This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s. Transistors are from the era, and equivalents can be used. The circuit consumption is 13 mA.
What this circuit does is change the logic level of a signal thus serving as a different logic...
This electronic flash circuit was found in the March 1961 Radio Electronics magazine. The circuit...
On this website we show how to calculate the components of this circuit for other frequencies. The basic...