Datasheet > 1145M

1145M

更新时间： 2022-09-10 23:48:26

品牌	Logo	应用领域
三洋 - SANYO		/
页数	文件大小	规格书
17页	472K
描述
FM IF System (Quadrature Detector) for Car Radio

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数据手册

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1145M 数据手册

LA1145, 1145M

Sample Application Circuit

50 μs

emphasis

capacitor

Mute driver

output

S-meter

output

L1: 81N-014A (Sumida)

L2: 81N-014B (Sumida)

Unit (resistance: Ω, capacitance: F)

LS1140 and LS1145 Compared

Parameter

Package

LA1140

SIP-16

LA1145

Remarks

SIP-18Z

MFP-20

IF amp, limiter

Quadrature detector

AF preamp

Direct-coupled

C-coupled

AFC output

Signal meter output

Improved linearity, variable S-meter gradient

Improved temperature stability,

Band muting

dependent

IF count buffer output

SD circuit

–

Common with STRQ

For the LA1140, Coupled with the soft muting

function.

–

78 dBμ

25 dBμ (fixed)

S/N

86 dB

–3 dBμ limiting sensitivity variable,

independent of soft muting function

3 dBμ limiting sensitivity

Weak signal noise output

25 to 40 dBμ

No. 2725-5/17

1 2 3 456 7 8...17

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