Wideband RF-to-Digital Complex Receiver-Feedback Signal Chain
TIDA-00074
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Description
This is a wideband complex-receiver reference design and evaluation platform that is ideally suited for use as a feedback receiver for transmitter digital predistortion. The EVM signal chain is ideal for high intermediate-frequency (IF) complex-feedback applications and contains a complex demodulator, TI’s LMH6521 dual-channel DVGA and ADS5402 12-bit 800-MSPS dual-channel ADC. By modifying the onboard filter components, the signal chain is configurable for a variety of frequency plans. The EVM also includes TI’s LMK04808 dual-PLL clock jitter cleaner and generator to provide an onboard low-noise clocking solution. The LMH6521 DVGA gain is controlled through the GUI or alternatively through the high speed connector with an FPGA.
Features
- Complete RF to digital complex wideband receiver solution
- Up to 800MHz of contiguous spectrum can be sampled
- Default configuration of RF input from 1800M to 2400M, options for 700M to 3GHz
- Onboard DVGA for gain control
- Easy evaluation platform with TSW1400 and HSDC Pro analysis software
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Schematic/Block Diagram
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Test Data
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TI Devices (8)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| ADS5402 |
Dual-Channel, 12-Bit, 800-MSPS Analog-to-Digital Converter (ADC) |
Analog-to-digital converters (ADCs) |
Sample & Buy |
View Design Kits & Evaluation Modules |
| CSD17313Q2 |
30V, N ch NexFET MOSFET™, single SON2x2, 32mOhm |
MOSFETs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| LMH6521 |
High Performance Dual DVGA |
RF amplifiers |
Sample & Buy |
View Design Kits & Evaluation Modules |
| LMK04803 |
Low Noise Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 1.9 GHz VCO |
Clocks & timing |
Sample & Buy |
View Design Kits & Evaluation Modules |
| SN65LVDS100 |
2-Gbps LVDS, LVPECL & CML to LVDS buffer, repeater & translator |
Interface |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS2400 |
5.5-V over voltage protection controller with 100-V input transient protection |
Power switches |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS767 |
1-A, 10-V, low-dropout voltage regulator with enable & RESET with delay |
Power management |
Sample & Buy |
Not Available |
| TPS7A80 |
1-A, high-PSRR, ultra-low-dropout voltage regulator with low-IQ & enable |
Power management |
Sample & Buy |
View Design Kits & Evaluation Modules |
CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guides (1)
| Title | Type | Size (KB) | Date |
| | PDF | 351 |
03 Sep 2013
|
Design files (6)
| | ZIP | 849 |
02 May 2014
|
| | ZIP | 2754 |
02 May 2014
|
| | ZIP | 2975 |
02 May 2014
|
| | PDF | 137 |
02 May 2014
|
| | PDF | 118 |
02 May 2014
|
| | ZIP | 5031 |
15 Jan 2013
|
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