ADL8124-EVALZ

ADL8124-EVALZ is an evaluation board for ADL8124 1GHz to 20GHz, low noise amplifier with integrated temperature sensor and enable function. It is a 4-layer PCB fabricated from 10mil thick, Rogers 4350B and Isola 370HR, copper clad, forming a nominal thickness of 62mils. The RFIN and RFOUT ports on the ADL8124-EVALZ are populated with 2.92mm, female coaxial connectors, and the corresponding RF traces have a 50 ohm characteristic impedance. The ADL8124-EVALZ is populated with components suitable for use over the entire -55 to +125°C operating temperature range of the ADL8124. To calibrate board trace losses, a through calibration path is provided between the J1 and J2 connectors. J1 and J2 must be populated with RF connectors to use the through calibration path. Access the ADL8124-EVALZ ground path and the VDD and VENBL pins through the SMT test point connectors (GND, VDD, and VENBL). A supplementary test point for VRBIAS is included for simple access on the RBIAS pin.

• Power-supply decoupling on ADL8124-EVALZ matches the setup used for device test and qualification
• Two 3.3V, 200mA power supplies are required to provide the bias to ADL8124 when using ADL8124-EVALZ