Software
GUI for evaluation module (EVM)
TIDA-01161
1-GHz Signal Bandwidth RF Sampling Receiver Reference Design
TIDA-01161
Overview
The RF sampling architecture offers an alternative to the traditional super-heterodyne architecture. An RF sampling analog-to-digital converter (ADC) operates at a high sampling rate and converts signals directly from radio frequencies (RF) to digital. Because of the high sampling rate, the RF sampling architecture supports very wide signal bandwidths. Higher signal bandwidths increase the capacity of the system allowing for faster data transmission or greater user access.
The reference design features the ADC32RF45 which is a dual channel,14-bit resolution ADC sampling up to 3-GSPS. The maximum signal bandwidth is set by the ADC sampling rate divided by two. With this reference design the signal bandwidth capability exceeds 1-GHz. The maximum input frequency is set by the input bandwidth of the input buffers of the ADC and the input transformers. This reference design allows direct capture of RF signals up to 4-GHz which is suitable for all of the key telecommunication bands and S-band RADAR applications. The design includes an optimized clocking solution for maintaining the JESD204B serialized data interface and achieving the highest signal-to-noise ratio (SNR) performance.
Features
- 3-GSPS RF sampling ADC solution
- 1 -GHz and larger signal bandwidth capability
- Low noise, high dynamic range RF sampling receiver solution
- Low-phase noise clocking solution for RF sampling ADC
Communications equipment
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUBQ0.PDF (655 K)
Reference design overview and verified performance test data
TIDRLX8.PDF (662 K)
Detailed schematic diagram for design layout and components
TIDRLX9.PDF (230 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRLY0.ZIP (7043 K)
Files used for 3D models or 2D drawings of IC components
Products
Includes TI products in the design and potential alternatives.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | 1-GHz Signal Bandwidth RF Sampling Receiver Solution | Apr. 18, 2016 | |
| Technical article | Push your receiver bandwidths past 1-GHz in high-end applications | PDF | HTML | May 26, 2016 |
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