參數(shù)資料
型號: AMIS-53050
英文描述: Frequency Agile Transceiver
中文描述: 捷變頻收發(fā)器
文件頁數(shù): 20/107頁
文件大?。?/td> 2576K
代理商: AMIS-53050
AMIS-53050
Frequency Agile Transceiver
Data Sheet
5.2.1. Receiver Low Noise Amplifier (LNA)
The receiver input of the AMIS-53050 is a sin
ernal matching network, which provides a DC path to ground for biasing the receiver’s LNA. The output of the LNA is tuned to the
esired operating frequency using an external inductor along with an on-chip capacitor. The output inductor also provides the LNA with
DC connection to the supply voltage. On-chip tuning capacitors are binary weighted and digitally controlled.
a
The value of th
- 0.9pF. The impedance of the receiver for three values of input coil inductance, with the input capacitance set to the middle of the
range (register set to 0X80), is shown in Figure 8. Here, the value of the output coil inductance is a function of the operating frequency,
nd is shown in Figure 9.
a
e. The input is matched to 50
using an
e internal input capacitance has a range of 1.2 - 4pF. The corresponding range for the internal output capacitance is 0.3
gle-ended input and single-ended output devic
ext
d
Figure 8: RX Input Impedance
20
AMI Semiconductor
– Jan. 07, M-20639-002
www.amis.com
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