NTE1441
Integrated Circuit
FM IF Amplifier, Detector
Function:
D
IF Amplification, Limiter
D
Quadrature Detector
D
AF Preamplifier
D
Muting at Weak Input
D
Muting at the Detuning
D
D
D
D
D
Signal Meter Drive Output
AFC Tuning Meter Drive Output
Delay AGC Output
Inverting Circuit for Muting Drive Voltage
IF Amplifier Stop Circuit
Features:
D
High Limiting Sensitivity: 18碌V Typ.
D
Low Distortion: 0.05% Typ Determined by the Linearity of Phase Characteristics in Phase
Shifting Circuit
D
High Demodulation Output: 330mV
rms
Typ
D
High S/N Ratio: 78.5dB Typ
D
Muting at Detuning with Little Shock Noise
D
Single Meter Drive Output Proportional with the Input Signal Level dB
D
Detuning Muting Band having Good Symmetrics
D
Tuning Meter Driving Output having Wide Swing Width
D
Delay AGC Drive Output for Front End
D
Constant Voltage Circuit is Built鈥揑n: Operating Voltage Range = 9V to 14V
D
Muting Characteristics Between Adjacent Stations are Distinguished
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage (Pin11), V
CC
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Maximum Input Voltage (Pin1鈥?), V
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵1V
P鈥揚
Maximum Supply Current (Pin11), I
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Maximum Flow鈥揑n Current
Pin15, I
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Pin16, I
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Maximum Flow鈥揙ut Current
Pin10, I
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Pin12, I
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Pin13, I
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Pin15, I
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Allowable Power Dissipation, P
D
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Recommended Operating Condition:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
1
2
3
