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| 型号： | AD6622 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP |
| 中文描述： | 4通道，75 MSPS的数字传输信号处理器判刑 |
| 文件页数： | 1/28页 |
| 文件大小： | 242K |
| 代理商： | AD6622 |
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD6622
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
Four-Channel, 75 MSPS Digital
Transmit Signal Processor (TSP)
FUNCTIONAL BLOCK DIAGRAM
CH A
CH B
CH C
CH D
RCF
NCO
18
18
PORT
CIC
FILTER
SPORT
SPORT
SPORT
SPORT
RCF
RCF
RCF
CIC
FILTER
CIC
FILTER
CIC
FILTER
NCO
NCO
NCO
JTAG
S
FEATURES
Wideband Digital IF Parallel Output
Wideband Digital IF Parallel Input
Allows Cascade of Chips for Additional Channels
Programmable IF and Modulation for Each Channel
Programmable Interpolating RAM Coefficient Filter
High-Speed CIC Interpolating Filter
NCO Frequency Translation
Worst Spur Better than 100 dBc
Tuning Resolution Better than 0.02 Hz
Real or Complex Outputs
Digital Summation of Channels
Clipped or Wrapped Overrange
Two’s Complement or Offset Binary Output
Separate 3-Wire Serial Data Input for Each Channel
Microprocessor Control
JTAG Boundary Scan
APPLICATIONS
Cellular/PCS Base Stations
Micro/Pico Cell Base Stations
WBCDMA
Wireless Local Loop Base Stations
Phase Array Beam Forming Antennas
PRODUCT DESCRIPTION
The AD6622 comprises four identical digital Transmit Signal
Processors (TSPs) complete with synchronization circuitry and
cascadable wideband channel summation. An external digital-
to-analog converter (DAC) is all that is required to complete a
wide band digital up-converter. On-chip tuners allow the relative
phase and frequency for each RF carrier to be independently
controlled.
Each TSP has three cascaded signal processing elements: a
RAM-programmable Coefficient interpolating Filter (RCF), a
programmable Cascaded Integrator Comb (CIC) interpolating
filter, and a Numerically Controlled Oscillator/tuner (NCO).
The outputs of the four TSPs are summed and scaled on-chip.
In multichannel wideband transmitters, multiple AD6622s may
be combined using the chip’s cascadable output summation stage.
Each channel provides independent serial data inputs that may
be directly connected to the serial port of DSP chips. User pro-
grammable FIR filters can be used to filter linear inputs.
All control registers and coefficient values are programmed through
a generic microprocessor interface. Two microprocessor bus
modes are supported. All inputs and outputs are LVCMOS
compatible. All outputs are LVCMOS and 5 V TTL compatible.
相关PDF资料 |
PDF描述 |
|---|---|
| AD6623 | 4-Channel, 104 MSPS Digital Transmit Signal Processor TSP |
| AD6623ABC | 4-Channel, 104 MSPS Digital Transmit Signal Processor TSP |
| AD6623AS | 4-Channel, 104 MSPS Digital Transmit Signal Processor TSP |
| AD6623PCB | 4-Channel, 104 MSPS Digital Transmit Signal Processor TSP |
| AD6624AS | Four-Channel, 80 MSPS Digital Receive Signal Processor (RSP) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD6622AS | 制造商:Analog Devices 功能描述:Transmit Signal Processor 128-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:4 CHANNEL 65 MSPS DIGITAL UPCONVERTER - Bulk |
| AD6622PCB | 制造商:AD 制造商全称:Analog Devices 功能描述:Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP |
| AD6622S | 制造商:AD 制造商全称:Analog Devices 功能描述:Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP |
| AD6622S/PCB | 制造商:AD 制造商全称:Analog Devices 功能描述:Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP |
| AD6623 | 制造商:Analog Devices 功能描述: |
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