Electronics and Technical resources from vu3dxr
FM Bandstop Filter for RTL SDR The given FM band stop filter is nothing more than a simple Band stop filter for the frequency range of 88-108Mhz. FM Broadcast transmitters transmit at high power and can cause overloading and intermodulation problems on simple receivers like RTL-SDR due to its wide open front end. The said …
Simple zener diode tester Circuit – FM Bandstop Filter for RTL SDR
Making printed circuit boards There are many ways to produce your own printed circuit boards. Small boards for DC switching circuits are easy to make because neither the size nor the shape of the copper foil traces is critical. Boards containing many digital ICs are considerably harder to lay out and etch. There are also …
Colombo International Radio Tamil service – Inaugural day transmissions Frequency – 873khz Time – 7.00 am to 8.00 am