Wideband Active Antenna amplifier circuits on SW/MW/FM

Wide band Active Antenna amplifier in SW_MW_FM bands

These are the wideband active antenna circuits for the SW/MW/FM radio receiver. We can try to test it with many brands of radios. Why should we use this circuit? In normal, we short-wave radio receiver. We need to use a long antenna. But with the helping of this circuit, we can use the only 18-inch … Read more

4 Simple Audio Mixer Circuits diagram using FET and ICs

Simple Audio Mixer Circuit using 2N3819 FET

This circuit is a simple mixer circuit. It can mix two signal channels and one channel is output. Using a codec circuit, Convert stereo audio to mono audio time. Simple FET Audio Mixer Circuit In-circuit a FET number 2N3819 is main, it is better than common transistors that a high impedance input and high gain … Read more

2 Megaphone circuit diagram you do not miss

Pre-mic-audio-amplifier-with-ic-LM386

This is a megaphone circuit diagram using a signal sound amplifier from a condenser microphone to a higher signal at a small-sized loudspeaker. There are two circuit diagrams to create. See below Simple LM386 megaphone circuit It composes the importance is a microphone preamplifier (pre mic), use transistor just one enlarge sound signal gives the … Read more