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LM555 Timer Circuits part 40

Cycling Timer Circuit using LM555 part 40

sound equipment

sound equipment sound equipment Mixer 4 canals circuit using IC CA3048 sound equipment R1 500 k Ω      C1 0.47 µF      U1 CA3048 R2 820 Ω         C2 50 µF         U2 CA3048 R3 100 Ω         C3 0.008 µF    U3 CA3048 R4 8.2 k Ω       C4 0.008 µF    U4 CA3048 […]

lm386 projects

lm386 projects lm386 audio amplifier circuit LM386 Circuits and Projects Collection Scheme Audio Power Amplifier

Electronic circuit diagram Low power high frequency deflection amplifier

Electronic circuit diagram Low power high frequency deflection amplifier

Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

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