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參數(shù)資料
| 型號(hào)： | TDA5201 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK Single Conversion Receiver |
| 中文描述： | 調(diào)幅單一轉(zhuǎn)換接收器 |
| 文件頁數(shù)： | 19/43頁 |
| 文件大?。?/td> | 689K |
| 代理商： | TDA5201 |
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Functional Description
3 - 11
TDA 5201
Wireless Components
Specification, July 2004
the signal by 2 before it is applied to the downconverting mixer. Local oscillator
high side injection has to be used for receive frequencies between approxi-
mately 310 and 330 MHz, low side injection for receive frequencies between
330 and 350MHz - see also Section 4.4..
3.4.4
Crystal Oscillator
The on-chip crystal oscillator circuitry allows for utilisation of quartzes both in
the 5 and 10MHz range as the overall division ratio of the PLL can be switched
between 64 and 128 via the
CSEL
(Pin 16 ) pin according to the following table.
The calculation of the value of the necessary quartz load capacitance is shown
in Section 4.3, the quartz frequency calculation is expained in Section 4.4.
3.4.5
Limiter
The Limiter is an AC coupled multistage amplifier with a cumulative gain of
approximately 80dB that has a bandpass-characteristic centred around
10.7MHz. It has an input impedance of 330
to allow for easy interfacing to a
10.7MHz ceramic IF filter. The limiter circuit acts as a Receive Signal Strength
Indicator (RSSI) generator which produces a DC voltage that is directly propor-
tional to the input signal level as can be seen in Figure 4-2. This signal is used
to demodulate the ASK receive signal in the subsequent baseband circuitry and
to turn down the LNA gain by approximately 18dB in case the input signal
strength is too strong as described in Section 3.4.1 and Section 4.1.
3.4.6
Data Filter
The data filter comprises an OP-Amp with a bandwidth of 100kHz used as a
voltage follower and two 100k
on-chip resistors. Along with two external
capacitors a 2nd order Sallen-Key low pass filter is formed. The selection of the
capacitor values is described in Section 4.2.
Table 3-2 CSEL Pin Operating States
CSEL
Crystal Frequency
Open
5.xx MHz
Shorted to ground
10.xx MHz
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| TDA5212 | ASK/FSK 915MHz Single Conversion Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5201_10 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK Single Conversion Receiver |
| TDA5201GEG | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TDA5201NT | 制造商:Infineon Technologies AG 功能描述:RF Receiver ASK 5V 28-Pin TSSOP |
| TDA5201T | 功能描述:RCVR SGL CONV 310-350MHZ 28TSSOP RoHS:否 類別:RF/IF 和 RFID >> RF 接收器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 09/Jan/2012 標(biāo)準(zhǔn)包裝:50 系列:* 頻率:850MHz ~ 2.175GHz 靈敏度:- 數(shù)據(jù)傳輸率 - 最大:- 調(diào)制或協(xié)議:- 應(yīng)用:* 電流 - 接收:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲(chǔ)容量:- 天線連接器:PCB，表面貼裝 特點(diǎn):- 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 85°C 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤 |
| TDA5201XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Receiver ASK 5V T/R 制造商:Infineon Technologies AG 功能描述:RF Receiver ASK 5V 28-Pin TSSOP T/R 制造商:Infineon Technologies AG 功能描述:CONTROL - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC LP SGL CONV ASK P-TSSOP-28 |
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