For our directional couplers we usually deliver passive, when required for your special requirements, however, also active detectors with input levels in the area of 1 to 2 watts and source levels of approx. 2 to 10 volts in a defined load.

The detectors own in the entrance a overvoltage protection , in most cases also a depth-pass-filter 5-th order, as well as an earthed incomming transformer for the personal protection.

The input electric impedance amounts to 50 ohms with an adaptation better than -30 dB with nominal load.

After the rectification the signal goes through an other depth pass up to 13-th order to guarantee a range of approx 4 MHz with a company frequency of 13.56 MHz.

The input plug of the detectors is ordinarily N-male, the exit BNC female, or by customer wish also differently.