NTE860
Integrated Circuit
LowPower, NarrowBand FM IF
Description:
The NTE860 is an integrated circuit in an 18Lead 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, 50
source,
T
A
= +25
C unless otherwise noted)
Parameter
Test Conditions
Min
Typ
Max
Unit
Drain Current (Pin4 & Pin8)
Squelch OFF
3.6
6.0
mA
Squelch ON
5.4
7.0
mA
Input for 20dB Quieting
8.0
A
rms
Input for 3dB Limiting
2.0
A
rms
Mixer Voltage Gain
Pin18 to Pin3, Open
46
Mixer Third Order Intercept
50
Input
1.0
dBm
Mixer Input Capacitance
2.2
pF
Recovered Audio, Pin10
Input Signal 1.0mV
rms
450
700
mV
rms
Detector Center Frequency Slope, Pin10
0.3
V/kHz
AFC Center Slope, Pin11
Unloaded
12
V/kHz
Filter Gain
40
51
dB
Squelch Threshold
Through 10K to Pin14
0.01
1.0
A
Scan Control Current, Pin15
Pin14 High
0.01
1.0
A
Pin14 Low
2.0
2.4
mA
Mute Switch Impedance
Pin14 High
5.0
M
Pin14 Low
1.5
M
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