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TDA7540BTR

TDA7540BTR
型號:TDA7540BTR
品牌:ST ST
批號:13+RoHS
封裝:TQFP80
原價:0
數(shù)量:78400
PDF電子文檔:
訂購電話:86755-83294757
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備注:100%進口原裝 New in stock
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詳細描述

Features

FM-Part

■ RF AGC generation by RF and IF detection

■ I/Q mixer for 1st FM IF 10.7MHz with image 

rejection

■ Mixer for 2nd IF 450kHz 

■ Internal 450KHz bandpass filter with bandwidth 

control by ISS

■ Fully integrated FM-demodulator with spike 

cancellation

AM-Part

■ Wide and narrow AGC generation 

■ Mixer for 1st IF 10.7MHz, AM upconversion 

■ Mixer for 2nd IF 450kHz, AM downconversion

■ Integrated AM-demodulator

■ AM IF- and audio noise blanking

Stereodecoder

■ PLL with adjustment free, fully integrated VCO

■ Automatic pilot dependent MONO/STEREO 

switching

■ Programmable ROLL-OFF compensation

■ High cut and stereo blend-characteristics 

programmable

■ Dedicated RDS-mute

■ Internal noise blanker with several threshold 

controls

Additional Features

■ VCO for world tuning range

■ High performance fast PLL for RDS-System

■ IF counter for FM and AM with search stop 

signal

■ Quality detector for level, deviation, adjacent 

channel and multipath

■ ISS (Intelligent Selectivity System) for 

cancellation of adjacent channel and noise 

influences

■ Adjacent channel mute

■ Fully electronic alignment 

■ All functions I2C-Bus controlled

Description

The TDA7540 is a high performance tuner circuit 

for AM/FM car radio. It contains mixer, IF 

amplifier, demodulator for AM and FM, 

stereodecoder, quality detection, ISS filter and 

PLL synthesizer with IF counter on a single chip. 

Use of BICMOS technology allows the 

implementation of several tuning functions and a 

minimum of external components.   

 

由于客戶采購批量與樣品的價格不同,網(wǎng)上無法統(tǒng)一注明,請您把采購型號通過郵件或客服QQ401799895發(fā)給我們,也可以撥打明佳達國內(nèi)銷售部電話:0755-83957301,由客服人員為您報價;有時元件廠商價格稍許變動,本公司未能及時調(diào)整,如您覺得售價稍高,請與我們說明并適當(dāng)議價,感謝支持!

MJD is a corporation which engaged in agency electronic components. MJD Through seventeen years unrimitting efforts,  aspire to provide our customers with world-leading products and service. Now already became a one of the most famous electronic components distributor in China

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PAYMENTS:

We support the following payment methods:

 1. Paypal

 2. Western Union 

 3. Bank Wire (TT)

 4. MoneyGram

Shipping:

1. MJD needs about 3 BUSINESS DAY to handle the order after received payment. after receiving your payment. Otherwise, we will state it in the invoice in advance.

2. MJD can Ship via your shipping account (DHL / FEDEX / UPS / TNT or others) as your instruction. Or Ship via our shipping account (We have a very good relationship with DHL and FEDEX with very special freight).

3. Regarding the declared value on the package for customs clearance, we are pleased to follow

your wishes, just feel free to inform us when ordering.

4. Any import fees or charges are the buyer's responsibility.

REFUNDS & RETURN:

We offer a warranty on all items that we sold. Item will be tested before ship,it will be in good condition,if there are some problems with the item,feel free to contact us.

Please Email us to notify a defective item. Unless otherwise specified, this item comes with 30 days warranty from the shipment date.

You must contact us before returning any product. All returns must be made within 30 days from this shipment date.Return must be in new condition(the SAME CONDITION as it was sent to you)

Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email Sales@hkmjd.com or hotmail: mingjiada8@hotmail.com to us.  As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support !

 

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