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What is this symbol?

I couldn't decide whether it's a solder bridge or not.

schematic of a Low noise diode laser current controller

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That's a coaxial cable. The "broken" section in the middle symbolizes "very long".

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Given that it feeds the laser diode and must not be a short circuit the symbol seems to represent a coaxial cable connection. It looks a little childish because the perspective is wrong at one end or the other.

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  • \$\begingroup\$ it is not supposed to be a representation of a 3D object view ... because the RF connector symbols are used, it is unclear if the coax cable is soldered into the circuit, or if connectors are used \$\endgroup\$
    – jsotola
    May 8 '21 at 0:03

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