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Posts tagged 2N4403

Preamps Microphone Mixer circuit

Preamps Microphone Mixer circuit Choosing a good power amplifier is very easy but to choose the perfect microphone preamps is not easy, because the adjustment of sound pressure level (SPL) with volt level (dBu). Matching microphones and preamplifiers requires proper research and measurement, so to do this does not depend on your budget – but […]

PT2399 reverb circuit and layout

PT2399 reverb circuit and layout Part : PT2399 TR C945 PT2399 reverb circuit and layout simple reverb circuit, reverb circuit schematic, spring reverb schematic, pt2399 reverb circuit, spring reverb driver, digital reverb circuit, pt2399 delay schematic, audio echo circuit diagram

Powerful Headphone Amplifier Using OPA134

powerful headphone amplifier using OPA134. In addition to the IC OPA134, the circuit uses only few passive components and can easily generate a lot of sound from even the most inefficient headphones and there will be no compromise for the quality. OPA134 is low noise, low distortion operational amplifier from BURR-BROWN semiconductors and it is […]

consumer goods why arnt they repairable?

steve50 asked: many years ago as a tv man i could repair many tv’s in customers houses there were known brands and real wood cabinets some even came with circuit diagrams in the box. now they are all made in foreign lands no circuits and if a main part has gone its scrap time even […]

MAX2242 2.4GHz to 2.5GHz Linear Power Amplifier 2.4GHz PA Delivers +23 dBm Linear Output Power

The MAX2242 PA consists of a three-stage PA, power detector, and power management circuitry. The power detector provides over 20dB of dynamic range with ±0.8dB accuracy at the highest output power level. An accurate automatic level control (ALC) function can be easily implemented using this detector circuit. The PA also features an external bias control […]

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