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Posts tagged pass filter

op amp low pass filter using TR 6922

op amp low pass filter using TR 6922 op amp low pass filter using TR 6922

DC power converter

DC power converter 12V DC to 120V DC The most obvious approach would be to make a DC power converter 12V DC to 120V DC, output at 50 or 60 Hz, but this requires a rather large and heavy transformer. So it’s better to use a high frequency, at least 25kHz, so a very small […]

Digital Control

Digital Control Circuit for Switching using 4001B, 4N35 The continuous controller enclosed in the dashed square can be replaced by a digital controller shown below that performs same control task as the continuous controller. The basic difference between these controllers is that the digital system operates on discrete signals or samples of the sensed signal […]

Audio Activated Switch circuit

Audio Activated Switch circuit using LMC7215, ZXM61N02F

Broadband peak detector circuit

Broadband peak detector circuit using LM393

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