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50 MHz preamp Gain 26dB with the BFG135
Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
post 31 Jan 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
Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m
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 facto