NTE1779 데이터 시트보기 (PDF) - NTE Electronics
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NTE1779 Datasheet PDF : 2 Pages
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NTE1779
Integrated Circuit
TV VIF Amp, Phase Lock Loop (PLL)
Description:
The NTE1779 is an integrated circuit in a 22–Lead DIP type package designed for color TV video IF
signal processing circuits.
Features:
D High Density One–Chip Integration of Video IF Amplifier, PLL Detector, Video Pre–Amplifier,
AGC and AFC Circuits
D PLL True Synchronous Detector Incorporates VCO
D Wide Pull–In Range by Time–Constant Auto–Changer of PLL Loop–Filter
D Selective Transformerless AFC Circuit
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage
V1–8,16/V9–8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
V2–8,16/V9–8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
V3–8,16/V9–8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
V11–8,16/V9–8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
V19–8,16/V9–8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Circuit Voltage
I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10/0.5mA
I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10/1mA
I17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –2/5mA
Power Dissipation (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
IF Amplifier Detector
Video Detector Output
Input Sensitivity
Maximum Allowable Input
Differential Gain
Differential Phase
Output Voltage (SIF)
VO
S(IN)
VI9max)
DG
DP
VO
f = 58.75MHz, Vi = 80dBµ, m = 87.5%
f = 58.75MHz, Vi = 80dBµ, m = 110%
VO = –3dB
f = 58.75MHz, Vi = 80dBµ, m = 87.5%
f = 58.75MHz, Vi = 80dBµ, m = 110%
f = 58.75MHz, Vi = 80dBµ, m = 87.5%
f = 58.75MHz, Vi = 80dBµ, m = 110%
P/S = 20dB
1.8 2.05 2.3
2.1 2.6 3.1
51 55 60
101 104 –
–26
– 5 13
–25
– 5 12
98 101 104
Unit
VP–P
VP–P
dBµ
dBµ
%
%
deg
deg
dBµ
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