NTE7084 데이터 시트보기 (PDF) - NTE Electronics
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NTE7084 Datasheet PDF : 3 Pages
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Electrical Characteristics: (TA = +25°C, VCC14 = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
VCC14 Current Dissipation
VCC18 Supply Voltage
Zener Bias Minimum Current
ICC14
VCC18
13.5 – 29.0 mA
11.8 – 13.2 V
–
– 13 mA
Sync Separator Input DC Level
9.0 – 9.6 V
Sync Signal Peak Value
9.5 – 11.5 V
Burst Gate Pulse Peak Value (SCP)
9.5 – 11.5 V
Burst Gate Pulse Delay Time 1 (SCP)
TBR
Burst Gate Pulse Delay Time 2 (SCP)
TBF
Horizontal Blanking Pulse Peak Value (SCP)
–
– 0.5 µs
3.6 – 4.2 µs
2.7 – 3.3 V
Horizontal Blanking Pulse Peak Value (CBP)
I = 1mA
12.7 – 13.5 V
Vertical Blanking Pulse Peak Value (CBP)
Load Resistance R = 33kΩ
7.2 – 8.2 V
Vertical Frequency Pull–In Range
Vertical Sync 60Hz
9.0 – 11.0 Hz
Vertical Free–Running Frequency
Supply Voltage Dependence of Vertical
Frequency
fv VR1 = fv center 55Hz
V14 = 12V ±1V, 55Hz at 12V
50 – 60 Hz
–0.5 – 0.5 Hz
Middle Point Control Threshold Level
3.8 – 4.4 V
Vertical Blanking Threshold Level
5.0 – 5.7 V
Vertical Oscillation Start Voltage
–
–4
V
Temperature Characteristic of Vertical
Frequency
TA = –10° to +60°C
–0.028 – 0.028 Hz/°C
Vertical Driver Amplification Factor
12 – 17 dB
Horizontal AFCD.C Loop Gain
Horizontal Free–Running Frequency
Horizontal Oscillation Start Voltage
+sign at V1 = 5V,
–sign at V1 = 1V
fH fH center 15.73kHz
±0.6 – ±1.5 mA
–750 – 750 Hz
–
–4
V
Supply Voltage Dependence of Horizontal
Frequency
VZ – VZ x 90%
–50 – 50 Hz
Pin Connection Diagram
AFC Comparison
Sawtooth Wave Input
1
AFC Output 2
Time Constant Circuit 3
Horizontal Output 4
18 +VCC18 (Horizontal)
17
Composite Blanking
Pulse Output
16 Video Signal Input
(Positive)
15 Time Constant Circuit
Holddown Input 5
GND 6
Vertical Drive Output 7
Vertical Drive
Sawtooth Wave Input
8
Vertical Output
Middle Point Voltage
9
14 +VCC14 (Vertical)
13
Sandcastle Pulse
Output
12
Horiz, Vert Sync
Signal Output
11 Vertical Trigger Input
10 Time Constant Circuit
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