Analog Devices Inc. EV-ADF5902SD1Z

Overview

EV-ADF5902SD1Z from Analog Devices is an evaluation board designed to characterize the ADF5902 24 GHz ISM-band multichannel FMCW radar transmitter IC, featuring integrated VCO, PGA, dual-channel PA outputs, and fractional-N PLL with ramp generation capability. It supports full functional validation of frequency synthesis, chirp modulation, and RF output performance in automotive radar and industrial sensing applications.

For engineers reviewing the EV-ADF5902SD1Z datasheet, EV-ADF5902SD1Z pinout, EV-ADF5902SD1Z application, or EV-ADF5902SD1Z equivalent, this board enables rapid prototyping of 24 GHz FMCW radar systems using Windows-based PLL software, external SDP-S controller interface, and standard RF test equipment including spectrum analyzers and 5 V power supplies.

Technical Context

The EV-ADF5902SD1Z implements a complete hardware platform for the ADF5902 MMIC, integrating three high-frequency K-type SMA connectors (J4 LOOUT, J8 TXOUT1, J9 TXOUT2), banana-jack DC power inputs, and SPI interface routing to the EVAL-SDP-CS1Z controller board. All critical biasing, loop filter components, and reference clock conditioning-including a 100 MHz TCXO (Y1) and REF_IN path-are implemented on-board.

It provides direct access to ADF5902 control signals (TX_DATA, CE_TX, CLK_TX, DATA_TX, LE_TX, DOUT_TX), analog tuning (VTUNE), charge pump output (CPOUT), and MUXOUT via test points and routed traces. The board requires external SDP-S controller for register programming and does not include onboard microcontroller or firmware execution capability.

Key Specifications

Availability

EV-ADF5902SD1Z is available at Aetrix Electronics and suitable for 24 GHz FMCW radar development, mmWave sensor evaluation, and ISM-band RF transceiver characterization requiring stable component supply, traceable sourcing, and long-term design-in support.

Supply support for EV-ADF5902SD1Z includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with deep expertise in RF, microwave, and mmWave technologies.

The EV-ADF5902SD1Z belongs to Analog Devices' radar evaluation platform family, engineered specifically to accelerate development of 24 GHz industrial and automotive FMCW radar systems using the ADF5902 transmitter MMIC.

FAQ

What is the primary function of the EV-ADF5902SD1Z evaluation board?

The EV-ADF5902SD1Z evaluation board is a dedicated hardware platform for evaluating the ADF5902 24 GHz VCO, programmable gain amplifier, and dual-channel power amplifier MMIC. It enables full characterization of frequency synthesis, linear FMCW ramp generation, and RF output performance. The EV-ADF5902SD1Z does not operate autonomously-it requires connection to the EVAL-SDP-CS1Z controller board and Windows-based PLL software to configure registers and initiate chirp sequences.

Does the EV-ADF5902SD1Z include an onboard microcontroller or firmware?

No, the EV-ADF5902SD1Z does not contain an onboard microcontroller, processor, or executable firmware. It is a passive evaluation platform that relies entirely on external host control via the EVAL-SDP-CS1Z SDP-S controller board and Analog Devices' Windows-based PLL software. All ADF5902 register writes, initialization sequences, and ramp parameter updates are performed over SPI from the PC-hosted software.

What external hardware is required to operate the EV-ADF5902SD1Z?

To operate the EV-ADF5902SD1Z, you must provide: (1) an EVAL-SDP-CS1Z SDP-S controller board (sold separately), (2) a 5 V DC power supply connected via banana jacks, (3) a Windows PC with USB port and installed PLL software, and (4) RF test equipment-such as a spectrum analyzer connected to J9 (TXOUT2)-to measure output signals. An external reference source may replace the on-board 100 MHz TCXO if needed.

Can the EV-ADF5902SD1Z generate FMCW chirps without external signal sources?

Yes-the EV-ADF5902SD1Z supports autonomous FMCW chirp generation using the ADF5902's internal ramp engine. The PLL software configures ramp type (e.g., triangular, sawtooth), step count, slope values, and timing parameters directly into ADF5902 registers. No external waveform generator is required for basic chirp operation, though TX_DATA can be driven externally for advanced synchronization.

Are the RF outputs of the EV-ADF5902SD1Z dc-coupled or ac-coupled?

All RF outputs on the EV-ADF5902SD1Z-J4 (LOOUT), J8 (TXOUT1), and J9 (TXOUT2)-are ac-coupled using integrated blocking capacitors, as confirmed by schematic pages 6–7 and user guide Section 3 ("Output Signals"). This prevents dc bias voltages from reaching test equipment while preserving RF integrity across the 24 GHz operating band.