參數(shù)資料
型號: AMIS-52100-M
英文描述: Transceiver with Clock and Data Recovery
中文描述: 收發(fā)器時鐘和數(shù)據(jù)恢復
文件頁數(shù): 11/26頁
文件大?。?/td> 1040K
代理商: AMIS-52100-M
AMIS-52100
Low-Power Transceiver with Clock and Data Recovery
Data Sheet
8.11 VDD, Supply Voltage
The VDD pin is the power supply pin for the AMIS-52100. The voltage on this pin is typically 3.0V. Please refer to the section
“Operating and Maximum Specifications” of this document for the VDD operating conditions.
8.12 RFPWR, DC Voltage Output
The AMIS-52100 generates a regulated DC voltage that is output on the RFPWR pin. This voltage should be fed through a DC
connection to the RFOUT pin to power the output stage of the RF PA. The AMIS-52100 adjusts the voltage level through the value of
the register shown in
Table 19.
Table 19: TX Voltage control Register
RFPWR Voltage Control Register
Register (HEX)
Name
Bits
States
Comments
0x02
RFPWR trim
All
0xff is highest power
8.13 RFOUT, RF Output Signal
The AMIS-52100 uses a high efficiency non-linear output driver to produce the high power RF signal. This final driver must be
connected through a DC connection to the RFPWR pin of the AMIS-52100. External components are required to match the output to a
50
load or to an external antenna. Figure 6 shows a typical matching circuit for the RFOUT pin.
8.14 RFGND, RF Ground
The RFGND pin is the ground connection for the RF circuits in the AMIS-52100.
Figure 6: Typical RFOUT Output Impedance Match to 50
(402MHz)
11
AMI Semiconductor
– Rev 4.0, Mar. 06 – M-20535-004
www.amis.com
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