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RF Power Supply and Matching Box
4. Functions
35
4-1-6.
Caution when using the external control terminal (INTERFACE)
If connecting an inductive load (relay or coil) to the output of the external control terminal, insert a
diode or use a relay with a surge absorbing element so that counter-electromotive force is not generated.
Figure 4-4. Overvoltage protection circuit for transistor/output section
Counter EMF prevention
diode
+12V