Precise Control of I/Q Modulator Output Power Using the ADL5386 Quadrature Modulator and the AD5621 12-Bit DAC
使用 Analog Devices 的 AD5621 的参考设计
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依据最终产品
- Power Control
- Precision Instruments
说明
- Application circuit provides up conversion of I/Q modulated data and automatic power control of the RF/IF carrier level. The output power is set by a 12-bit digital-to-analog converter (DAC) and can be precisely set over a linear-in-dB range of up to 30 dB. Stability over temperature is typically ±0.2 dB from -40 to +85 degree-C. It shows operation at an output frequency of 350 MHz, however the circuit operates from 50 MHz to 2.2. GHz
主要特色
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DAC Resolution12 Bit
Featured Parts (5)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
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AD5621BKSZ-REEL7 | Analog Devices | Digital to Analog Converters - DACs | DAC 1-CH Resistor-String 12-bit 6-Pin SC-70 T/R | 买入 | |
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AD5621ACPZ-RL7 | Analog Devices | Digital to Analog Converters - DACs | DAC 1-CH Resistor-String 12-bit 6-Pin LFCSP EP T/R | 买入 | |
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AD5621AKSZ-500RL7 | Analog Devices | Digital to Analog Converters - DACs | DAC 1-CH Resistor-String 12-bit 6-Pin SC-70 T/R | 买入 | |
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AD5621BKSZ-500RL7 | Analog Devices | Digital to Analog Converters - DACs | DAC 1-CH Resistor-String 12-bit 6-Pin SC-70 T/R | 买入 | |
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AD5621AKSZ-REEL7 | Analog Devices | Digital to Analog Converters - DACs | DAC 1-CH Resistor-String 12-bit 6-Pin SC-70 T/R | 买入 | |