Datasheet NTE7001 Datasheet (NTE)

NTE7001

Integrated Circuit

Horizontal Combination Circuit for

Color TV & Computer Monitors

Description:

The NTE7001 is a monolithic integrated circuit in a 16–Lead DIP type package intended for use in
color television receivers.

Features:

D Horizontal Oscillation Based on the Threshold Switching Principle
D Phase Comparasion Between Sync Pulse and Oscillator Voltage (ϕ
D Internal Key Pulse for Phase Detector (ϕ

) (Additional Noise Limiting)

1

D Phase Comparison Between Line Flyback Pulse and Oscillator Volatge (ϕ
D Larger Catching Range Obtained by Coincidence Detector (ϕ

; Between Sync and Key Pulse)

3

D Switch for Changing the Filter Characteristic and the Gtae Circuit (VCR Operation)
D Sync Separator
D Noise Separator
D Vertical Sync Separator and Output Stage
D Color Burst Keying and Line Flyback Blanking Pulse Generator
D Phase Shifter for the Output Pulse
D Output Pulse Duration Switching
D Output Stage with Separate Supply Voltage for Direct Drive of Thyristor Deflection Circuits
D Low Supply Voltage Protection

)

1

)

2

Applications:

D Video Monitors
D TV Receivers

Absolute Maximum Ratings:

Supply Voltage

at Pin1 (Voltage Source), V
at Pin2, V

2–16

Voltages

Pin4, V
Pin9, ±V
Pin10, ±V
Pin11, V

4–16

9–16

10–16

11–16

1–16

13.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Absolute Maximum Ratings (Cont’d):

Currents

Pin2 and Pin3 (Thyristor Driving, Peak Value), I
Pin2 and Pin3 (Transistor Driving, Peak Value), I
Pin4, I
Pin6, ±I
Pin7, –I
Pin11, I

Total Power Dissipation, P

4

6
7

11

TOT

Operating Ambient Temperature Range, T
Storage Temperature Range, T

stg

2M

2M

, –I

, –I

3M

3M

650mA. . . . . . . . . . . . . . . . . . . . . . . .

400mA. . . . . . . . . . . . . . . . . . . . . . .

1mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

800mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A

–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–25°C to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC and AC Electrical Characteristics:

(VCC = 12V, TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Sync Separator

Input Switch Voltage V
Input Keying Current I
Input Leakage Current I
Input Switching Current I
Switch OFF Current I
Input Signal (Peak–to–Peak Value) V

9–16

9
9
9
9

9–16(P–P)

V

= –5V – – 1 µA

9–16

Note 1 3 – 4 V

Noise Separator

Input Switching Voltage V
Input Keying Current I
Input Switching Current I
Input Leakage Current I
Input Signal (Peak–to–Peak Value) V
Permissible Superimposed Noise Signal

(Peak–to–Peak Value)

10–16

10
10
10

10–16(P–P)

V

10–16(P–P)

V

= –5V – – 1 µA

10–16

Note 1 3 – 4 V

Line Flyback Pulse

Input Current I
Input Switching Voltage V
Input Limiting Voltage V

6
6–16
6–16

Switching on VCR

Input Voltage V

Input Current –I

11–16

11

I

11

Pulse Duration Switch [t = 7µs (Thyristor Driving)]

Input Voltage V
Input Current I

4–16

4

Pulse Duration Switch [t = 14µs + tD (Transistor Driving)]

Input Voltage V
Input Current –I

4–16

4

– 0.8 – V
5 – 100 µA

– – 5 µA

100 150 – µA

– 1.4 – V
5 – 100 µA

100 150 – µA

– – 7 V

0.02 1 2 mA

– 1.4 – V

–0.7 – +1.4 V

0 to 2.5 V

9 to V

1–16

V

– – 200 µA
– – 2 mA

– 9.4 to V

1–16

V

200 – – µA

0 – 3.5 V

200 – – µA

Note 1. Permissible Range 1V to 7V.

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

Parameter Symbol Test Conditions Min Typ Max Unit

Pulse Duration Switch (t = 0, V

Input Voltage V
Input Current I

Vertical Sync Pulse (Positive–Going)

Output Voltage (Peak–to–Peak Value) V
Output Resistance R
Delay Between Leading Edge of Input

and Output Signal

Delay Between Trailing Edge of Input

and Output Signal

Burst Gating Pulse (Positive–Going)

Output Voltage (Peak–to–Peak Value) V
Output Resistance R
Pulse Duration t

Phase Relation Between M iddle of Sync

Pulse at the Input and the Leading
Edge of the Burst Gating Pulse

Output Trailing Edge Current I

Line Flyback–Blanking Pulse (Positive–Going)

Output Voltage (Peak–to–Peak Value) V
Output Resistance R
Output Trailing Edge Current I

Line Drive Pulse (Positive–Going)

Output Voltage (Peak–to–Peak Value) V
Output Resistance for Leading Edge of

Line Pulse

Output Resistance for Trailing Edge of

Line Pulse
Pulse Duration (Thyristor Driving) t
Pulse Duration (Transistor Driving) t

Supply Voltage for Switching OFF the

Output Pulse

Overall Phase Relation

Phase Relation Between M iddle of Sync

Pulse and the Middle of the F lyback

Pulse
Tolerance of Phase Relation |∆t| – – 0.7 µs
The Adjustment of the Overall Phase

Relation and Consequently the

Leading Edge of the Line D rive Oc-

curs Automatically by Phase Con-

. If Additional Adjustment is

trol ϕ

2

Applied it can be Arranged by Cur-

rent Supply at Pin5.

Note 2. tD = Switch–OFF Delay of Line Output Stage.
Note 3. Line Flyback Pulse Duration t

= 0 or Input Pin4 Open)

3–16

4–16

4

8–16(P–P)

8

t

ON

t

OFF

7–16(P–P)

7

p

t V

7

7–16(P–P)

7

7

3–16(P–P)

R

3

R

3

p
p

V

= 7V –

7–16

= 7V 2.15 2.65 3.15 µs

7–16

V

= 9.4 to V

4–16

V

= 0 to 4V, tFP = 12µs,

4–16

V 5.5 7.0 8.5 µs

1–16

5.4 – 6.6 V
– 0 0 µA

10 11 – V

– 2 – kΩ
– 15 – µs

– t

ON

10 11 – V

– 70 – Ω

4.0

3.7

4.3

– 2 – mA

4 5 – V

– 70 – Ω
– 2 – mA

– 10.5 – V
– 2.5 – Ω

– 20 – Ω

– 14 + t

D

Note 2

V

1–16

– 4 – V

t Note 3 – 2.6 – µs

∆I5/∆t – 30 – µA/µs

= 12µs.

FP

– µs

–
–

µs
µs

– µs

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

Parameter Symbol Test Conditions Min Typ Max Unit

Oscillator

Threshold Voltage Low Level V
Threshold Voltage High Level V
Discharge Current ±I
Frequency; Free Running f
Spread of Frequency ∆fO/f
Frequency Control Sensitivity ∆fO/∆I
Adjustment Range of Network in Circuit ∆fO/f
Influence of Supply Voltage on Fre-

quency

Change of Frequency when V

1–16

14–16
14–16

∆fO/f

∆V/V

∆f

14

O

NOM

O

C

= 4.7nF, R

OSC

Note 4 – < ±5 – %

O

15

O

Note 4 – < ±0.05 – %

O

= 12kΩ – 15.625 – kHz

OSC

Note 4 – < ±10 – %

Drops to 5V

Temperature Coefficient of Oscillator

Note 4 – < ±10

Frequency

Phase Comparison ϕ

Control Voltage Range V
Control Current (Peak Value) ±I
Output Leakage Current I
Output Resistance R

1

13–16

13M

V

13

13

= 4 to 8V – – 1 µA

13–16

V

= 4 to 8V, Note 5 High Ohmic

13–16

V

< 3.8V or > 8.2V, Note 6 Low Ohmic

13–16

Control Sensitivity – 2 – kHz/µs
Catching and Holding Range ∆f 82kΩ Between Pins 13 and 15 – ±780 – Hz
Spread of Catching and Holding Range ∆(∆f) Note 4 – ±10 – %

Phase Comparison ϕ2 and Phase Shifter

Control Voltage range V
Control Current (Peak Value) ±I
Output Resistance R

Input Leakage Current I
Permissible Delay Between Leading

Edge of Output Pulse and Leading
Edge of Flyback Pulse

Static Control Error ∆t/∆t

Coincidence Detector ϕ

3

Output Voltage V
Output Current (Peak Value) I

5–16

t

11–16

11M

–I

5M

5

5

D

11M

V

= 5.4 to 7.6V, Note 7 – High Ohmic

5–16

V

< 5.4 or > 7.6V – 8 – kΩ

5–16

V

= 5.4 to 7.6V – – 5 µA

5–16

tFP = 12µs – – 15 µs

D

Without Coincidence – 0.1 – mA
With Coincidence – 0.5 – mA

Time Constant Switch

Output Voltage V
Output Current (Limited) ±I
Output Resistance R

12–16

12
12

V

= 2.5 to 7V – 0.1 – kΩ

11–16

V

< 1.5V or > 9V – 60 – kΩ

11–16

– 4.4 – V
– 7.6 – V
– 0.47 – mA

– 31 – Hz/µA
– ±10 – %

–4

– Hz/°C

3.8 8.2 – V

1.9 2.3 – mA

5.4 – 7.6 V

– 1 – mA

– – 0.2 %

0.5 0 6.0 V

– 6 – V
– – 1 mA

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

Parameter Symbol Test Conditions Min Typ Max Unit

Internal Gating Pulse

Pulse Duration t

p

Note 4. Excluding External Component Tolerances.
Note 5. Current Source.
Note 6. Emitter–Follower.
Note 7. Current Source.

Pin Connection Diagram

– 7.5 – µs

V

CC

Trigger Pulse Input

Line Pulse Output

Pulse Duration Switch

16 9

1
2
3
4
5Phase Shifter

6FB Pulse Input
7Blank Pulse Output

GND

16

OSC Frequency Adjust

15

OSC Cap Input

14
13

Phase Detector 1

12 Time Constant Switch

VCR Switch/

11

Coincidence Detector

10 Noise Separator

8Vertical Sync Pulse Output 9 Video Input

.260 (6.6) Max

.245

(6.22)

Min

18

.785 (19.9)

Max

.300

(7.62)

.200 (5.08)

Max

.100 (2.54)

.700 (17.7)