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參數(shù)資料
| 型號： | AMIS-52150 |
| 英文描述： | Low-Power Transceiver with Clock and Data Recovery |
| 中文描述： | 低功耗收發(fā)器時鐘和數(shù)據(jù)恢復(fù) |
| 文件頁數(shù)： | 8/25頁 |
| 文件大?。?/td> | 900K |
| 代理商： | AMIS-52150 |
AMIS-52150
Low-Power Transceiver with Clock and Data Recovery
Data Sheet
8.3 LPFILT, Loop Filter Pin
The LPFILT pin connects the AMIS-52150 internal phase lock loop (PLL) frequency synthesizer to an external loop filter (Fig. 5). An
external loop filter allows the system designer to optimize the operation of the AMIS-52150 in order to meet the requirements for a
specific end application. For further details, refer to the application note titled “Extending to Frequencies Outside of the 403MHz
Target”.
Figure 5: Typical Loop Filter
8.4 RSSI/BG, Analog Output Pin
The RSSI/BG pin is used to output either the signal from the RSSI circuits, or to output the voltage from the bandgap voltage reference
or a bypass capacitor node, respectively. The RSSI output is a true analog representation of the received signal level. The pin can also
be programmed to output the voltage of the bandgap voltage reference. When using the AMIS-52150 in the clock and data recovery
mode, a capacitor needs to be connected from the RSSI/BG pin to ground. A typical value for this capacitor is 2.2nF. Additional
information on the CDR function can be found later in this document. Table 12 presents the registers that control the function of the
RSSI/BG pin.
Table 12: RSSVBG Pin Control Registers
RSSI Pin Definition Control Registers
Register
(HEX)
0x0e
Bandgap on RSSI
3
0
Normal operation
1
BG output on RSSI*
0x1e
RSSI Ext Amp
4
0
Tri-stated
1
RSSI signal
*Note that device needs to be in RX, TX or crystal-on mode for bandgap voltage to be present on pin.
Name
Bits
States
Comments
8.5 CREF, Current Reference Bias Pin
A resistor must be connected to the CREF pin to provide a current bias to the internal bandgap voltage reference circuit. It is critical
that this resistor value is 33.2K
(with one percent or better tolerance) to achieve proper operation of the bandgap voltage reference.
8
AMI Semiconductor
– Apr. 07 – M-20535-006
www.amis.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-52150-XTD | 功能描述:射頻收發(fā)器 RF TRNSCVR SUB-1GHZ 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-52150-XTP | 功能描述:射頻接收器 RF TRNSCVR SUB-1GHZ CDR RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| AMIS-53000 | 制造商:AMI 制造商全稱:AMI 功能描述:Frequency Agile Transceiver |
| AMIS53000/19608-001XT | 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述: |
| AMIS53000/SAMPLE | 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述: |
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