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This module constructed and photographed by Lorenz, DL6NCI, thanks Lorenz.

The heater plate made by Lorenz showing the recess for the heater transistor, top

and the crystal position visible at the bottom with access cover plate.

This will be attached to the back of the PCB pictured above.

View the Phase Noise plot at 10GHz made by Lorenz using a DB6NT Beacon Module and HP Spectrum Analyser here


A .pdf file of the MKII Oscillator Module can be downloaded by clicking here


For more details contact G8ACE at


View a boxed OCXO also containing the Luis Cupido CT1DMK Reflock PLL design.

Contact G8ACE as above if you are interested in the integrated unit.