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- Order number: EFD1000056
HF- AF- VOX - as module
Fields of application:
With the help of the accompanying circuit proposal, the following additional possibilities are available:
- Monitoring the operating voltage
- Closed circuit for safety measures
- Control by light using a LDR
For insensitive microphones or too small AF sources using a low-frequency amplifier like the ED 14 is very helpful.
"Contact": opens = relay armature switches (relay coil is de-energized)
"LDR": dark = relay armature picks
bright = relay armature drops.
With the trimmer the sensitivity is set.