Wideband Active Rod Antenna

  
A J309 Siliconix FET feeds a 2N5109 in a wideband RF amplifier configuration. A relay is used to bypass the amp
Wideband Active Rod Antenna - schematic

lifier in the transmit mode (if desired). A 2-m 5/e-wave whip is used as the active antenna element. The amplifier is fed dc via the coax cable, which makes the use of only a single coax lead for both signal and power. U1 is a surge arrester for electrostatic discharge protection.




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