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Impedance Transformation with Quarter-Wave Lines
The input impedance of a line an odd multiple of 1/4 long is
post 13 Sep 2024
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Calculator Seven Element Yagi
Information of a particular beam antenna, in this case a seven element Yagi
Calculo de antenas dipolo
calculate the length of your dipole, then you can enter your frequency of interest and see the necessary lengths for dipoles and inverted V
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Find the calculation you want, and enter the various parameters required then click the Calculate
Information of a particular beam antenna, in this case a seven element Yagi
calculate the length of your dipole, then you can enter your frequency of interest and see the necessary lengths for dipoles and inverted V
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