After reviewing the pros and cons of various approaches, the decision was made to go with a beat frequency oscillator (BFO) circuit. It’s not the greatest design, it might even be the worst ...

After reviewing the pros and cons of various approaches, the decision was made to go with a beat frequency oscillator (BFO) circuit. It’s not the greatest design, it might even be the worst ...

US firm OEwaves recently introduced an oscillator design based on the ... the spectral purity of the beat frequency is extremely high. Because optically transparent crystals such as calcium ...