YO4HFU
ATF54143 - 144MHZ LOW NOISE PREAMPLIFIER

 

 


ATF54143 Schematic(PA3BIY)
PCB top
PCB components
LM317 power supply (replace 7805 regulator)

OUTPUT BAND PASS FILTER (optional)
Schematic
Simulation
PCB top
PCB bottom
PCB components

AUDIO SSB SAMPLE (only for fun)
ATF54143 biased by local lightnings. During this period, the voltage stabiliser LM317 was found fault.
The preamplifier was supplied by lightning sparks.
UX0FF CQ, QRB=50Km MP3 Audio File<

 
Home

[email protected]