Analog Devices Inc. ADL5357-EVALZ

Overview

ADL5357-EVALZ from Analog Devices is an evaluation board for the ADL5357 500–1700 MHz balanced mixer IC, integrating RF balun, LO buffer, and IF amplifier. It supports high-side/low-side LO injection, delivers 8.6 dB power conversion gain and 9.1 dB SSB noise figure at 5 V, and enables rapid LO switching in TDD systems.

For engineers reviewing the ADL5357-EVALZ datasheet, ADL5357-EVALZ pinout, ADL5357-EVALZ application, or ADL5357-EVALZ equivalent, this board provides validated RF/IF interface layout, calibrated bias resistor networks, on-board 4:1 IF transformer, and dual LO path routing-critical for cellular base station receiver prototyping, transmit observation loop validation, and radio link downconverter development.

Technical Context

The ADL5357-EVALZ implements the full signal chain of the ADL5357 IC: single-ended 50 Ω RF input routed through integrated balun to a passive doubly balanced mixer core; two ac-coupled LO inputs (LOI1/LOI2) switched via internal SPDT FET; and differential open-collector IF outputs (IFOP/IFON) with external dc bias and 4:1 transformer for 50 Ω system interfacing.

It supports both 5 V (190 mA) and 3.3 V (125 mA) operation, includes jumper-selectable VGS0/VGS1 bias for mixer linearity tuning, configurable R9/R14 resistors for IF/LO current optimization, and PWDN logic control for sub-200 µA shutdown-enabling dynamic power management in time-division duplexed architectures.

Key Specifications

Availability

ADL5357-EVALZ is available at Aetrix Electronics and suitable for cellular base station receivers, transmit observation receivers, and radio link downconverters requiring stable component supply, pre-validated RF layout, and production-ready evaluation infrastructure.

Supply support for ADL5357-EVALZ 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 Wilmington, MA.

The ADL5357-EVALZ belongs to Analog Devices' RF & Microwave Evaluation Platform family, designed to accelerate development of high-linearity, wideband receiver subsystems for wireless infrastructure and test equipment applications.

FAQ

What is the primary function of the ADL5357-EVALZ?

The ADL5357-EVALZ is an evaluation board specifically built to characterize and prototype the ADL5357 500–1700 MHz balanced mixer IC. It provides complete signal routing-including RF balun input, dual LO switching, differential IF output with 4:1 transformer-and all necessary biasing, decoupling, and test points to validate performance per the ADL5357 datasheet under real-world conditions.

Does the ADL5357-EVALZ support both 3.3 V and 5 V operation?

Yes, the ADL5357-EVALZ supports both 3.3 V and 5 V operation for the ADL5357 IC. Jumper settings allow selection of supply voltage, and dedicated test points enable monitoring of IF and LO supply currents. Performance data-including 8.6 dB gain at 5 V and 8.8 dB at 3.3 V-is validated per the ADL5357 datasheet Rev. A specifications.

How is the LO switching functionality implemented on the ADL5357-EVALZ?

The ADL5357-EVALZ routes the LOSW control signal to the ADL5357's internal SPDT LO switch, allowing selection between LOI1 and LOI2 inputs. The board includes a dedicated header for applying 0 V or 3 V logic to LOSW, and both LO inputs are ac-coupled with 50 Ω terminations-enabling rapid TDD-mode LO path switching as specified in the ADL5357 functional description.

Can the ADL5357-EVALZ be used to optimize linearity and noise performance?

Yes, the ADL5357-EVALZ includes solder-jumper positions for VGS0 and VGS1 (mixer gate bias controls) and pads for R9 (LO bias) and R14 (IF bias) resistors. These allow systematic adjustment of ADL5357 operating points to trade off IIP3 (26.6 dBm typ), P1dB (10.2 dBm typ), and SSB noise figure (9.1 dB typ), as documented in Figures 39–43 of the ADL5357 datasheet.

Is the ADL5357-EVALZ compatible with standard RF test equipment?

Yes, the ADL5357-EVALZ features SMA connectors for RF input, LO inputs (LOI1/LOI2), and single-ended IF output (post-transformer), all impedance-matched to 50 Ω. It includes calibrated DC blocks, bias tees, and ground-signal-ground layouts-ensuring direct compatibility with vector network analyzers, spectrum analyzers, and signal generators during ADL5357 characterization.