ADMV4821-EVAL - 24-29.5GHz 5G Beamformer Eval Board | Analog Devices
MPN： ADMV4821-EVAL ✓ 啟用中ADMV4821-EVAL 概覽
A beamformer is a highly integrated RF front-end component that electronically steers antenna beams by adjusting the phase and amplitude of signals across multiple antenna elements. In massive MIMO systems, beamformers like the ADMV4821 are essential for achieving the high data rates and spectral efficiency required by 5G networks. The ADMV4821 belongs to the class of millimeter-wave (mmW) beamformer ICs, which are part of the broader category of RF front-end modules used in base stations and user equipment.
Key features of the ADMV4821 include 16 selectable TX channels and 16 selectable RX channels, dual polarization support, and a frequency range covering 24 GHz to 29.5 GHz. The evaluation board simplifies testing by providing all necessary power regulation and control interfaces, allowing engineers to focus on RF performance validation. The board is designed for use with the SDP-S controller, which provides a USB interface for software control of the beamformer's settings.
The ADMV4821 is fabricated in a SiGe process, offering a good balance of performance and integration for mmW applications. The device includes on-chip LDO regulators to ensure clean power delivery to the RF circuitry, reducing external component count. The evaluation board's layout is optimized for 50-ohm impedance matching, ensuring accurate measurements of gain, phase, and beamforming performance.
Typical applications for the ADMV4821-EVAL include 5G NR base station development, phased array antenna prototyping, and beamforming algorithm validation. The board is also useful for evaluating the ADMV4821 in test and measurement setups, where its wide frequency coverage and dual-polarization capability are advantageous.
When using the ADMV4821-EVAL, ensure proper power sequencing and control via the SDP-S board. The evaluation board requires a 5V supply and a USB connection to the controller. For accurate RF measurements, use calibrated test equipment and follow the guidelines in the user guide UG-1564.
直接替換替代品，適用於 ADMV4821-EVAL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
ADMV4821-EVALZ
✅ 直接替換📋 參考替代品（不在目錄中）
ADMV4801-EVALZ
⚡ 相同封裝 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PE188200A-Z
⚡ 相同封裝📋 參考替代品（不在目錄中）
ADMV4821-EVAL 規格（製造商公布）
| Frequency Range | 24 GHz to 29.5 GHz |
| Number of TX Channels | 16 |
| Number of RX Channels | 16 |
| Polarization | Dual (Horizontal and Vertical) |
| RF Input/Output Impedance | 50 ohm single-ended |
| Supported 5G NR Bands | n257, n258, n261 |
| Technology | Silicon Germanium (SiGe) |
| Evaluation Board Includes | ADMV4821, LDO regulators, level shifters, EVAL-SDP-CS1Z controller |
| Controller Interface | USB via SDP-S |
| 供應電壓 | 5V (typical) |
| Package Type | Evaluation Board (PCB) |
| RoHS 狀態 | Compliant |
| Lifecycle | Recommended for New Designs |
| Datasheet Revision | Rev. B |
ADMV4821-EVAL 介面與連接器
ADMV4821-EVAL 依製造商公布提供以下介面與連接器：功率輸入。擴充排針腳位、連接器腳位編號與電氣限制均定義於製造商文件中。
| 功率輸入 | 5V (typical) |
請參閱 製造商文件 以取得完整的擴充排針腳位定義與連接器腳位編號。
功率與熱特性
| 功率輸入 | 5V (typical) |
ADMV4821-EVAL 由製造商公布的功率輸入與熱參數。
典型應用
ADMV4821-EVAL 適用於 6 應用s: 5G NR Base Station Development, Phased Array Antenna Prototyping, Beamforming Algorithm Validation, Test and Measurement Equipment, Satellite Communication Systems, Radar Systems.
5G NR Base Station Development
The ADMV4821-EVAL is used to prototype and validate 5G NR base station beamforming modules. Its 24-29.5 GHz frequency coverage supports n257, n258, and n261 bands, and the 16 TX/16 RX channels enable massive MIMO testing. The board's integrated LDOs and level shifters simplify power and control, allowing engineers to focus on RF performance. With dual polarization, it supports both horizontal and vertical antenna configurations, essential for high-capacity base stations.
推薦
Phased Array Antenna Prototyping
The ADMV4821-EVAL enables rapid prototyping of phased array antennas for 5G and radar applications. The beamformer's 16 channels per polarization allow precise phase and amplitude control, which is critical for beam steering. The evaluation board provides a convenient platform to test antenna arrays without designing custom RF front-ends. Its 50-ohm single-ended ports simplify connection to antenna elements, and the SDP-S controller allows software-based beamforming algorithm development.
推薦
Beamforming Algorithm Validation
Engineers use the ADMV4821-EVAL to validate beamforming algorithms in real hardware. The board's 16 TX and 16 RX channels provide a realistic testbed for algorithms that optimize signal-to-noise ratio and interference rejection. The dual-polarization capability allows testing of polarization diversity techniques. The SDP-S controller enables fast iteration of firmware and software, making it ideal for research and development of advanced beamforming strategies.
推薦
Test and Measurement Equipment
The ADMV4821-EVAL can be used in test and measurement setups to characterize beamformer performance, such as gain, phase, and error vector magnitude (EVM). Its wide frequency range and dual-polarization support make it suitable for automated test systems. The board's 50-ohm interfaces are compatible with standard RF test equipment, and the SDP-S controller provides a stable control interface. This allows for repeatable measurements in production test environments.
推薦
Satellite Communication Systems
The ADMV4821-EVAL is applicable to satellite communication systems operating in the 24-29.5 GHz range, such as Ka-band downlinks. The beamformer's dual-polarization and 16 channels enable high-throughput satellite terminals. The evaluation board allows engineers to test the ADMV4821 in a controlled environment before integrating into a full system. Its integrated LDOs ensure clean power, which is critical for maintaining signal integrity in space-grade applications.
推薦
Radar Systems
The ADMV4821-EVAL can be used to develop radar systems that operate in the 24-29.5 GHz band, such as automotive radar and imaging radar. The beamformer's 16 channels allow for high-resolution beamforming, which is essential for target detection and imaging. The evaluation board provides a flexible platform to test radar waveforms and signal processing algorithms. Its dual-polarization capability enhances radar performance in cluttered environments.
推薦
推薦產品摘要
工程參考資料，適用於 ADMV4821-EVAL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADMV4821-EVALZ | ADMV4801-EVALZ | PE188200A-Z |
|---|---|---|---|---|
| Package | Evaluation Board | Evaluation Board | Evaluation Board | Evaluation Board |
| Brand | Analog Devices | Analog Devices | Analog Devices | pSemi |
| Number of Channels | 16 TX / 16 RX | 16 TX / 16 RX | 16 TX / 16 RX | 8 channels |
| Polarization | Dual | Dual | Single | Dual |
主要差異化特點
- Dual polarization support (對比ADMV4801-EVALZ)
- 16 TX and 16 RX channels (對比PE188200A-Z)
- Integrated LDO regulators and level shifters (對比PE188200A-Z)
設計說明
The ADMV4821-EVAL requires a 5V supply and uses on-board LDO regulators to provide clean power to the beamformer. Ensure the supply is stable and free of noise to avoid degrading RF performance. The SDP-S controller board is powered via USB, but the RF section should be powered separately to prevent digital noise coupling.
The evaluation board is designed with 50-ohm impedance matching for all RF ports. When connecting external antennas or test equipment, use high-quality RF cables and connectors to maintain signal integrity. Avoid long cable runs at 24-29.5 GHz to minimize losses.
Ensure the SDP-S controller is properly connected and recognized by the software before powering the board. Incorrect power sequencing can damage the beamformer. Refer to the user guide UG-1564 for detailed setup instructions and software configuration.
合規資訊
RoHS compliance inferred from ADI standard practice; not explicitly stated in provided data.
