This circuit was found in the October 1994 issue of Electronics Now magazine. The 40446 IC is a PLL that is not very common today. The circuit has two types of effects.
This circuit can be used with 3 receivers and is intended for low frequencies (medium wave range). We...
This electronic voltmeter circuit was found in a documentation from the 50's. The sensitivity is...
This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The...