NTE860
Integrated Circuit
Low–Power, Narrow–Band FM IF
Description:
The NTE860 is an integrated circuit in an 18–Lead DIP type package which includes an oscillator,
mixer, limiting amp, AFC, quadrature discriminator, op/amp, squelch, scan control and mute switch.
Absolute Maximum Ratings:
(T
A
= +25°C, unless otherwise specified)
Power Supply Voltage, V
CC
(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Operating Supply Voltage Range, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V to 9V
Input Voltage (V
CC
≥
6.0 Volts), V
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0V
rms
Mute Function, V
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.7 to 12V
pk
Operating Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics:
(V
CC
= 6V, f
o
= 10.7MHz,
∆f
=
±3.0kHz,
f
mod
= 1.0kHz, 50Ω source,
T
A
= +25°C unless otherwise noted)
Parameter
Drain Current (Pin4 & Pin8)
Input for 20dB Quieting
Input for –3dB Limiting
Mixer Voltage Gain
Mixer Third Order Intercept
Mixer Input Capacitance
Recovered Audio, Pin10
Detector Center Frequency Slope, Pin10
AFC Center Slope, Pin11
Filter Gain
Squelch Threshold
Scan Control Current, Pin15
Mute Switch Impedance
Through 10K to Pin14
Pin14 High
Pin14 Low
Pin14 High
Pin14 Low
Unloaded
Input Signal 1.0mV
rms
Pin18 to Pin3, Open
50Ω Input
Test Conditions
Squelch OFF
Squelch ON
Min
–
–
–
–
–
–
–
450
–
–
40
–
–
2.0
–
–
Typ
3.6
5.4
8.0
2.0
46
–1.0
2.2
700
0.3
12
51
0.01
0.01
2.4
5.0
1.5
Max
6.0
7.0
–
–
–
–
–
–
–
–
–
1.0
1.0
–
–
–
dBm
pF
mV
rms
V/kHz
V/kHz
dB
µA
µA
mA
MΩ
MΩ
Unit
mA
mA
µA
rms
µA
rms
NTE [ NTE ELECTRONICS ]
