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Homebrew Satellite Antenna
The Arrow Antenna is a design classic: it combines light weight, compact design and functionality in a single package for operating FM dual band satellites such as AO-27, UO-14, SO-41 and SO-50
post 08 Oct 2024
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Alimentatore Switching regolabile da 5.1 a 15 Volt con 4 Ampere
Il circuito integrato L296 è alloggiato in un housing plastico di tipo MULTIWATT a 15 pin
A Portable Low Frequency Antenna Analyzer
For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer
Alimentatore LowCost Switching 13V 15A
Costruito recuperando i pezzi da alimentatori da PC tipo ATX di circa 350 - 400W
Amateur Radio Pages Projects
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Il circuito integrato L296 è alloggiato in un housing plastico di tipo MULTIWATT a 15 pin
For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer
Costruito recuperando i pezzi da alimentatori da PC tipo ATX di circa 350 - 400W
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
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
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free