I am seeing a 7.6 MHz oscillation at the detector output when saturating the input of the LTC5596 detector. I have a 15 dB directional coupler providing the input to the detector at the output of a MMIC die. I have no load capacitance and can quiet the oscillation by using < 200 ohms at the detector output. The detector looks like it should be able to operate up to an open circuit. Has anyone seen these oscillate? In some cases it causes a latching effect in the detector so that the input level has to drop a few dB before the oscillation stops and the detector behaves again.