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參數(shù)資料
| 型號： | ATA5728P6-TKQY |
| 廠商： | ATMEL CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁數(shù)： | 8/46頁 |
| 文件大?。?/td> | 776K |
| 代理商： | ATA5728P6-TKQY |
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16
9106E–RKE–07/08
ATA5723/ATA5724/ATA5728
8.6
Digital Signal Processing
The data from the ASK/FSK demodulator (Dem_out) is digitally processed in different ways and
as a result converted into the output signal data. This processing depends on the selected
baud-rate range (BR_Range). Figure 8-7 illustrates how Dem_out is synchronized by the
extended clock cycle T
XClk. This clock is also used for the bit-check counter. Data can change its
state only after T
XClk has elapsed. The edge-to-edge time period tee of the Data signal as a result
is always an integral multiple of T
XClk.
The minimum time period between two edges of the data signal is limited to t
ee ≥ TDATA_min. This
implies an efficient suppression of spikes at the DATA output. At the same time it limits the max-
imum frequency of edges at DATA. This eases the interrupt handling of a connected
microcontroller.
The maximum time period for DATA to stay low is limited to T
DATA_L_max. This function is
employed to ensure a finite response time in programming or switching off the receiver via pin
DATA. T
DATA_L_max is therefore longer than the maximum time period indicated by the transmitter
data stream. Figure 8-9 on page 17 gives an example where Dem_out remains Low after the
receiver has switched to receiving mode.
Figure 8-7.
Synchronization of the Demodulator Output
Figure 8-8.
Debouncing of the Demodulator Output
Data_out (DATA)
Clock bit-check
counter
Dem_out
T
XClk
t
ee
Data_out (DATA)
Dem_out
t
ee
t
ee
t
ee
t
DATA_min
t
DATA_min
t
DATA_min
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ATC-1 | Automotive Fuse; Current Rating:1A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Fuse Terminals:Blade; Length:12.54mm; Series:ATC; Voltage Rating:32V; Fuse Size/Group:12.54 x 19.14 x 5.12mm RoHS Compliant: Yes |
| ATC-4 | Automotive Fuse; Current Rating:4A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Color:Pink; Fuse Terminals:Blade; Length:12.54mm; Series:ATC; Voltage Rating:32V; Fuse Size/Group:12.54 x 19.14 x 5.12mm RoHS Compliant: Yes |
| ATC-40 | Automotive Fuse; Current Rating:40A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Color:Orange; Fuse Terminals:Blade; Length:12.54mm; Series:ATC; Voltage Rating:32V; Fuse Size/Group:12.54 x 19.14 x 5.12mm RoHS Compliant: Yes |
| ATEP-04-0150-SMA-P-01 | INTERCONNECTION DEVICE |
| ATEP-16-0200-SMA-P-01 | INTERCONNECTION DEVICE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATA5743 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK/FSK Receiver |
| ATA5743P3-TGQY | 功能描述:射頻接收器 ASK/FSK Rec.(imp.FSK sensitiv IF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| ATA5743P3-TGQY 19 | 制造商:Atmel Corporation 功能描述:ASK/FSK Rec.(impr.FSK sensitiv,IF=300kH) |
| ATA5743P3-TGQY 19 | 功能描述:射頻接收器 ASK/FSK Rec(impr.FSK SensitivIF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| ATA5743P3-TGSY | 功能描述:射頻接收器 ASK/FSK Rec.(imp.FSK sensitiv IF=300kH) RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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