Dielectric Constant of Some Materials (IP042E)

Details: Written by: Newton C. Braga

Circuit Bench

Radiolocation antenna (CB6531E)
This antenna for the frequencies 146 or 440 MHz was found in a magazine 73 for Amateur Radio of...
CMOS Driver RS232 (CB6518E)
We found this circuit in an 80's EDN. The circuit makes use of a MAX680, being given a table with...
Powerful Fire Siren (CB17503E)
This circuit was found in a 1986 publication. However, it can still be easily assembled, as the...