NTE1604
Integrated Circuit
FM IF System for Car Radio
Description:
The NTE1604 is an integrated circuit in a 16–Lead SIP type package designed for use in FM car stereo
receivers. This device features versatile muting characteristics and allows receiver designers to realize
the muting performance according to their design concept.
Functions:
D IF Amplification/Limiter
D Signal Meter Output
D Muting Under Weak Signal Strength
D AF Preamplifier
D AFC Output
D Muting Bandwidth
D Quadrature Detector
D AGC Output
Features:
D Versatile Mutings
a. When Muting Operation is Performed under a Weak Signal Strength, an Attenuation Slope
of the Audio Output Against the Input Signal Strength Varaitions can be Set at any Given
value
b. Maximum Muting Attenuation can be Selected Between about 6dB to 40dB
c. Input Signal Strength level which Actuates the Muting Circuit can be Set Freely
D High Limiting Sensitivity (25dbµ Typ. with Muting OFF) Provides a Fine Quieting Characteristic
D High Signal–to–Noise Ratio: 78dB Typ
D Low Distortion (0.05% Typ) Available, if used with Double–Tuned Circuits
D Good AM Rejection Ratio (63dB with 6 Stages of Differential IF Amplifiers)
D Signal Merter Drive Output Proportional to the Input Signal Strength in dB
D Clamped (±VBE) AFC Output, Bandwidth Adjustable
D Delayed AGC Output for Front End Circuit
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage (Pin12), VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Maximum Supply Current (Pin12), ICCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Allowable Power Dissipation, PDmax
TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640mW
TA = +70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460mW
Input Voltage (Pin1 to Pin2), vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1VP–P
Flow–In Current (Pin2, Pin3), I2, I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.2mA
Flow–In Current (Pin6), I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Flow–Out Current (Pin5, Pin15, Pin16), I5, I15, I16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Flow–Out Current (Pin13, Pin14), I13, I14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mA
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
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微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
技术参数
数据手册
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