參數(shù)資料
型號: RXC101
廠商: RF Monolithics, Inc.
英文描述: Multi-channel High data rate Programmable
中文描述: 多通道可編程數(shù)據(jù)率高
文件頁數(shù): 5/33頁
文件大?。?/td> 546K
代理商: RXC101
5
2. Functional Description
The RXC101 is a low power, frequency agile, zero-IF, multi-channel FSK receiver for use in the 315, 433,
868, and 916 MHz bands. All RF and baseband functions are completely integrated requiring only a
single 10MHz crystal as a reference source and an external low-cost processor. Functions include:
PLL synthesizer
LNA, programmable gain
I/Q Mixers
I/Q Demodulators
Baseband Filters
Baseband Amplifiers
RSSI
Low Battery Detector
Wake-up Timer/Duty Cycle Mode
Valid Data Detection/Data Quality
The RXC101 is ideal for Frequency Hopping Spread Spectrum (FHSS) applications requiring frequency
agility to meet FCC requirements. The RXC101 supports use of a low-cost microcontroller, or may
operate as a single chip solution for simple applications. The RXC101 also incorporates different sleep
modes to reduce overall current consumption and extend battery life. It is ideal for applications operating
from typical lithium coin cells.
2.1 RXC101 Typical Application Circuit
Figure 1. Typical Processor Mode Application Circuit
Processor Mode (Application Circuit)
The RF pins are high impedance and differential. The optimum differential load for the RF port is 250
Ohms. Antennas ideally suited for this would be a Dipole, Folded Dipole, and Loop. A single ended 50
Ohm connection may also be used with the matching circuit given in Figure 1. Matching component
values for each band are given in Table 16.
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