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Posts tagged microphone

Making best mic preamp

Making best mic preamp 3 TR using C644, C828 Making Preamp Mic 3 TR using C644, C828

TDA2009 Circuit BCL 18W

TDA2009 Circuit BCL 18W Bridge audio power circuit

Circuit Timer using LM555 part 10

Circuit Timer using LM555 3 part 10

Audio Mixer circuit diagram Using FET 2N3819

Audio Mixer circuit diagram Using FET 2N3819 This simple circuit mixes two or more channels into one channel  stereo into mono. Parts R1, R3 10K Pot R2, R4 100K 1/4 W R5 6.8K 1/4 W C1, C2, C3 0.1uF Q1 2N3819 FET MISC Wire, Shielded (Metal) Case, telephone Or Other Plug For Output

The four channel PMT controller board

Controller Circuit Board The four channel PMT controller board is a PIC microcontroller based device that communicates with a PC by USB as an HID device and with a PIC-based “hand unit” via PIC-to-PIC RS-232 protocol. These two external inputs (USB and RS-232) send strings to the PMT controller that: * Sets the four high […]

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