulses

V4 Output pulses OFF

Output pulses ON

–

– 0.5 V

1

–

–

V

Input Resistance

R4

Input Current

I4

Flyback Pulse

– 200 –

kΩ

5

–

–

µA

Input Threshold Voltage of Blanking

V6

‘Generator

– 1.5 –

V

Input Threshold Voltage of Phase

V6

Comparator

– 7.6 –

V

Input Switching Current

Output Pulse

I6

V6 ≥ 1.7V

– 0.23 – mA

Output Voltage (Peak–to–Peak)

Output Current

Output Resistance

V3 I3 = 150mAP–P

–

10

–

V

I3

V3 = 5V

– 500 – mA

R3 At leading edge of output pulse –

3

–

Ω

At trailing edge of output pulses –

20

–

Ω

Output Pulse Duration

tp

Composite Blanking and Key Pulse

20 22 26 µs

Key Pulse Output Peak Voltage

V7K

Blanking Pulse Output Voltage

V7B

Output Resistance

R7

9

11

–

V

4.2 4.5 4.8 V

– 100 –

Ω

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