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NTE1727 Datasheet Preview

NTE1727 Datasheet

Integrated Circuit TV Signal Processor

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NTE1727 pdf
NTE1727
Integrated Circuit
TV Signal Processor
Description:
The NTE1727 is an integrated circuit designed for color TV deflection signal processing circuits. It
can be operated with a 12V power supply and is suitable for compact and medium–sized color TV
sets.
Features:
D Built–In Vertical Deflection Driver Circuit
D Incorporating Vertical and Horizontal Oscillator Circuit, Operations Highly Stable Against
Changes in sSupply Voltage and Temperature.
D Highly Stable Synchronous Separation Circuit Against Noise
D Built–In High Tension Protector Circuit (X–Ray Protection)
D 12V Supply Voltage Operation
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage
V7–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5V
V15–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage
V1–9, V12–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 10V
V10–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V15–9
V17–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 6V
V18–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3V to 2V
Supply Current
I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16mA
I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23mA
Circuit Current
I2, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3mA to 3mA
I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5mA to 0mA
I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to 1mA
I6, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30mA to 0mA
I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –2mA to 1mA
I13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0mA to 30mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Note 1. + and – are flow–in and flow–out currents to/from the circuit, respectively.



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NTE1727 Datasheet Preview

NTE1727 Datasheet

Integrated Circuit TV Signal Processor

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NTE1727 pdf
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
Unit
Circuit Current
Protector Operating Voltage
Oscillation Starting Voltage
(V Osc)
I7 Apply 12V with 200 to Pin7
7.5 12.0 15.5
I15 V159 = 12V
18 25 33
V59 Apply 12V with 200 to pin7
0.73 0.86
VOSCs(1) fVO = 40Hz to 60Hz, 0.7VPP or more – – 6
mA
mA
V
V
Vertical Oscillation Frequency
fVO Change with Supply
Voltage
fVO VCC 1 = 12V, ROSC(V) = 9.5k
DfVO/VCC fVO |9.6V to fVO| 14.4V
47 50 53
0 1.0 1.3
Hz
Hz
Pulse Width (V Osc)
Vertical PullIn Range
Vertical Sawtooth Wave
Amplification
t
fVP
V(saw)
VCC 1 = 12V, ROSC(V) = 9.5k
VCC 1 = 12V, ROSC(V) = 9.5k
VCC 1= 12V, ROSC(V) = 9.5k
420 600 780
43 47
0.9 1.2 1.5
µs
Hz
VPP
fVO Change with Ambient
Temperature
DfVO/TA TA = 20° to +70°C
0.8
Hz/°C
V(saw) Change with Ambient
Temperature
DV(saw)/TA TA = 20° to +70°C
– – 30 mVPP/°C
Oscillation Starting Voltage
Horizontal Oscillation
Frequency
VOSCs(2) fVO = 10kHz to 20kHz, 1VPP or more
fHO VCC2 = 12V, ROSC(H) = 2.95k
––6
15.0 15.75 16.25
V
kHz
fHO Change with Supply
Voltage
DfHO/VCC fHO |9.6V to fHO| 14.4V
0 100 200
Hz
Pulse Width Duty Ratio
(H Osc)
t VCC 2 = 12V
31.5 35.4 38.9
&
fHO Control Sensitivity
fHO Change with Ambient
Temperature
b IO = ±100µA
DfHO/TA TA = 20° to +70°C
19 21 23
1.67 +1.67
Hz/µA
Hz/°C
AFC Loop Gain
fAFC µ x b
5800 7700 9600 Hz/rad
Pin Connection Diagram
AFC Reference Signal Input 1
Horizontal AFC Output 2
Horizontal Hold Volume 3
Horizontal OSC Capacitor 4
XRay Protect Input 5
Horizontal Output 6
VCC 2 7
Vertical Output 8
GND 9
18 Video Signal Input
17 Noise Detector Input
16 Sync Separator Output
15 VCC 1
14 Vertical Integral Capacitor
13 Vertical Hold Volume
12 Vertical Pulse Output
11 Vertical Sawtooth Capacitor
10 DC/AC Feedback Input


Part Number NTE1727
Description Integrated Circuit TV Signal Processor
Maker NTE
Total Page 3 Pages
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