NTE853
Integrated Circuit
Low Power, Narrow Band, FM IF System
Description:
The NTE853 is a low power narrow band FM IF system which includes: Oscillator, Mixer, Limiting
Amplifier, Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute Switch. The
NTE853 is designed for use in FM dual conversion communications equipment.
Features:
D
Low Drain Current (3mA Typ @ V
CC
= 6V)
D
Excellent Sensitivity: Input Limiting Voltage (鈥?.0dB) = 5.0碌V (Typ)
D
Low Number of External Parts Required
Absolute Maximum Ratings:
(T
A
= +25掳C, unless otherwise specified)
Power Supply Voltage (Pin4), V
CC
(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Operating Supply Voltage Range (Pin4), V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V to 8V
Detector Input Voltage (Pin8), . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1V
p鈥損
Input Voltage (V
CC
鈮?/div>
6V, Pin16), V
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1V
RMS
Mute Function (Pin14), V
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.5V to 5V
pk
Operating Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150掳C
Operating Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0掳 to +70掳C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5掳 to +150掳C
Electrical Characteristics:
(V
CC
= 6V, f
O
= 10.7MHz,
鈭唂
=
卤
3kHz, f
mod
= 1kHz, T
A
= +25掳C
unless otherwise specified)
Parameter
Drain Current, Squelch OFF
Drain Current, Squelch ON
Input Limiting Voltage
Detector Output Voltage
Detector Output Impedance
Recovered Audio Output Voltage
Pin
4
4
16
9
鈥?/div>
9
V
in
= 10mV
鈥?dB Limiting
Test Conditions
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
200
Typ
2
3
5
3
400
350
Max
NTE853 产品属性
NTE
置换半导体
否
1
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