Integrated Circuit. NTE1779 Datasheet

NTE1779 Circuit. Datasheet pdf. Equivalent

Part NTE1779
Description Integrated Circuit
Feature NTE1779 Integrated Circuit TV VIF Amp, Phase Lock Loop (PLL) Description: The NTE1779 is an integrat.
Manufacture NTE
Datasheet
Download NTE1779 Datasheet



NTE1779
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



NTE1779
Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
AGC Circuit
RF AGC Voltage Gain
AFC Circuit
GV f = 10kHz, Vi = 10mV
33 37 41 dB
Phase Detector Sensitivity
AFC Center Voltage
VCO Circuit
RL = 30/39k
V19 RL = 30k/39k
28 35 45 mV/kHz
5.3 6.6 7.3 V
Maximum Variable Range
Control Sensitivity
fv V18 = 2V
V18 = 3V
β
0.85 1.1 MHz
– –1.6 1.3 MHz
2.9 3.3 3.7 mV/kHz
APC Circuit
APC PullIn Range
fAPC APC Filter SW is set to OFF
+0.8 +1.0 +1.5 MHz
2.5 2.0 1.7 MHz
Serial Characteristics
Circuit Current
I9
I15
45 54 68
7 9 12
mA
mA
Pin Connection Diagram
IF AGC Filter 1
RF AGC Delay Adjust 2
RF AGC Output 3
Input Bias 4
IF Input 5
IF Input 6
Input Bias 7
GND 8
VCC 9
Video Output 10
Video Input 11
22 Lock Detect Filter
21 AFC Coil
20 AFC Coil
19 AFC Output
18 APC Filter
17 APC Filter Switch
16 GND (VCO)
15 VCO Coil
14 VCO Coil
13 VCO Coil
12 Detector Output
22 12
.338
(8.6)
1 11
1.050 (26.67)
.185
(4.7)
.100 (2.54)
1.000 (25.4)
.129 (3.3)







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