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Posts tagged audio amplifier circuit

15W Audio Amplifier Circuit

Audio Amplifier Circuit 15 Watts Class B Images for 15W Audio Amplifier Circuit 15W audio Amplifier (using 3 transistors) Small class b audio amplifier circuit diagram 15W Stereo Class-D Audio Power Amplifier Can Run From +15 V LCD Backlight Supply speakers in a single-ended configuration or a mono. 15W Audio Amplifier Circuit using TR TIP31, […]

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Make power amp used LM1875 30w – Electronics Schematic Diagram

Make power amp used LM1875 30w – Electronics Schematic Diagram LM1875 is great enough to give you good audio performance. This power IC will amplify the audio signal up to 30w output power. part list R1 _____________ 1K R2 _____________ 1M R3 _____________ 22K R4 _____________ 10K R5 _____________ 180K R6 _____________ 1R IC1 ____________ […]

The Audio preamplifier with dual recording

The Audio preamplifier with dual recording using IC BA3420AL. The Audio preamplifier with dual recording using IC BA3420AL. It has an internal switch for switching between playback head, mic and radio input modes, and also includes a bias oscillator and regulated voltage source for radio use. All control is possible with one external switch, allowing […]

Practical Application – Intercom Circuit

The simple switch shown so far can be used in simple audio applications. Here is a simple “all-master” intercom circuit that steers an audio amplifier towards one of several distant receivers. All units shown are identical and are connected to the same multipair cable. One battery powers all units. You press the button corresponding to […]

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