NTE NTE7001

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 (ϕ1)
D Internal Key Pulse for Phase Detector (ϕ1) (Additional Noise Limiting)
D Phase Comparison Between Line Flyback Pulse and Oscillator Volatge (ϕ2)
D Larger Catching Range Obtained by Coincidence Detector (ϕ3; Between Sync and Key Pulse)
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
Applications:
D Video Monitors
D TV Receivers
Absolute Maximum Ratings:
Supply Voltage
at Pin1 (Voltage Source), V1–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
at Pin2, V2–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Voltages
Pin4, V4–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Pin9, ±V9–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Pin10, ±V10–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Pin11, V11–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Absolute Maximum Ratings (Cont’d):
Currents
Pin2 and Pin3 (Thyristor Driving, Peak Value), I2M, –I3M . . . . . . . . . . . . . . . . . . . . . . . . 650mA
Pin2 and Pin3 (Transistor Driving, Peak Value), I2M, –I3M . . . . . . . . . . . . . . . . . . . . . . . 400mA
Pin4, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Pin6, ±I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Pin7, –I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Pin11, I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Total Power Dissipation, PTOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mW
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –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
V9–16
–
0.8
–
V
Input Keying Current
I9
5
–
100
µA
Input Leakage Current
I9
–
–
1
µA
Input Switching Current
I9
–
–
5
µA
Switch OFF Current
I9
100
150
–
µA
3
–
4
V
V10–16
–
1.4
–
V
Input Keying Current
I10
5
–
100
µA
Input Switching Current
I10
100
150
–
µA
Input Leakage Current
I10
–
–
1
µA
3
–
4
V
–
–
7
V
I6
0.02
1
2
mA
Input Switching Voltage
V6–16
–
1.4
–
V
Input Limiting Voltage
V6–16
–0.7
–
+1.4
V
Input Signal (Peak–to–Peak Value)
V9–16(P–P)
V9–16 = –5V
Note 1
Noise Separator
Input Switching Voltage
Input Signal (Peak–to–Peak Value)
V10–16 = –5V
V10–16(P–P) Note 1
Permissible Superimposed Noise Signal V10–16(P–P)
(Peak–to–Peak Value)
Line Flyback Pulse
Input Current
Switching on VCR
Input Voltage
Input Current
V11–16
0 to 2.5
V
9 to V1–16
V
–I11
–
–
200
µA
I11
–
–
2
mA
Pulse Duration Switch [t = 7µs (Thyristor Driving)]
Input Voltage
V4–16
–
9.4 to V1–16
V
Input Current
I4
200
–
–
µA
Pulse Duration Switch [t = 14µs + tD (Transistor Driving)]
Input Voltage
V4–16
0
–
3.5
V
Input Current
–I4
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, V3–16 = 0 or Input Pin4 Open)
Input Voltage
V4–16
5.4
–
6.6
V
Input Current
I4
–
0
0
µA
V8–16(P–P)
10
11
–
V
Output Resistance
R8
–
2
–
kΩ
Delay Between Leading Edge of Input
and Output Signal
tON
–
15
–
µs
Delay Between Trailing Edge of Input
and Output Signal
tOFF
–
tON
–
µs
V7–16(P–P)
10
11
–
V
Output Resistance
R7
–
70
–
Ω
Pulse Duration
tp
V7–16 = 7V
–
3.7
4.0
4.3
–
–
µs
µs
Phase Relation Between Middle of Sync
Pulse at the Input and the Leading
Edge of the Burst Gating Pulse
t
V7–16 = 7V
2.15
2.65
3.15
µs
Output Trailing Edge Current
I7
–
2
–
mA
V7–16(P–P)
4
5
–
V
Output Resistance
R7
–
70
–
Ω
Output Trailing Edge Current
I7
–
2
–
mA
Output Voltage (Peak–to–Peak Value)
V3–16(P–P)
–
10.5
–
V
Output Resistance for Leading Edge of
Line Pulse
R3
–
2.5
–
Ω
Output Resistance for Trailing Edge of
Line Pulse
R3
–
20
–
Ω
Pulse Duration (Thyristor Driving)
tp
V4–16 = 9.4 to V1–16V
5.5
7.0
8.5
µs
Pulse Duration (Transistor Driving)
tp
V4–16 = 0 to 4V, tFP = 12µs,
Note 2
–
14 + tD
–
µs
–
4
–
V
–
2.6
–
µs
|∆t|
–
–
0.7
µs
∆I5/∆t
–
30
–
µA/µs
Vertical Sync Pulse (Positive–Going)
Output Voltage (Peak–to–Peak Value)
Burst Gating Pulse (Positive–Going)
Output Voltage (Peak–to–Peak Value)
Line Flyback–Blanking Pulse (Positive–Going)
Output Voltage (Peak–to–Peak Value)
Line Drive Pulse (Positive–Going)
Supply Voltage for Switching OFF the
Output Pulse
V1–16
Overall Phase Relation
Phase Relation Between Middle of Sync
Pulse and the Middle of the Flyback
Pulse
Tolerance of Phase Relation
The Adjustment of the Overall Phase
Relation and Consequently the
Leading Edge of the Line Drive Occurs Automatically by Phase Control ϕ2. If Additional Adjustment is
Applied it can be Arranged by Current Supply at Pin5.
t
Note 3
Note 2. tD = Switch–OFF Delay of Line Output Stage.
Note 3. Line Flyback Pulse Duration tFP = 12µs.
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
V14–16
–
4.4
–
V
Threshold Voltage High Level
V14–16
–
7.6
–
V
±I14
–
0.47
–
mA
COSC = 4.7nF, ROSC = 12kΩ
–
15.625
–
kHz
Note 4
–
< ±5
–
%
∆fO/∆I15
–
31
–
Hz/µA
Adjustment Range of Network in Circuit
∆fO/fO
–
±10
–
%
Influence of Supply Voltage on Frequency
∆fO/fO
∆V/VNOM
Note 4
–
< ±0.05
–
%
Change of Frequency when V1–16
Drops to 5V
∆fO
Note 4
–
< ±10
–
%
Note 4
–
< ±10–4
–
Hz/°C
Discharge Current
Frequency; Free Running
Spread of Frequency
Frequency Control Sensitivity
fO
∆fO/fO
Temperature Coefficient of Oscillator
Frequency
Phase Comparison ϕ1
Control Voltage Range
V13–16
3.8
8.2
–
V
Control Current (Peak Value)
±I13M
1.9
2.3
–
mA
–
–
1
µA
Output Leakage Current
I13
V13–16 = 4 to 8V
Output Resistance
R13
V13–16 = 4 to 8V, Note 5
High Ohmic
V13–16 < 3.8V or > 8.2V, Note 6
Low Ohmic
Control Sensitivity
Catching and Holding Range
Spread of Catching and Holding Range
∆f
∆(∆f)
–
2
–
kHz/µs
82kΩ Between Pins 13 and 15
–
±780
–
Hz
Note 4
–
±10
–
%
Phase Comparison ϕ2 and Phase Shifter
Control Voltage range
V5–16
5.4
–
7.6
V
Control Current (Peak Value)
±I5M
–
1
–
mA
Output Resistance
R5
V5–16 = 5.4 to 7.6V, Note 7
–
High Ohmic
V5–16 < 5.4 or > 7.6V
–
8
–
kΩ
Input Leakage Current
I5
V5–16 = 5.4 to 7.6V
–
–
5
µA
Permissible Delay Between Leading
Edge of Output Pulse and Leading
Edge of Flyback Pulse
tD
tFP = 12µs
–
–
15
µs
∆t/∆tD
–
–
0.2
%
V11–16
0.5
0
6.0
V
Static Control Error
Coincidence Detector ϕ3
Output Voltage
Output Current (Peak Value)
I11M
Without Coincidence
–
0.1
–
mA
–I11M
With Coincidence
–
0.5
–
mA
V12–16
–
6
–
V
Output Current (Limited)
±I12
–
–
1
mA
Output Resistance
R12
V11–16 = 2.5 to 7V
–
0.1
–
kΩ
V11–16 < 1.5V or > 9V
–
60
–
kΩ
Time Constant Switch
Output Voltage
DC and AC Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
–
7.5
–
µs
Internal Gating Pulse
Pulse Duration
tp
Note 4. Excluding External Component Tolerances.
Note 5. Current Source.
Note 6. Emitter–Follower.
Note 7. Current Source.
Pin Connection Diagram
VCC
16 GND
1
Trigger Pulse Input 2
15 OSC Frequency Adjust
Line Pulse Output 3
14 OSC Cap Input
Pulse Duration Switch 4
Phase Shifter
13 Phase Detector 1
5
12 Time Constant Switch
FB Pulse Input 6
Blank Pulse Output
7
11 VCR Switch/
Coincidence Detector
10 Noise Separator
Vertical Sync Pulse Output
8
9
16
Video Input
9
.260 (6.6) Max
1
8
.785 (19.9)
Max
.300
(7.62)
.200 (5.08)
Max
.245
(6.22)
Min
.100 (2.54)
.700 (17.7)