sorry to bother you, but the manual for the "4 way multicoupler" should read:
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[...] Receiver protection can be enabled by shorting JP-1. This will limit the output signal to about +6
dBm, but some distortion may occur just below that. U2 is a low noise, low drop out 10V regulator.
Power to the circuit is provided at J2 and is reverse polarity protected by D4. The internal bias-tee can
be enabled by shorting JP-2 [...]
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in the original text JP-1 and JP-2 are switched....
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_???????? Elio.
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