參數(shù)資料
型號: AMIS-52000
英文描述: Single-Chip Radio Transceiver
中文描述: 單芯片無線電收發(fā)器
文件頁數(shù): 10/15頁
文件大小: 492K
代理商: AMIS-52000
AMIS-52000 Single-Chip Radio Transceiver
Data Sheet
AMI Semiconductor - Confidential
www.amis.com
10
Specification
Input Resistance
Input Capacitance
Input Resistance
Input Capacitance
Input Sensitivity
Input Noise Figure
Freq Range
RF Input
IP3
IP2
Settings
RX trim 0x00
RX trim 0x00
RX trim 0xff
RX trim 0xff
Conditions
Trim set minimum
Trim set minimum
Trim set maximum
Trim set maximum
Min
Typ
2K
3
2K
6
-103
3
433
Max
Units
pF
pF
dBm
dB
MHz
dBm
dBm
dBm
3
260
6
700
-10
Max RF signal input
+8
+66
Specification
Output Resistance
Output Capacitance
Output Resistance
Output Capacitance
Harmonics
Freq Range
Freq Range
Modulation
On/Off Ratio
Output Power
Output Power
Settings
TX PC 0x00
TX PC 0x00
TX PC 0xff
TX PC 0xff
TX PC 0xff
Transmit
Transmit
Conditions
Min
Typ
22
3
TBD
TBD
-35
433.92
433.92
ASK/OOK
60
-24
6
Max
Units
pF
pF
dBc
MHz
MHz
With typical match circuit
260
350
700
480
Fast start crystal circuit
dB
dBm
dBm
TX PC 0x00
TX PC 0xff
With typical match circuit
With typical match circuit
RFOUT, RF Output Impedance
The RF transmitter output pin is RFOUT. This is an open
drain output. It requires a DC signal path to RFPWR, which is
the output of the internal power supply to the transmitter.
The transmitter output requires a tuned resonant circuit
externally to form the desired waveform. This resonant
circuit should be resonant at the desired output frequency.
The transmitter output also requires filtering to reduce the
harmonics to acceptable levels. The following circuit is a
suggestion for matching the output to 50
at 433.92MHz.
The circuit includes a tuned parallel LC tank at the
433.92MHz (including internal capacitance) and an LC notch
filter at the third harmonic.
Figure 6 – 433.92MHz Typical Match to 50
Table 15: RFIN Characteristics
Table 16: RFOUT Characteristics
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