參數(shù)資料
型號: TDK5100
廠商: INFINEON TECHNOLOGIES AG
英文描述: ASK/FSK Transmitter 868/433 MHz
中文描述: 詢價/ FSK發(fā)射器433分之868兆赫
文件頁數(shù): 17/40頁
文件大?。?/td> 629K
代理商: TDK5100
Functional Description
2 - 11
TDK 5100
Wireless Components
Specification, October 2002
The principle schematic of the power mode control circuitry is shown in
Figure 3-5.
Power_Mode.wmf
Figure 2-5
Power mode control circuitry
Table 3-8 provides a listing of how to get into the different power modes
Other combinations of the control pins PDWN, FSKDTA and ASKDTA are not
recommended.
Table 2-8
PDWN
FSKDTA
ASKDTA
MODE
Low
1)
1) Low:
Voltage at pin < 0.7 V (PDWN)
Voltage at pin < 0.5 V (FSKDTA, ASKDTA)
Pin open
Voltage at pin > 1.5 V
Low, Open
Low, Open
POWER DOWN
Open
2)
2) Open:
3) High:
Low
Low
High
3)
Low, Open, High
Low
PLL ENABLE
Open
High
Low
High
Low, Open, High
Open, High
TRANSMIT
Open
High
Open, High
Open
Low, Open, High
High
OR
Bias
Source
FSKDTA
ASKDTA
PDWN
FSKOUT
PAOUT
IC
On
B
PA
On
120 k
PLL
FSK
120 k
868
MHz
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