The TA31275FN is an RF/IF detector integrated circuit (IC) for AM/FM radio, and the TA31273FN is an RF/IF detector IC for AM radio only. Both low-cost monolithic devices incorporate an RF amplifier, a ...

Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are slightly more complicated. Wrapping your head around phase detectors, ratio detectors ...

There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in the right order an… ...

The antenna fm booster circuit comprises a common-emitter tuned RF preamplifier wired around VHF/UHF transistor 2SC2570 (C2570). Metal detector DIY metal detector circuits that are very easy and cheap ...