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Posts tagged 攪拌機

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

Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

25W Audio Amplifier Circuit

25W Audio Amplifier Circuit 25W Audio Amplifier Circuit using STK4142 II

Touch switch circuit using Relay

ON off Touch switch circuit using 12v Relay R1 ……………. 220K R2 ……………. 47K R3 ……………. 4,7K R4 ……………. 10 M FET …………… 2N3819 TR1 …………… FCS9012 TR2 …………… FCS9013 Relay …………. DC – 12V

Tone Control circuit diagrams using IC TL082

Tone Control circuit diagrams and using IC TL082 I’d like to ask for some good schematic for active tone control, for treble and bass (cca+-20dB) with loudness compensation, I have saw several designs, but all of these designs uses elements that I want to avoid.

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