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160 Meter preamplifier
Using circuits that he built to improve 160 meter reception, Gary Nichols, KD9SV
post 19 Feb 2024
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A simple 144 and 432 Mhz preamplifier
The schematic and the suggestion for this good and easy to build preamplifier good for the EME
Audio Circuits Preamplifiers
Audio Schematics, Preamplifiers Circuits, Electronics Tutorials & Circuits, Discover Engineering Hobby Projects
BFP196P-BJT
New extremely hi-dynamic BGF135a preamplifier
Broadband Receive Loop
Larry has provided everything you need to know to easily put together one of these outstanding broadband RF preamps
Designing Op Amp Audio PreAmplifiers
Operational amplifiers are simple to use, inexpensive and offer a very large amount of gain
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The schematic and the suggestion for this good and easy to build preamplifier good for the EME
Audio Schematics, Preamplifiers Circuits, Electronics Tutorials & Circuits, Discover Engineering Hobby Projects
New extremely hi-dynamic BGF135a preamplifier
Larry has provided everything you need to know to easily put together one of these outstanding broadband RF preamps
Operational amplifiers are simple to use, inexpensive and offer a very large amount of gain
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane
Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays
Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening factor