I have bought such generator http://www.ebay.com/itm/MTI-260-261-SC-CUT-5mhz-ultra-high-stability-high-reliability-ocxo-oscillator-/291005366483?pt=US_Radio_Comm_Oscillators&hash=item43c14580d3 I want to use it for GPSDO. Does anybody know typical circuit of using this generator MTI260? Thank you -- Nick Medina