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| 型號： | NTE1843 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit FM Front End |
| 中文描述： | 集成電路調(diào)頻前端 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 21K |
| 代理商： | NTE1843 |
NTE1843
Integrated Circuit
FM Front End
Description:
The NTE1843 is an integrated circuit in a 9–Lead SIP type package designed for use in FM front–end
applications. Typical applications include portable radio and radio cassettes.
Compared with conventional types, supply voltage dependence, overload characteristics and spuri-
ous radiation characteristics are improved.
Features:
Wide Supply Voltage Range: V
CC
= 1.6V to 6.0V
Excellent Supply Voltage Dependence of Loacl Oscillator: Oscillator Stop V
CC
= 0.9V Typ
Improved Inter–Modulation Charactristics by Double Balanced Type Mixer Circuit
Low Spurious Radiation
Built–In Clamping Diode for the Local Oscillator Output
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8V
500mW
4mW/
°
C
–25
°
to +75
°
C
–55
°
to +150
°
C
Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= 5V, f = 83MHz, f
m
= 1kHz,
f = 22.5kHz dev. unless
otherwise specified)
Parameter
Symbol
Supply Current
I
CC
–3dB Limiting Sensitivity
V
in(lim)
Quiescent Sensitivity
Q
S
Conversion Gain
G
C
Local OSC Voltage
V
OSC
Parallel Input Resistance (Pin1 Impedance)
r
ip1
Parallel Output Resistance (Pin3 Impedance)
r
op3
Parallel Output Capacitance (Pin3 Impedance)
c
op3
Parallel Input Resistance (Pin4 Impedance)
r
ip4
Parallel Input Capacitance (Pin4 Impedance)
c
ip4
Parallel Output Resistance (Pin6 Impedance)
r
op6
Parallel Output Capacitance (Pin6 Impedance)
c
op6
Local OSC Stop Voltage
V
stop
Test Conditions
V
IN
= 0
Min
–
–
–
–
150
–
–
–
–
–
–
–
–
Typ
5.2
3.0
11
31
230
57
25
2.0
2.7
3.3
100
4.8
0.9
Max
8.0
7.0
–
–
350
–
–
–
–
–
0
–
1.3
Unit
mA
dB
μ
dB
μ
dB
mV
rms
k
pF
k
pF
k
pF
V
f
OSC
= 60MHz
f = 83MHz
f = 10.7MHz
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