1542

NTE1542
Integrated Circuit
Color TV Video IF System
Features:
D High−gain IF amp.
D Wide AGC Range
D Excellent characteristic against noise and high AGC speed.
Functions:
D Video IF amp.
D Black and white noise canceller
D Video detector
D AFT
D Peak value IF ACC
D Video amp.
D RF AGC amp.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, V11max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Flow−out Current, I12max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mA
Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −15° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics: (TA = +25°C, V11 = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
Unit
Current Dissipation
ICC
−
52
−
mA
Quiescent Video Output
V12
−
6
−
V
Sync Tip Voltage
V12TIP
−
3.4
−
V
Black Noise Inverting
Threshold Detect Level
V12BTH
−
2.1
−
V
White Noise Inverting
Threshold Detect Level
V12WTH
−
6.7
−
V
Max. RF AGC Voltage
V4H
−
9
−
V
Min. RF AGC Voltage
V4L
−
0.1
−
V
Quiescent AFT Output Voltage
V5
−
6.5
−
V
Max. AFT Voltage
V5H
−
11.5
−
V
Min. AFT Voltage
V5L
−
0.5
−
V
−
50
−
Vrms
Input Sensitivity
Vi
Reverse
f = 58.75MHz, AM 40%,
fm = 400Hz, VO = 0.5Vp−p
Electrical Characteristics (Cont’d): (TA = +25°C, V11 = 12V unless otherwise specified)
Parameter
AGC Range
Max. Allowable Input
Output S/N
Frequency Characteristic
Symbol
Test Conditions
GR
f = 58.75MHz, AM 40%, fm = 15kHz
−
75
−
dB
Vimax
f = 58.75MHz, ΔVO = ±1dB
−
300
−
mVrms
S/N
f = 58.75MHz, Vi = 10mVrms
−
53
−
dB
−3dB
−
8
−
MHz
fc
Min Typ Max
Unit
Differential Gain
DG
f = 58.75MHz, AM 85%
−
5
−
%
Differential Phase
DP
f = 58.75MHz, AF 85%
−
4
−
deg.
AFT Detect Sensitivity
Sf
f = 58.75MHz
−
90
−
mV/kHz
Pin Connection Diagram
VIF Input
1
16 VIF Input
Feedback
2
15 Feedback
GND
3
14 AGC Filter
RF AGC Output
4
13 GND
AGT Output
5
12 Multiplex Output
AGC Filter
6
11 VCC
GND
7
10 GND
LLD
8
9
16
LLD
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)