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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)： | 60/107頁 |
| 文件大小： | 2576K |
| 代理商： | AMIS-53050 |
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AMIS-53050
Frequency Agile Transceiver
Data Sheet
Table 37: AM Data Filter and Slice Options - 0X1E [30]
Bit
Name
State
000
001
010
011
100
101
110
111
00
01
10
11
00
01
10
11
Comment
RSSI filter bandwidth =300Hz
RSSI filter bandwidth = 600Hz
RSSI filter bandwidth = 1.2kHz
RSSI filter bandwidth = 2.4kHz
RSSI filter bandwidth = 4.8kHz
RSSI filter bandwidth = 9.6kHz
RSSI filter bandwidth = 19.2kHz
RSSI filter bandwidth = 38.4kHz
DAC mode: Slice threshold set in register 1Bh
Average mode: AM threshold set using averaging filter
Peak detect mode: AM threshold set using peak detector
DAC mode: Slice threshold set in register 1Bh
0mV slice hysteresis
25mV slice hysteresis
50mV slice hysteresis
100mV slice hysteresis
[7:5]
AM_FILTER[2:0]
4
NU
[3:2]
AM_SLICE[1:0]
[1:0]
AM_HYST[1:0]
FM FFT
The AMIS-53050 receiver uses a FFT function to recover data from a FM/FSK modulated signal when the data rate is higher than
20kbps. The FFT detector uses a two-bit DFFT to demodulate the incoming IF signal. This circuit also uses the same clock recovery
ock (CDR) as the AM detector (see Section 6.1.4) to detect the data.
A pattern of 1’s and 0’s is required as a pr
preamble to bit-align the Manchester deco
der to the recovered data.
ded data is used, requiring a unique
Register descriptions:
Data Rate
- Can be specified in the discrete data rate register, or specified as a 16-bit word for a user defined data rate (see
Section 7.1.3).
eak Deviation
- The peak deviation r
th
is used to
mode, is value
res the value to be used for both transmit and receive. In the FFT FM receive
the FFT bins (see Sections 6.4.1.5 and 6.4.1.6).
set-up
FM PLL
the command ROM2REGs to have th
be calculated. (AMI Semiconductor provides a program, he
CDR Loop Filter
- For the discrete data rates, the values for the loop filter coefficients are pre-programmed (issue the
command ROM2REGs to have the AMIS-53050 determine these values). For user defined data rates, this value needs to be
calculated. (AMI Semiconductor provides a program, helper.exe, which can help in determining the values for this register.)
oop Fi
or the
nts are pre-programmed (issue
ine these values). For user defined data rates, this value needs to
xe, which can help in determining the values for this register.)
lper.e
M
Th
us
da
T
an
mode, the preamble is
d
e ambiguity of the preamble, a SOF byte is necessary for the Manchester decoding block. The suggested SOF for this is either
#AAh. The length of preamble necessary for this mode is dependant upon the loop bandwidth for the clock recovery PLL.
nction to recover the data from a FM/FSK modulated signal with data rates 20kbps or lower. This circuit
tion, the output of which is fed to the AM CDR circuit to recover the clock, and additionally filter the output
h
hen configured as NRZ FM is a repeating sequence of 1’s and 0’s. This gives the CDR circuit
ufficient edges to acquire lock. Hence, for the NRZ case it is unnecessary to include a SOF byte. In Manchester
specified as all 1’s (or 0’s). This gives the clock recovery circuit the most edges for lock acquisition. However,
ue to th
#55h or
bl
eamble. A SOF is not required unless Manchester enco
P
egister sto
Detector L
lter
- F
discrete data rates, the values for the loop filter coefficie
e AMIS-53050 determ
F PL (Low Data Rate FSK)
e AMIS-53050 uses a PLL fu
es an A DPLL for demodula
ta.
e preamble sent by the AMIS-53050 w
d PLL demodulator s
60
AMI Semiconductor
– Jan. 07, M-20639-002
www.amis.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-53050-I/A | 制造商:AMI 制造商全稱:AMI 功能描述:Frequency Agile Transceiver |
| AMIS-53050-XTD | 功能描述:射頻收發(fā)器 AMIS-53050 WLESS TRNSCVR RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| AMIS-70020 | 制造商:ON Semiconductor 功能描述:POWER FAILURE ELAPSED TIME COUNTER, SOIC - Rail/Tube 制造商:ON Semiconductor 功能描述:POWER FAILURE ELAPSED TIME COUNTER, SOIC - Tape and Reel |
| AMIS-710200 | 制造商:AMI 制造商全稱:AMI 功能描述:200dpi CIS Module |
| AMIS-710201 | 制造商:AMI 制造商全稱:AMI 功能描述:200dpi CIS Module |
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