数字上变频器和下变频器
Analog Devices, Inc.（简称ADI）的上变频器和下变频器可用作频率转换器和数据转换器与DSP模块之间的数字滤波器。这些创新的产品能够帮助实现高度可编程和可配置的接收和发送信号链，从而允许3G无线基站中使用多通道、多载波无线电平台。它们还能够满足许多其它通信应用对数字数据转换的要求。
查看最新的 数据转换器 IC 解决方案通报。
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| Download this Selection Table (pdf) | |
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Last Updated: 6/2012 |
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| Generic Part # | MSPS | GSM, EDGE/GPRS | CDMA2000 | UMTS | TDS-CDMA | |
|---|---|---|---|---|---|---|
| 1x | 3x | |||||
| AD6620 | 65 | 1 Channel (main and diversity) |
1 Channel 2 samples per chip |
1 Channel with FPGA to finish filtering 2 samples per chip |
1 Channel with FPGA to finish filtering 2 samples per chip |
1 Channel |
| AD6624A | 65 | 4 Channels 2 samples per symbol |
2 Channels 2 samples per chip |
1 Channel with FPGA for serial to parallel conversion 2 samples per chip |
2 Channels with FPGA for serial to parallel conversion 2 samples per chip |
4 Channels
1 sample per chip |
| AD6634 | 80 | 4 Channels 2 samples per symbol |
2 Channels 4 samples per chip Digital AGC |
2 Channels 4 samples per chip Digital AGC |
2 Channels 4 samples per chip Digital AGC |
4 Channels 1 sample per chip |
| AD6636 | 150 | 6 Channels 4 / 8 samples per symbol |
6 Channels 4 samples per chip Digital AGC |
6 Channels 4 samples per chip Digital AGC |
6 Channels Digital AGC |
6 Channels 1 / 2 / 4 samples per chip |
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| Generic Part # | MSPS | GSM, EDGE/GPRS | CDMA2000 | UMTS | TDS-CDMA | |
|---|---|---|---|---|---|---|
| 1x | 3x | |||||
| AD6623 | 104 | 4 Channels Modulate using I/Q symbols Direct modulation xPSK Mode switching Power Ramping |
2 Channels (real output) Serial output Includes IIR filter for phase pre-distortion |
2 Channels (real output) Serial output |
2 Channels (real output) Serial output |
4 Channels Serial output Power Ramping Direct modulation |
| AD6633 | 125 | 6 Channels Modulated I/Q data VersaCREST™ Crest Reduction Engine IF/RF compensation using complex filter |
6 Channels Modulated I/Q data VersaCREST™ Crest Reduction Engine Includes IIR filter for phase pre-distortion |
6 Channels Modulated I/Q data VersaCREST™ Crest Reduction Engine IF/RF compensation using complex filter |
6 Channels Modulated I/Q data VersaCREST™ Crest Reduction Engine IF/RF compensation using complex filter |
6 Channels Modulated I/Q data VersaCREST™ Crest Reduction Engine IF/RF compensation using complex filter |
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| Generic Part # | Master Clock (MSPS min) | Power Supply Voltage (Vnom) | Power Dissipation (mW max) | Description |
|---|---|---|---|---|
| AD9856 | 200 | Single (+3) | 1590 | 200 MHz Quadrature Digital Upconverter With 12-Bit Data Path |
| AD9857 | 200 | Single (3.3 V) | 2029 | 200 MSPS Quadrature Digital Upconverter with 14-bit Data Path |
| AD9957 | 1000 | Multi (1.8, 3.3) | 1800 | 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC |
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