RF low noise and high gain Active Antenna 1st stage LNA for BFP740F for SDARS Receiver

Open online SPICE simulator circuit link: rf_BFP740F_SDARS.tsc

Very low noise and high gain Active Antenna 1st stage LNA for SDARS Receiver BFP740F

- Input matching and DC blocking (C1)
- RF decoupling (C2)
- RF decoupling (C3)
- Output matching and stability improvement (C4)
- Output matching and DC blocking (C5)
- DC biasing (R1)
- Base DC biasing (R2)
- Low-frequency stability improvement (R3)
- Output matching and stability improvement (R4)
- Input matching (L1)
- Output matching (L2)

The BFP740F is a Silicon Germanium Carbon (SiGe:C) NPN Heterojunction wideband Bipolar
RF Transistor (HBT)

This transistor provides high gain (18.19 dB@2320 MHz) using Infineon Designer

Target application:
- SDARS active antenna LNA