W 4

W 4

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W 4
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PCB Layout Design Amplifier, Tone Control, etc. - Electronic Circuit

Sharing PCB Power Amplifier, Tone Control Speaker Protector, etc. You can see all about PCB Design of all around the world here:

joule thief 220v AC mini inverter

Membuat Joule thief mini inverter to ac light super hemat skema circuit

7 element 144MHz LFA-Q Super-Gainer Quad Style Yagi

Description If it is GAIN you want from a small boom, this is the antenna for you! Massive from this antenna! Rear mounted 5 element version pictured Another impressive design from 'The Quad has

Some Amateur Radio stations use high power 1500 Watt transmitters to bounce signals off the moon reflecting back to earth however others make worldwide contacts using low power 5 Watt transmitters to test their operating skills in long distance communications. Radio is a diverse hobby with many interesting facets -- CW, SSB, digital modes, satellites, etc. My interests are in building HF, VHF and UHF antennas with operation in digital modes under 20 Watts. I live in a deed restricted…

Some Amateur Radio stations use high power 1500 Watt transmitters to bounce signals off the moon reflecting back to earth however others make worldwide contacts using low power 5 Watt transmitters to test their operating skills in long distance communications. Radio is a diverse hobby with many interesting facets -- CW, SSB, digital modes, satellites, etc. My interests are in building HF, VHF and UHF antennas with operation in digital modes under 20 Watts. I live in a deed restricted…

144MHz_6ele_yagi-choke.jpg (1400×1050)

I have used an unknown ferrite with 4 turns of as a common mode choke. I first tried a small air wound choke, but it was not very effective.