BGA3018 - 40 MHz to 2600 MHz wideband amplifier application
Application note for the NXP BGA3018 wideband CATV MMIC amplifier, covering schematic, layout, and performance data from 40 MHz to 2600 MHz with 75 Ω impedance.
Overview
This application note (AN11296) details the schematic and layout requirements for using the NXP BGA3018 as a wideband amplifier between 40 MHz and 2600 MHz. The BGA3018 is a BiCMOS MMIC designed for CATV applications, packaged in a 3-pin SOT89. The document provides a complete evaluation board design, including a bill of materials featuring Murata and Yageo components, PCB layout strategies for optimal ground inductance, and 75 Ω input/output matching. It includes extensive measurement data at 5V and 8V supply voltages, covering gain, return loss, noise figure, output P1dB, IP2, IP3, and distortion metrics like CTB and CSO.
Use Cases
- CATV system distribution
- Drop amplifier design
- Wideband RF signal amplification
- Terrestrial television reception
- 75 Ω RF circuit evaluation
Topics
Referenced Parts
| 90121-0763 | Molex | J3 Header 3 1 Molex 90121-0763 |
| BLM15HD182SN1D | Murata | L2 Choke 1 Murata BLM15HD182SN1D |
| GRM1555C1H101JZ01D | Murata | C5 100 pF 1 Murata GRM1555C1H101JZ01D |
| GRM1555C1H102JA01D | Murata | C2 1nF 1 Murata GRM1555C1H102JA01D |
| GRM155R71E103KA01D | Murata | C1, C3, C4 10 nF 3 Murata GRM155R71E103KA01D |
| LQG15HS1N5S02D | Murata | L3 1.5 nH 1 Murata LQG15HS1N5S02D |
| LQG15HS1N8S02D | Murata | L1 1.8 nH 1 Murata LQG15HS1N8S02D |
| LQG15HS3N3S02D | Murata | L5 3.3 nH 1 Murata LQG15HS3N3S02D |
| LQH31HNR88K03L | Murata | L4 880nH 1 Murata LQH31HNR88K03L |
| BGA3018 | NXP | U1 BGA3018 1 NXP BGA3018 |
| RC0402FR-07560RL | Yageo | R1 560 Ω 1 Yageo RC0402FR-07560RL |
| RC0402JR-075R6L | Yageo | R2 5.6 Ohm 1 Yageo RC0402JR-075R6L |
| BLM15HD182SN1D | Murata | L2 Choke 1 Murata BLM15HD182SN1D Digikey 490-5196-1-ND |
| GRM1555C1H101JZ01D | Murata | C5 100 pF 1 Murata GRM1555C1H101JZ01D Digikey 490-3458-1-ND |
| GRM1555C1H102JA01D | Murata | C2 1nF 1 Murata GRM1555C1H102JA01D Digikey 490-3244-1-ND |
| GRM155R71E103KA01D | Murata | C1, C3, C4 10 nF 3 Murata GRM155R71E103KA01D Digikey 490-1312-1-ND |
| LQG15HS1N5S02D | Murata | L3 1.5 nH 1 Murata LQG15HS1N5S02D Digikey 490-2612-1-ND |
| LQG15HS1N8S02D | Murata | L1 1.8 nH 1 Murata LQG15HS1N8S02D Digikey 490-2613-1-ND |
| LQG15HS3N3S02D | Murata | L5 3.3 nH 1 Murata LQG15HS3N3S02D Digikey 490-2616-1-ND |
| LQH31HNR88K03L | Murata | L4 880nH 1 Murata LQH31HNR88K03L Digikey LQH31HNR88K03L- |
| BGA3018 | NXP | U1 BGA3018 1 NXP BGA3018 NXP BGA3018 |
| RC0402FR-07560RL | Yageo | R1 560 Ω 1 Yageo RC0402FR-07560RL Digikey 311-560LRCT-ND |
| RC0402JR-075R6L | Yageo | R2 5.6 Ohm 1 Yageo RC0402JR-075R6L Digikey 311-5.6JRDKR-ND |
| 861V509ER6 | Bomar | J1, J2 75 Ω F- connector 2 Bomar 861V509ER6 |