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參數(shù)資料
| 型號(hào)： | ATA5756-6DPJ |
| 廠商： | ATMEL CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PDSO10 |
| 封裝： | LEAD FREE, MO-187, TSSOP-10 |
| 文件頁(yè)數(shù)： | 3/20頁(yè) |
| 文件大小： | 287K |
| 代理商： | ATA5756-6DPJ |
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11
4702I–RKE–11/05
ATA5756/ATA5757
4.6
Application Circuits
For the supply voltage blocking capacitor C
3, a value of 68 nF/X7R is recommended (see Figure
1 and C2 are used to match the loop antenna to
the power amplifier. For C
2, two capacitors in series should be used to achieve a better toler-
ance value and to enable it to realize Z
Load,opt by using capacitors with standard values.
Together with the pins of ATA5756 and the PCB board wires, C
1 forms a series resonance loop
that suppresses the 1st harmonic, hence the position of C
1 on the PCB is important. Normally,
the best suppression is achieved when C
1 is placed as close as possible to the pins ANT1 and
ANT2.
The loop antenna should not exceed a width of 1.5 mm, otherwise the Q-factor of the loop
antenna is too high.
L
1 (50 nH to 100 nH) can be printed on the PCB. C4 should be selected so that the XTO runs on
the load resonance frequency of the crystal. Normally, a value of 10 pF results in a 12 pF
load-capacitance crystal due to the board parasitic capacitances and the inductive impedance of
the XTO1 pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATA5756-6DPY | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK/FSK Transmitter |
| ATA5756-6DPY 71 | 制造商:Atmel Corporation 功能描述:RF Transmitter ASK/FSK 2.5V/3.3V 10-Pin TSSOP |
| ATA5756-6DPY 71 | 功能描述:IC XMITTER UHF 315MHZ 10TSSOP RoHS:是 類別:RF/IF 和 RFID >> RF 發(fā)射器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- 頻率:310MHz ~ 440MHz 應(yīng)用:- 調(diào)制或協(xié)議:UHF，ASK 數(shù)據(jù)傳輸率 - 最大:20 kBaud 功率 - 輸出:1dBm ~ 5dBm 電流 - 傳輸:10mA 數(shù)據(jù)接口:PCB，表面貼裝 天線連接器:PCB，表面貼裝 存儲(chǔ)容量:- 特點(diǎn):- 電源電壓:2.2 V ~ 4 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-LSSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ATA5756-6DPY-66 | 功能描述:射頻發(fā)射器 ASK/FSK Transmitter 315MHz TPMS RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| ATA5756-6DPY71 | 功能描述:射頻發(fā)射器 ASK/FSK Transmitter 315MHz TPMS RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
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