NTE1559
Integrated Circuit
FM IF Amp, Demod
Functions:
D
FM IF Amplifier
D
Quadrature Detector
D
Audio Amplifier
D
Muting Circuit
D
Signal鈥揗eter Driver
Features:
D
High Signal鈥搕o鈥揘oise Ratio
D
High Sensitivity
D
Large Muting Attenuation
D
Stable Operation using Full鈥揃alanced
Differential
D
D
D
D
D
AFC
Center鈥揗eter Driver
Muting Controller (Bandwidth & Level)
Center鈥揗eter Short Circuit for AM Band (Pin15)
IF Amp Killer for AM Band (Pin15)
D
Triplex Amplifier
D
High Linearity of Signal Meter
D
Operational Input Level of Muting is Adjustable
by Controlling External Resistance
Absolute Maximum Ratings:
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, P
T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +125擄C
Electrical Characteristics:
(T
A
= +25擄C, V
CC
= 13V, f
c
= 10.7MHz, f
m
= 400Hz, f = 75kHz dev.
unless otherwise specified)
Parameter
Operating Current
Limiting Sensitivity
Recovered AF Voltage
Total Harmonic Distortion
Signal鈥搕o鈥揘oise Ratio
AM Rejection
Muting Attenuation
Symbol
I
CC
max
V
in(lim)
V
o(AF)
THD
S/N
AMR
Test Conditions
V
in
= 100dB碌, 2V supplied to Pin5,
+150kHz detuned
Input level lower by 3dB than (V
o(AF)
under
100dB碌 of input voltage)
V
in
= 100dB碌
V
in
= 100dB碌
V
in
= 100dB碌
V
in
= 100dB碌, f
m
= 1kHz, MOD = 30%
Min
鈥?/div>
鈥?/div>
280
鈥?/div>
83
45
83
Typ
Max Unit
mA
dB碌
mV
%
dB
dB
dB
30.5 39.3
33
380
37
510
0.01 0.08
88
60
100
鈥?/div>
鈥?/div>
鈥?/div>
Mute
(ATT
) (Output Voltage under 100dB碌 if V
in
and with
Pin5 Open) = 0dB, 2V fed to Pin5 via 12k鈩?/div>
next
NTE1559 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
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