RadioScape has used its RF software to create what it claims is the first, software-controlled, single chip RF front end that can handle six frequency bands - band III and L-band for digital audio broadcasting, medium wave, long wave and short wave for AM and digital radio mondiale and band II for FM.
Radiocommunication underground has always been a difficult and specialised branch of technology. Mines and underground railways where conditions can be dark and cramped have always been in particular need of reliable contact with the surface
Vishay Intertechnology has extended its range of ceramic disc capacitors with two series of components designed for RFI/EMI suppression. Both series comply with EN132400/IEC 60384-14 2nd edition, ENEC-VDE, UL1414 and CSA requirements. The VY1 and VY2 capacitors can be used in both line bypass and across-the-line configurations, to suppress both common-mode and differential-mod interference.
This follow-up perspective on last issue's article that looked at the realities of outsourcing, takes the author further into the disadvantages and limited advantages of a system that at face value appears to have great attractions