In my previous design idea, a design for a simple GPS disciplined oscillator (GPSDO) 10 MHz reference was presented. A note at the end of that article describes the realization that a frequency ...

Introducing the NEW CNT-90XL Microwave Counter/Analyzer! Pendulum Instruments introduces the NEW CNT-90XL family of 27 to 60 GHz Microwave Counters with the world's highest performance! The new ...

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks. It also is a reasonably simple build. It can count up to 6.5 MHz which isn’t that much, but there’s a lot you can do ...