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LA1145M Datasheet PDF

Sanyo
Part Number LA1145M
Manufacturer Sanyo
Title FM IF System
Description Ordering number: ENN 2725B Monolithic Linear IC LA1145, 1145M FM IF System (Quadrature Detector) for Car Radio Features 1. On-chip IF count buff...
Features 1. On-chip IF count buffer circuit and microprocessorcontrolled switch circuit for ETR. 2. Compared to the LA1140, the LA1145, 1145M offer: 1 Improved signal meter output linearity; 2 Improved band mute temperature stability; 3 Improved S/N ratio; 4 Improved sound quality at weak signal input when n...

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LA1140 : Ordering number: EN 729E Monalithic Linear IC LA1140 FM IF System for Car Radio Overview The LA1140 is an IF system IC designed for FM car stereo receivers. 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. Package Dimensions unit : mm 3020A-SIP16 [LA1140] Functions . IF amplification/limiter . Quadrature detector . AF preamplifier . AFC output . Signal meter output . AGC output . Muting bandwidth . Muting under weak signal strength SANYO : SIP16 Features . .

LA1143 : Ordering number : EN1140D Monolithic Linear IC LA1143 FM IF System for Car Radios Overview The LA1143 is an IF system IC designed for FM car stereo receivers. 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. Package Dimensions unit: mm 3006B-DIP16 [LA1143] Functions • IF amplification/limiter • AF preamplifier • Signal meter output • Muting at detuning • Quadrature detector • AFC output • AGC output • Muting at small input SANYO: DIP16 Features 1. Versatil.

LA1145 : Ordering number: ENN 2725B Monolithic Linear IC LA1145, 1145M FM IF System (Quadrature Detector) for Car Radio Features 1. On-chip IF count buffer circuit and microprocessorcontrolled switch circuit for ETR. 2. Compared to the LA1140, the LA1145, 1145M offer: 1 Improved signal meter output linearity; 2 Improved band mute temperature stability; 3 Improved S/N ratio; 4 Improved sound quality at weak signal input when noise is present, and; 5 Improved AMR characteristics during weak signal input. 3. Reduced parts’ count simplifies design: 1 On-chip IF count buffer circuit; 2 On-chip SD circuit — sensitivity can be set independently of soft mute characteristics, and; 3 Variable S-meter gradien.




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