NTE NTE1810

NTE1810
Integrated Circuit
Color TV Video System
Description:
The NTE1810 is an integrated circuit in a 28–Lead DIP ype package designed for color TV and VCR
IF and audio IF processing circuits.
Features:
D PLL True Synchronous Detector Incorporates VCO
D Quadrature Sound FM Detector
D Frequency Characteristics Compensation Terminal (Pin20), VCR Switch Terminal (Pin5)
D Sound Output Level Adjustment Terminal (Pin25)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.8V
Circuit Voltage
V5–1,14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4,12–1,14,21 to 0V
V6–1,14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4,12–1,14,21 to 0V
V7–1, 14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4,12–1,14,21 to 0V
V10–1,14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4,12–1,14,21 to 0V
V18–1,14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4,12–1,14,21 to 0V
V25–1,14,21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 0V
Circuit Current
I17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –7mA to +0.5mA
I19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –7mA to +0.5mA
I26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5mA to +0.5mA
Power Dissipation (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300mW
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
Unit
f = 58.75MHz, Vi = 80dBµ, m = 87.5%
1.9
2.2
2.5
Vp–p
VO = –3dB
49
53
57
dBµ
103
108
–
dBµ
IF Amplifier w Detection w AGC w AFC Circuit
Video Detector Output
Input Sensitivity
VO
S(IN)
Max. Allowable Input
VI(max)
Differential Gain
DG
f = 58.75MHz, Vi = 80dBµ, m 87.5%
–
2
6
%
Differential Phase
DP
f = 58.75MHz, Vi = 80dBµ, m = 87.5%
–
2
5
deg
4.5
5
6
MHz
40
44
48
dB
Frequency Characteristics
RF AGC Gain
fc
Vo = –3dB
GRFAGC f = 10kHz, Vi = 10mV
AFC Phase Det. Sensitivity
AFC Center Voltage
m
RL = 68Ω/82kΩ
30
40
60
mV/kHz
V10
RL = 68kΩ/82kΩ
4.2
6.5
8.2
V
VCO APC Circuit
VCO Max. Variable Range
VCO Control Sensitivity
APC Pull–In Range
∆fV(1)
V13 = 2V
+0.85 +1.5
+2.5
MHz
∆fV(2)
V13 = 3V
–4.0
–2.4
–1.4
MHz
3
4.5
6
kHz/mV
b
fAPC(1)
+0.85 +1.5
+2.5
MHz
fAPC(2)
–3.5
–2.5
–1.6
MHz
400
500
650
mVrms
–
36
40
dBµ
50
70
90
mA
SIF Circuit
Total Detector Output
VO
Input Limiting Voltage
Vi(lim)
fo = 4.5MHz, fm = 400Hz, ∆f = ±25kHz,
Vi = 100Vms
fo = 4.5MHz, fm = 400Hz
DC Characteristics
Circuit Current
I4+I12
Pin Connection Diagram
GND
IF Input
IF Input
VCC
IF AGC Filter
RF AGC Delay Adjust
RF AGC Output
Lock Detect Filter
AFC Coil
AFC Output
APC Filter Switch
VCC (VCO)
APC Filter
GND (VCO)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SIF Coil
SIF Coil
Sound Output
Sound Output Level Adjust
SIF Input Bias
SIF Input
SIF Input Bias
GND
Video f Character Compensation
Video Output
Video Input
Detector Output
VCO Coil
VCO Coil
28
15
1
14
1.120 (28.4)
.338
(8.6)
.200
(5.08)
.070 (1.78)
.130 (3.3)
.400
(10.16)