參數(shù)資料
型號(hào)： FX839
英文描述： Analogue Control Interface
中文描述： 模擬控制接口
文件頁(yè)數(shù)： 1/22頁(yè)
文件大?。?/td> 1138K
代理商： FX839
CML Semiconductor Products
Analogue Control Interface
FX839
1997 Consumer Microcircuits Limited
D/839/4 September 1997
Advance Information
1.0
Features
Three DACs
8 or 10-Bit Resolution
Custom IRQ Generator with Variable
8-Bit Reference Settings
Two Variable Attenuators
Low Power (3.0V Operation)
Multiplexed 4 Input ADC
10-Bit Resolution
Scalable ADC Clock Frequencies
from Xtal/Clock
Serial Interface to Host μC
24-Pin SSOP Package
1.1
Brief Description
This product comprises a selection of independent functional blocks vital to modern microcomputer controlled
radio-frequency communications equipment. Examples of possible uses are as follows:
The four-way multiplexed ADC with magnitude comparator may be used for monitoring RSSI, battery
voltage, temperatures, reflected signals or error voltages.
The three DACs may be used to adjust VCOs, reference oscillators, power output, bias current or IF gain.
The two variable attenuators may be used to adjust deviation, modulation depth or baseband gain.
The FX839 is controlled via the standard serial 'C-BUS'. This is complementary to, and compatible with, many
standard microcomputers and other baseband processing blocks.
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