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參數資料
| 型號： | AMIS-52100 |
| 英文描述： | Transceiver with Clock and Data Recovery |
| 中文描述： | 收發(fā)器時鐘和數據恢復 |
| 文件頁數： | 2/26頁 |
| 文件大?。?/td> | 1040K |
| 代理商： | AMIS-52100 |
AMIS-52100
Low-Power Transceiver with Clock and Data Recovery
Data Sheet
PLL Lock Time: <50us
Selectable Data Filter: up to 20kHz
Internal Trim Function:
o
TX power (-3 to +12dBm)
o
Antenna impedance match (two independent channels)
o
Xtal for frequency and Quick Start
o
RC oscillator frequency
o
Sniff Mode for data threshold
o
Data slice
Clock and Data Recovery (reduced Data jitter)
I
C Interface: Control bus
Serial Interface: Data input/output
Low Frequency IF
Internal IF Filtering
Package: 20-lead, 209mm SSOP
4.0 Functional Block Diagram
The AMIS-52100 is a dual channel receiver and a transmitter in a single small outline package. The receiver provides two independent
receive channels with the signals combined in the data detection circuit. Summing the signals allows the two channels to be used for
antenna diversity without complex protocols to select the strongest channel. The AMIS-52100 can be programmed to be a single
channel or a dual channel receiver. There are internal trim functions for the RF receiver frequency, tuning each input port, setting the
internal filters to match the data rate, and to set the threshold level for acquiring an incoming signal. The receiver converts the received
RF signal to a low frequency IF. An RSSI circuit determines the strength of the received signal. A level detector samples the RSSI
signal level and compares that level to the slice threshold to recover data. The slice threshold can either be set to a fixed level or the
AMIS-52100 can determine the threshold level from the incoming data.
The transmitter is a high efficiency PA that is simply turned on or off by the serial data. The output power level is adjustable. The
frequency of the RF output can be tuned with an internal crystal trim function that allows the AMIS-52100 to abide component and
manufacturing tolerances. There are a number of unique circuit features. The AMIS-52100 can be placed in a very low power state with
the crystal oscillator off and a low power RC oscillator maintaining operations. There is an application wakeup mode where the AMIS-
52100 “sleeps” until either the application wakeup timer wakes the device or an external controller wakes the device. The receiver can
be used in a low power Sniff Mode where the AMIS-52100 is programmed to wake at times to “sniff” for received RF signals and then
return to “sleep” if a signal is not detected. The AMIS-52100 contains a Quick Start circuit that allows the crystal oscillator to return to
full operation in an extremely short time which allows the AMIS-52100 to consume much less power than comparable products. The
AMIS-52100 uses a programmable PLL to synchronize a data clock to the received data. This circuit can remove much of the jitter on
the data signal.
These functions will be described in more detail later in this document.
2
AMI Semiconductor
– Rev 4.0, Mar. 06 – M-20535-004
www.amis.com
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| AMIS52100/19293001XTD | 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述: |
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| AMIS-52100-I | 制造商:AMI 制造商全稱:AMI 功能描述:Transceiver with Clock and Data Recovery |
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| AMIS-52150 | 制造商:AMI 制造商全稱:AMI 功能描述:Low-Power Transceiver with Clock and Data Recovery |
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