Analog Devices Inc. ADL5910-EVALZ

Overview

ADL5910-EVALZ from Analog Devices is an evaluation board for the ADL5910 RF envelope threshold detector IC, supporting dc to 6 GHz operation with ≤45 dB detection range, ±1.0 dB input level accuracy from −30 dBm to +15 dBm at 100 MHz, and 12 ns propagation delay from RFIN to Q latch output. It enables rapid validation of RF pulse detection, PA protection, and receiver input safeguarding in wireless infrastructure.

For engineers reviewing the ADL5910-EVALZ datasheet, ADL5910-EVALZ setup guide, ADL5910-EVALZ application circuit, or ADL5910-EVALZ calibration procedure, this page delivers verified board-level specifications, functional configuration guidance, thermal layout notes, supply decoupling requirements, and interface pin mapping for immediate lab deployment and RF power threshold verification.

Technical Context

The ADL5910-EVALZ implements a complete reference design for the ADL5910 monolithic RF detector, featuring a dc-coupled RFIN path with external 82.5 Ω shunt resistor and 470 nF ac-coupling capacitor, on-board DECL bypass (4.02 Ω + 100 nF), dual VPOS decoupling (100 pF + 0.1 µF), and direct access to all 16 pins including differential Q/Q outputs, VIN− threshold input, VCAL calibration node, ENBL enable, and level-sensitive RST reset.

It supports full-temperature operation from −40°C to +105°C, operates from a single 3.3 V supply, maintains <±0.2 dB threshold variation across temperature at 10 dBm input, and delivers stable 3.5 mA quiescent current-enabling accurate characterization of the ADL5910's envelope latching behavior, overdrive response, and frequency-flatness compensation techniques.

Key Specifications

Availability

ADL5910-EVALZ is available at Aetrix Electronics and suitable for RF test equipment development, wireless base station protection circuit validation, 5G front-end design verification, and high-speed pulse-triggering system prototyping requiring stable component supply and documented evaluation platform support.

Supply support for ADL5910-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 RF integrated circuits, headquartered in Norwood, MA, with design centers and manufacturing facilities worldwide.

The ADL5910-EVALZ belongs to Analog Devices' RF & Microwave Evaluation Platform family, engineered specifically to accelerate time-to-test for envelope detectors, power monitors, and fast-response RF thresholding ICs used in cellular infrastructure, radar, and electronic warfare systems.

FAQ

What is the primary function of the ADL5910-EVALZ evaluation board?

The ADL5910-EVALZ is a fully assembled and tested evaluation platform for the ADL5910 RF envelope threshold detector IC. Its primary function is to enable rapid characterization of the ADL5910's 12 ns propagation delay, dc–6 GHz frequency response, VIN− programmable threshold setting, VCAL-based calibration, and differential Q/Q latching behavior under real-world RF signal conditions.

Does the ADL5910-EVALZ support dc-coupled RF input operation?

Yes, the ADL5910-EVALZ supports dc-coupled RF input operation through its RFIN path, which uses an external 82.5 Ω shunt resistor and 470 nF ac-coupling capacitor as specified in the ADL5910 datasheet. This configuration achieves broadband 50 Ω matching from tens of kHz up to 6 GHz, enabling low-frequency envelope detection critical for pulsed radar and burst-mode wireless applications using the ADL5910-EVALZ.

How is threshold calibration performed on the ADL5910-EVALZ?

Threshold calibration on the ADL5910-EVALZ is performed using the VCAL pin: first measure VCALOFF (voltage with no RF applied), then apply known RF input power and measure VCAL, compute the difference (VCAL − VCALOFF), and use that value as the required VIN− threshold voltage. The ADL5910-EVALZ provides direct access to both VCAL and VIN− pins, enabling precise two- or three-point calibration per Equation 6 in the ADL5910 datasheet Rev. 0.

What power supply requirements does the ADL5910-EVALZ have?

The ADL5910-EVALZ requires a single 3.3 V ±10% supply delivered to its VPOS pins (Pins 5 and 7), with mandatory decoupling: a 100 pF capacitor placed close to Pin 5 and a 0.1 µF capacitor also near Pin 5. The board draws 3.5 mA quiescent current and supports power-down mode (100 µA) when ENBL is pulled low - all verified in the ADL5910-EVALZ schematic and layout documentation.

Can the ADL5910-EVALZ be used for temperature-varying RF threshold testing?

Yes, the ADL5910-EVALZ supports full-temperature-range testing from −40°C to +105°C, matching the ADL5910 IC's operating specification. Its PCB layout includes thermal vias under the exposed pad and low-impedance grounding to maintain junction temperature stability. Measured threshold variation remains within ±0.2 dB at 10 dBm input across this range - a key capability confirmed in ADL5910-EVALZ thermal validation reports and used for automotive and base station environmental stress testing.