# ADL5521 LNA Eval Board ## Description Reference-style ADL5521 low-noise amplifier evaluation board with 50-ohm SMA RF input/output, matching networks, bias circuitry, and decoupling based on the Analog Devices eval design. ## Project Details - **Owner:** pradyumnabang01 - **Created:** 6/4/2026 - **Last Updated:** 6/4/2026 - **Visibility:** Public ## Key Components ### J1 — [EMPCB.SMAFSTJ.B.HT](https://www.flux.ai/adrian95/empcbpsmafstjpbpht~g7.md) - Datasheet URL: https://cdn.taoglas.com/datasheets/EMPCB.SMAFSTJ.B.HT.pdf - Role: Connector - Manufacturer Name: Taoglas Limited - Mount: PCB - Role Details: RFIN 50-ohm SMA edge-launch connector for standard RF test equipment. - Manufacturer Part Number: EMPCB.SMAFSTJ.B.HT - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin SH1] - ~ [pin SH3] - ~ [pin SH2] - ~ [pin SH4] - ~ [pin 1] ### J2 — [EMPCB.SMAFSTJ.B.HT](https://www.flux.ai/adrian95/empcbpsmafstjpbpht~g7.md) - Mount: PCB - Manufacturer Name: Taoglas Limited - Datasheet URL: https://cdn.taoglas.com/datasheets/EMPCB.SMAFSTJ.B.HT.pdf - Manufacturer Part Number: EMPCB.SMAFSTJ.B.HT - Part Type: Connector - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: RFOUT 50-ohm SMA edge-launch connector for standard RF test equipment. **Pins:** - ~ [pin SH1] - ~ [pin SH3] - ~ [pin SH2] - ~ [pin SH4] - ~ [pin 1] ### U1 — [ADL5521ACPZ-R7](https://www.flux.ai/lcsc/adl5521acpz-r7~dkn2.md) - LCSC Part Number: C657768 - Manufacturer Name: ADI(亚德诺) - Role: Amplification - Role Details: ADL5521 RF low-noise amplifier, factory eval-board tuning centered at 1950 MHz. - Package or Case Code: LFCSP-8_L3.0-W3.0-P0.50-BL-EP-1 - Manufacturer Part Number: ADL5521ACPZ-R7 - Datasheet URL: https://cdn.flux.ai/project/chat/attachments/ADL5521-97265db3-f208-48be-9959-7682e5875742.pdf - JLCPCB Part Class: Extended Part **Pins:** - EP [pin 9] - NIC [pin 5] - NIC [pin 6] - NIC [pin 3] - NIC [pin 4] - RFIN [pin 2] - RFOUT [pin 7] - VBIAS [pin 1] - VPOS [pin 8] ### W1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: Connector - Role Details: 2-pin DC bias input header for VPOS and GND as shown on ADL5521 eval board. **Pins:** - P1 [pin 1] - P2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pradyumnabang01/adl5521-lna-eval-board~2m](https://www.flux.ai/pradyumnabang01/adl5521-lna-eval-board~2m).* --- *Generated from [https://www.flux.ai/pradyumnabang01/adl5521-lna-eval-board~2m](https://www.flux.ai/pradyumnabang01/adl5521-lna-eval-board~2m)*