This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or sinusoidal encoded signals by providing an audio signal at the output.
This power source was found in a 1969’ Electronics World. The version is too sophisticated by the current it...
The circuit presented was taken from an old English publication in 1981, but it can be easily...
This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s....