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参数资料
| 型号： | NTE1491 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit AM RF/IF Amp |
| 中文描述： | 上午集成电路射频/中频放大器 |
| 文件页数： | 2/2页 |
| 文件大小： | 22K |
| 代理商： | NTE1491 |
Tuner Performance:
(T
A
= +25
°
C, V
CC
= 13V, f = 1MHz, f
mod
. = 400Hz, MOD = 30%, R
L
= 10k
unless otherwise specified)
Characteristics
Test Conditions
Maximum Sensitivity
υ
o
= 20mV
rms
Usable Sensitivity (
υ
i
)
S/N = 20dB
Distortion Output Voltage
υ
i
= 74 dB
μ
V
Harmonic Distortion
υ
i
= 74dB
μ
V
S/N Ratio
υ
i
= 74dB
μ
V
Total Harmonic Distortion
υ
i
= 126dB
IF Rejection Ratio
f = 1MHz,
υ
o
= 20mV, IF = 450kHz
Image Rejection Ratio
f = 1MHz,
υ
o
= 20mV, f + 2 IF
Selectivity
f = 1MHz,
f =
±
10kHz
AM Whistle Rejection
υ
i
= 74dB
μ
V
Typ
10
24
60
0.4
55
0.4
67
80
31
45
50
Unit
dB
μ
V
dB
μ
V
mV
rms
%
dB
%
dB
dB
dB
dB
dB
2
nd
IF = 900kHz
3
rd
IF = 1350kHz
V
CC
OSC Output
OSC Input
Mixer Input
10
RF Output
Pin Connection Diagram
1
2
3
4
5
Mixer Output
IF Input
Bypass
IF Output
AGC Input
6
7
Bypass
GND
14
13
12
11
9
Bypass
8
RF Input
.600 (15.24)
1
7
14
8
.300
(7.62)
.200 (5.08)
Max
.100 (2.45)
.099 (2.5) Min
.785 (19.95)
Max
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