All rights reserved. High-cut control HCC under which the high frequency is smoothly attenuated. In additioin, the LA can be, due to its low distortion factor, an IC for multiplex stereo demodulator which is appropriate for the car component stereo unit. Such attenuation can be changed smoothly from "Normal" to "High Cut" by controlling the voltage applied to the control pin. The volume of "High Cut" can be selected by using an external capacitor. Pilot input prioritized.

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Ordering number: EN E. Monalithic Linear IC. It features versatile muting characteristics and allows. Since the muting characteristics can be. Package Dimensions. Quadrature detector. AF preamplifier. AFC output. Signal meter output. AGC output. Muting bandwidth. Muting under weak signal strength. Versatile muting. Low distortion 0. Good AMR 63 dB typ. Signal meter drive output proportional to the input signal.

Delayed AGC output for front end circuit. Small space factor due to single-ended package employed. Semiconductor Bussiness Headquarters. Maximum supply voltage. Maximum supply current. Allowable power. Input voltage. Flow-in current. Flow-out current. Operating temperature. Storage temperature. V CC max. I CC max. Pd max. Pin Pin 1 to 2. Pin 2. Pin 3. Pin 6. Pin 5. Recommended supply. Operating voltage range. V CC op. Quiescent current. Current drain. Demodulation output. Total harmonic distortion.

Signal-to-noise ratio. Input limiting voltage. Muting sensitivity. Muting attenuation 1. Muting attenuation 2. AM rejection ratio. Muting drive output.

Signal meter output 1. Signal meter output 2. Signal meter output 3. Signal meter output 4. AGC output 1. AGC output 2. Offset voltage 1. Offset voltage 2. I CCO. V IN lim. V IN Mute. Mute A CC. BW Mute. Quiescent, pin 7 to Quiescent, pin 8 to Download LA Datasheet.

It features versatile muting characteristics and allows receiver designers to realize the muting performance according to their design concept. Since the muting characteristics can be varied with a switch or a semi-fixed resistor, DX-Local switching will be accomplished with ease.

Versatile muting a When muting operation is performed under a weak signal strength, an attenuation slope of the audio output against the input signal strength variations can be set at any given value.

Signal meter drive output proportional to the input signal strength in dB suitable to control multiplex IC LA


LA1140 System. Datasheet pdf. Equivalent


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