參數(shù)資料
型號(hào): T5744
廠商: Atmel Corp.
英文描述: UHF ASK Receiver
中文描述: 超高頻ASK接收機(jī)
文件頁(yè)數(shù): 10/20頁(yè)
文件大?。?/td> 277K
代理商: T5744
10
T5744
4521B–RKE–01/03
Figure 10.
Enable Timing (1)
Figure 11.
Enable Timing (2)
Digital Signal
Processing
The data from the ASK 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 baudrate range (BR_Range). Figure 12 illustrates how Dem_out is synchro-
nized by the extended basic clock cycle T
XClk
. Data can change its state only after T
XClk
has elapsed. The edge-to-edge time period tee_sig 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 tee_sig
TDATA_min. This implies an efficient suppression of spikes at the DATA output. At the
same time it limits the maximum frequency of edges at DATA. This eases the interrupt
handling of a connected microcontroller.
Dem_out
ENABLE
DATA
Sleep mode
I
S
= I
Soff
Start-up mode
I
S
= I
Son
Receiving mode
I
S
= I
Son
T
Start-up
t
ee_sig
Dem_out
ENABLE
DATA
Sleep mode
I
S
= I
Soff
Start-up mode
I
S
= I
Son
T
Start-up
Receiving mode
I
S
= I
Son
t
ee_sig
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T5744N-TGSY 制造商:Atmel Corporation 功能描述:
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T5744N-TKQ 功能描述:IC RCVR PLL ASK 450MHZ 20-SSOP 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