參數(shù)資料
型號(hào): AMIS-53050
英文描述: Frequency Agile Transceiver
中文描述: 捷變頻收發(fā)器
文件頁(yè)數(shù): 21/107頁(yè)
文件大?。?/td> 2576K
代理商: AMIS-53050
AMIS-53050
Frequency Agile Transceiver
Data Sheet
Figure 9: Receiver LNA Output Inductor Selection
5.2.2. IF Filter
A passive poly-phase filter and active filtering are used to achieve frequency selectivity and rejection of the image frequency. The filter
is designed to provide an optimal image rejection of 50dB at 500kHz below the RF frequency.
5.2.3. Data Filter
he OOK low-pass data filter is used for additional post-detection signal filtering in accordance with the OOK signal data rate (1.2, 1.8,
2.4, 4.8, 7.2, 9.6, 14.4, 19.2kHz).
5.3 Transmitter
The transmitter is a two-stage output amplifier. When both stages are selected, the highest output power at frequencies from 300MHz
to 960MHz is +15dBm, when matched into a 50
load. For output power levels up to 0dBm, single stage operation results in higher
power efficiency, as compared to two stage operation. The voltage output level on the RFPWR pin controls the RF output power level of
the device. A DC connection must be made between the RFOUT pin and the RFPWR pin. The non-linear output of the AMIS-53050
may require external components to match to a load and to reduce the spurious harmonics.
he output impedance of the AMIS-53050 can be matched to the impedance of an external
T
5
M
load, using the spreadsheet AMIS-
3RFMATCH.xls. This spreadsheet is provided by AMIS and is described in the Application Note “AMIS-53XXX Antenna Impedance
atching Considerations”.
T
21
AMI Semiconductor
– Jan. 07, M-20639-002
www.amis.com
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