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Simple RF- Bridge: Design and Applications

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ANTENTOP- 01- 2020, # 024

Simple RF- Bridge: Design and Applications

 

Simple RF- Bridge: Design and Applications

 

 

By: Igor Grigorov, VA3ZNW

 

 

Lots measurements in antenna practice may be made with simple enough home- made test equipment. One of piece of the equipment is an RF- Bridge. Figure 1 shows schematic of the simple RF- Bridge.It is not a secret schematic, it is possible find similar schematic in lots of amateurís publications, I just want tell about my design and my work with the device. The RF- Bridge was made in the cabinet from two sided PCB. It was made by Manhattan Style.

Parts were soldered directly to RF connectors, to POT and meter. Leads of the resistors, diode and capacitors were kept as short as possible. With the design and used parts the RF bridge works good from 1.8 to 30 MHz, satisfactory on 50- MHz and almost satisfactory on 145- MHz.

 

 

 

Figure 1 Simple RF-Bridge

 

 

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Last Updated:

April 26, 2020 12:52

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