The compact, low-cost condenser mic audio amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts. It can be used as part of intercoms, walkie-talkies, low-power transmitters, ...

The 21st-century has been good to the player who wants to record their electric guitar. For a while now, we have had the option of going direct, sending the signal through a guitar audio interface.

Fig. 1: Diagrams from Wente’s 1916 patent application show the condenser microphone in cutaway view. Diaphragm (#6), which is grounded, is stretched only 5/10000th of an inch from the backplate (#7), ...

As the Internet has turned so many of us into content creators, we’ve seen the quality of webcams and microphones steadily increase to the point at which even a fairly modestly-equipped YouTuber now ...

Maxim Integrated Products introduces the MAX9814 low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The integrated AGC circuitry allows the ...

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Pete (AC7ZL) wrote in to tell us about his latest project: building a flat response microphone and channel amplifier. You may remember his previous project: building a crystal radio from modern junk.

Audio-Technica has introduced a new condenser microphone, the AT2020USB-XP, designed for content creators, streamers, and musicians. It features a cardioid directional pickup pattern to focus on the ...