Analog Devices Inc. EVAL-ADF7020-1DBZ5

Overview

EVAL-ADF7020-1DBZ5 from Analog Devices is an evaluation board for the ADF7020-1 low-power FSK/ASK transceiver IC, supporting 135–650 MHz operation with programmable output power (−20 dBm to +13 dBm), 1 kbps to 200 kbps data rates, and integrated fractional-N PLL, on-chip ADC, and temperature sensor. It enables rapid prototyping of wireless metering, remote control, and home automation systems.

For engineers reviewing the EVAL-ADF7020-1DBZ5 datasheet, EVAL-ADF7020-1DBZ5 pinout, EVAL-ADF7020-1DBZ5 application, or EVAL-ADF7020-1DBZ5 equivalent, this board provides full access to the ADF7020-1's serial interface (SCLK/SDATA/SLE/SREAD), RF I/O paths (RFIN/RFOUT), regulator controls (CREGx), and analog monitoring points (ADCIN, TEMP sensor readback) - all configured per Analog Devices' reference design for FCC/ETSI-compliant RF validation.

Technical Context

The EVAL-ADF7020-1DBZ5 implements the complete ADF7020-1 transceiver signal chain: low-IF receiver (200 kHz IF), VCO-based transmitter with external L1/L2 inductors, integrated TRx switch, and digital baseband interface. It supports both FSK (0.15–200 kbps) and ASK (0.15–64 kbps) modulation with automatic frequency control (AFC), RSSI, and Gaussian filtering.

Board-level features include matched 50 Ω RF front-end paths for RFIN and RFOUT, calibrated crystal oscillator circuit (3.625–24 MHz), decoupling networks per ADF7020-1 pin requirements (e.g., 100 nF + 5.1 pF on CREG pins), and test points for all critical analog/digital signals including VCOIN, CPOUT, MUXOUT, and INT/LOCK.

Key Specifications

Availability

EVAL-ADF7020-1DBZ5 is available at Aetrix Electronics and suitable for wireless metering, remote security systems, and home automation applications requiring stable component supply, regulatory pre-compliance validation, and rapid RF subsystem bring-up.

Supply support for EVAL-ADF7020-1DBZ5 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 ICs, serving industrial, communications, automotive, and healthcare markets with precision signal processing solutions.

The EVAL-ADF7020-1DBZ5 belongs to Analog Devices' RF transceiver evaluation platform family, designed specifically to accelerate development of sub-GHz ISM band wireless links using the ADF7020-1's integrated PLL, low-IF architecture, and programmable modulation engine.

FAQ

What is the primary function of the EVAL-ADF7020-1DBZ5?

The EVAL-ADF7020-1DBZ5 is a fully assembled evaluation board for the ADF7020-1 transceiver IC. It provides hardware access to all critical RF, analog, and digital interfaces - including RFIN/RFOUT, SCLK/SDATA/SLE/SREAD, VCOIN/CPOUT, and ADCIN - enabling functional verification, sensitivity testing, and regulatory pre-scan of FSK/ASK wireless links in the 135–650 MHz band. The board implements Analog Devices' recommended layout and matching per the ADF7020-1 datasheet.

Does the EVAL-ADF7020-1DBZ5 support both FSK and ASK modulation out-of-the-box?

Yes, the EVAL-ADF7020-1DBZ5 supports both FSK and ASK modulation modes as implemented by the mounted ADF7020-1 IC. Its firmware-agnostic hardware design allows configuration via the 3-wire serial interface to select modulation type, data rate (0.15–200 kbps for FSK; 0.15–64 kbps for ASK), frequency deviation, and Gaussian filter BT = 0.5 - all verified using the EVAL-ADF7020-1-DBX reference test setup described in the ADF7020-1 datasheet.

What RF performance metrics are validated on the EVAL-ADF7020-1DBZ5?

The EVAL-ADF7020-1DBZ5 validates key ADF7020-1 RF specifications including receiver sensitivity (−119.2 dBm @ 1 kbps FSK, 315 MHz), transmit output power (−20 dBm to +13 dBm), phase noise (−89 dBc/Hz at 315 MHz), adjacent channel rejection (27 dB), and AFC pull-in range (±50 kHz). These are confirmed using the EVAL-ADF7020-1-DBX test methodology with PN9 data and calibrated spectrum analyzers per datasheet Table 1.

Can the EVAL-ADF7020-1DBZ5 be used for FCC/ETSI pre-compliance testing?

Yes, the EVAL-ADF7020-1DBZ5 is designed to meet RF layout best practices outlined in the ADF7020-1 datasheet - including controlled-impedance RF traces, optimized ground plane, proper decoupling (100 nF + 5.1 pF on CREG pins), and matched 50 Ω antenna ports. When used with appropriate external filters and conducted emission measurement setups, it supports pre-compliance validation per FCC Part 15.247 and ETSI EN 300 220 standards.

What external components are required to operate the EVAL-ADF7020-1DBZ5?

To operate the EVAL-ADF7020-1DBZ5, you need: a 3.625–24 MHz crystal or TCXO for OSC1/OSC2, external VCO inductors L1/L2 (value selected per target frequency per datasheet Table 5), a 50 Ω RF load or antenna on RFOUT, and a 50 Ω signal source on RFIN for receive testing. A microcontroller or pattern generator is required to drive the 3-wire serial interface (SCLK/SDATA/SLE) and DATA I/O lines per the timing diagrams in Figures 2–5.