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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 […]

Low pass filter – Subwoofer Bass treble electronic circuit using LM1035

Low pass filter – Subwoofer Bass treble electronic circuit using LM1035 Parts R1 = 39 Kohm R2 = 39 Kohm R3 = 47 Kohm R4 = 10 Ohm R5 = 22 Kohm R6 = 4,7 Kohm R7 = 22 Kohm R8 = 4,7 Kohm R9 = 10 Ohm R10 = 220 Ohm C1 = 39 […]

Audio Amplifier Circuit using STK459

Audio Amplifier Circuit using STK459

Schema and layout Best power amplifier 2SA1943, 2SC500, C945, TIP42C, TIP41C

Schema and layout Best power amplifier for live sound Power amplifier sound system, sound barrier power amplifier, Best powered subwoofer car, best power amplifier for home theater, best powered Subwoofer, infinity powered subwoofer – Transistor final 4 set Part : 2SA1943, 2SC500, C945, TIP42C, TIP41C, Transformator 2A, 5A, 10A, 20A, 30A, 40A, 60A – 100A […]

How to connect pc to tv

Guide connect pc to tv Guide to connect PC to TV via Scart socket. In particular, for use with the arcade game emulator Advance Mame There is not much difference between TV and the arcade monitor. TV can be considered as an arcade monitor + TV tuner + audio amplifier in a plastic box. To […]

wireless Circuit Using 555

wireless Circuit Using 555 Transmitter’s range is 100 m in the distance using the 9V power supply and matching the antenna. Circuit diagram is built by IC timer 555 R1 : 1K C1 : 0,1 C2 : 10

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