BFU520XR ISM 433 MHz LNA Design
An application note describing the design and evaluation of a 433 MHz ISM band Low Noise Amplifier (LNA) using the NXP BFU520XR wideband transistor.
Overview
This document provides a comprehensive guide for designing an ISM-band Low Noise Amplifier (LNA) using the NXP BFU520XR transistor. It details the simulation and implementation phases for a 433 MHz application, aiming for a noise figure under 1.2dB and gain around 17dB at 3.6V. The design focuses on low BOM cost and small PCB area, suitable for battery-powered automotive and industrial equipment. The note includes ADS simulation templates for DC biasing, stability analysis, and input/output matching, alongside performance measurements and evaluation board configurations.
Use Cases
- Battery-powered communication equipment
- Automotive RF applications
- Industrial wireless sensors
- ISM band signal processing
- 433 MHz receiver front-ends
Topics
Referenced Parts
BFU520
NXP Semiconductors
BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package
BFU520A
NXP Semiconductors
BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package
BFU520W
NXP Semiconductors
BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package
BFU520X
NXP Semiconductors
BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package
BFU520XR
NXP Semiconductors
BFU520XR Transistor SOT143XR NXP Semiconductors
BFU530
NXP Semiconductors
BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package
BFU530A
NXP Semiconductors
BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package
BFU530W
NXP Semiconductors
BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package
BFU530X
NXP Semiconductors
BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package
BFU530XR
NXP Semiconductors
BFU520XR, BFU530XR, BFU550XR OM7964, starter kit for transistors in SOT143XR package
BFU550
NXP Semiconductors
BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package
BFU550A
NXP Semiconductors
BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package
BFU550W
NXP Semiconductors
BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package
BFU550X
NXP Semiconductors
BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package
BFU550XR
NXP Semiconductors
BFU520XR, BFU530XR, BFU550XR OM7964, starter kit for transistors in SOT143XR package
BFU580G
NXP Semiconductors
BFU580G, BFU590G OM7966, starter kit for transistors in SOT223 package
BFU580Q
NXP Semiconductors
BFU580Q, BFU590Q OM7965, starter kit for transistors in SOT89 package
BFU590G
NXP Semiconductors
BFU580G, BFU590G OM7966, starter kit for transistors in SOT223 package
BFU590Q
NXP Semiconductors
BFU580Q, BFU590Q OM7965, starter kit for transistors in SOT89 package
SOT143XR
NXP
BFU520XR Transistor SOT143XR NXP Semiconductors
| LQW18A | Murata | 33 nH Inductor 0603 Murata LQW18A |
| LQW18A | Murata | 10 nH Inductor 0603 Murata LQW18A |
| BFU520 | NXP Semiconductors | BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package |
| BFU520A | NXP Semiconductors | BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package |
| BFU520W | NXP Semiconductors | BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package |
| BFU520X | NXP Semiconductors | BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package |
| BFU520XR | NXP Semiconductors | BFU520XR Transistor SOT143XR NXP Semiconductors |
| BFU530 | NXP Semiconductors | BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package |
| BFU530A | NXP Semiconductors | BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package |
| BFU530W | NXP Semiconductors | BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package |
| BFU530X | NXP Semiconductors | BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package |
| BFU530XR | NXP Semiconductors | BFU520XR, BFU530XR, BFU550XR OM7964, starter kit for transistors in SOT143XR package |
| BFU550 | NXP Semiconductors | BFU520, BFU530, BFU550 OM7962, starter kit for transistors in SOT143 package |
| BFU550A | NXP Semiconductors | BFU520A, BFU530A, BFU550A OM7961, starter kit for transistors in SOT23 package |
| BFU550W | NXP Semiconductors | BFU520W, BFU530W, BFU550W OM7960, starter kit for transistors in SOT323 package |
| BFU550X | NXP Semiconductors | BFU520X, BFU530X, BFU550X OM7963, starter kit for transistors in SOT143X package |
| BFU550XR | NXP Semiconductors | BFU520XR, BFU530XR, BFU550XR OM7964, starter kit for transistors in SOT143XR package |
| BFU580G | NXP Semiconductors | BFU580G, BFU590G OM7966, starter kit for transistors in SOT223 package |
| BFU580Q | NXP Semiconductors | BFU580Q, BFU590Q OM7965, starter kit for transistors in SOT89 package |
| BFU590G | NXP Semiconductors | BFU580G, BFU590G OM7966, starter kit for transistors in SOT223 package |
| BFU590Q | NXP Semiconductors | BFU580Q, BFU590Q OM7965, starter kit for transistors in SOT89 package |
| SOT143XR | NXP | BFU520XR Transistor SOT143XR NXP Semiconductors |