This 80's circuit can be implemented with modern equivalent FETs with lower on resistance. The attenuation is 80 dB at 100MHz.
This interesting source, obtained in a 2001 catalog, can vary the output voltage between -16 and...
June 2017 - NXP's new 4 Mbit capacity NXH5194 memories are available from Mouser Electronics...
This circuit is from Popular Electronics of the 90's. It makes use of NO and NC sensors. The relay...