NTE NTE1810 Datasheet
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
Supply Voltage, V
CC
: (TA = +25°C unless otherwise specified)
Circuit Voltage
V
5–1,14,21
V
6–1,14,21
V
7–1, 14,21
V
10–1,14,21
V
18–1,14,21
V
25–1,14,21
Circuit Current
I
17
I
19
I
26
Power Dissipation (T
= +70°C), P
A
D
Operating Ambient Temperature Range, T
Storage Temperature Range, T
stg
opr
V
4,12–1,14,21
V
4,12–1,14,21
V
4,12–1,14,21
V
4,12–1,14,21
V
4,12–1,14,21
8.0V to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–7mA to +0.5mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–7mA to +0.5mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–5mA to +0.5mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
to 0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1300mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
IF Amplifier w Detection w AGC w AFC Circuit
Video Detector Output V
Input Sensitivity S
Max. Allowable Input V
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
Frequency Characteristics f
RF AGC Gain G
AFC Phase Det. Sensitivity m RL = 68Ω/82kΩ 30 40 60 mV/kHz
AFC Center Voltage V
VCO APC Circuit
VCO Max. Variable Range ∆f
VCO Control Sensitivity b 3 4.5 6 kHz/mV
APC Pull–In Range f
SIF Circuit
Total Detector Output V
Input Limiting Voltage V
DC Characteristics
I(max)
RFAGC
∆f
APC(1)
f
APC(2)
i(lim)fo
f = 58.75MHz, Vi = 80dBµ, m = 87.5% 1.9 2.2 2.5 V
O
VO = –3dB 49 53 57 dBµ
(IN)
103 108 – dBµ
Vo = –3dB 4.5 5 6 MHz
c
f = 10kHz, Vi = 10mV 40 44 48 dB
RL = 68kΩ/82kΩ 4.2 6.5 8.2 V
10
V13 = 2V +0.85 +1.5 +2.5 MHz
V(1)
V13 = 3V –4.0 –2.4 –1.4 MHz
V(2)
+0.85 +1.5 +2.5 MHz
–3.5 –2.5 –1.6 MHz
f
O
= 4.5MHz, f
o
= 100V
V
i
= 4.5MHz, fm = 400Hz – 36 40 dBµ
= 400Hz, ∆f = ±25kHz,
m
ms
400 500 650 mV
p–p
rms
Circuit Current I4+I
IF AGC Filter
Lock Detect Filter
AFC Output
APC Filter Switch
VCC (VCO)
APC Filter
GND (VCO)
12
Pin Connection Diagram
GND
IF Input
IF Input
V
CC
AFC Coil
1
2
3
4
5
6RF AGC Delay Adjust
7RF AGC Output
8
9
10
11
28
27
26
25
24
23
22
21
20
19
18
12 17
13
14
16
15
50 70 90 mA
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
Loading...