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Evaluation Board User Guide for the ADRF5700 5-Bit Digital Attenuator

User guide for the ADRF5700-EVALZ, evaluating the ADRF5700 5-bit digital attenuator (100 MHz to 22 GHz) with 2 dB steps, featuring schematics, PCB layout, and BOM.

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Overview

This document provides comprehensive information for evaluating the ADRF5700, a silicon 5-bit digital attenuator operating from 100 MHz to 22 GHz with a 2 dB LSB. It describes the ADRF5700-EVALZ evaluation board hardware, including its 4-layer Rogers 4003 PCB stack-up and RF interface details using 2.92 mm connectors. The guide details power supply requirements (+3.3 V and -3.3 V), control input logic for parallel mode (LE, D2-D6), and step-by-step test procedures for S-parameter and intercept point measurements. It includes a complete circuit schematic, assembly artwork, and a full bill of materials.

Use Cases

  • Performance evaluation of the ADRF5700 digital attenuator
  • RF signal chain prototyping from 100 MHz to 22 GHz
  • Characterization of 5-bit attenuation states in microwave systems
  • Reference design for high-frequency PCB layout using Rogers 4003

Topics

Analog Devices
ADRF5700
ADRF5700-EVALZ
digital attenuator
2.92 mm connectors
RF evaluation board
silicon attenuator
LSB
schematic
bill of materials

Referenced Parts

GCM1555C1H101JA16D

Murata

2 C1, C2 Capacitors, 100 pF, 50 V, C0402 package Murata GCM1555C1H101JA16D

RC0402JR-070RL

Yageo

6 R1, R2, R3, R4, R5, R6 Resistor, 0 Ω, 0402 package Yageo RC0402JR-070RL

ADRF5700BCCZN

Analog Devices

Silicon, 2 dB LSB, 5-bit digital attenuator, 100 MHz to 22 GHz

ADRF5700

Analog Devices

The ADRF5700 is a 100 MHz to 22 GHz, 2 dB LSB, 5-bit digital attenuator

ADRF5700-EVALZ

Analog Devices

1 PCB ADRF5700-EVALZ Analog Devices BR-065294

TP-104-01-00

Components Corporation

Through hole, hold mount test points

HK-LR-SR2(12

Hirose Electric

Edge mount 2.92 mm connectors

BR-065294

Analog Devices

1 PCB ADRF5700-EVALZ Analog Devices BR-065294

Evaluation Board User Guide for the ADRF5700 5-Bit Digital Attenuator | Design Resources