FX839D2

更新时间： 2024-01-26 12:05:06

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FX839D2 技术参数

CML Semiconductor Products

^{Analogue Control Interface}FX839

September 1997

D/839/4

1.0

Features

Advance Information

• Three DACs

• Multiplexed 4 Input ADC

8 or 10-Bit Resolution

10-Bit Resolution

• Custom IRQ Generator with Variable • Scalable ADC Clock Frequencies

8-Bit Reference Settings

• Two Variable Attenuators

• Low Power (3.0V Operation)

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.

Consumer Microcircuits Limited

1997

12 3 4 5 6 7...22

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