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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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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.
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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
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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
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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)
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