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Vehicle radio aerial suitable for VHF - has half wavelength rod followed by two transistors and impedance in parallel with resistance
Vehicle radio aerial suitable for VHF - has half wavelength rod followed by two transistors and impedance in parallel with resistance
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机译:适用于甚高频的车载无线电天线-具有半波长棒,后跟两个晶体管,阻抗与电阻并联
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摘要
The aerial for a vehicle using VHF radio equipment as well as other wavebands, has a half wavelength rod section connected to the base connection of a field effect transistor. This is followed by a second transistor forming an emitter follower. Connected to its junction with its operating resistance is a choke connected at the other end to the output terminal. In parallel with this choke is a resistance of 150 ohms. The whole is connected to an amplifier having a high impedence input.
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