The unit is supported by insulation in a 55mm square 30mm deep box
The OCXO PCB – Gold is attached to the heater plate machined as a one piece block.
The block is heated by the TO220 transistor, the thermistor for temperature control
and crystal are mounted into the block.
The whole unit is thermally insulated and contained in a tin plate box.
It is recommended to fine tune to the required frequency by external potentiometer
connected to the internal varicap diodes or connect to a PLL system.
For more details contact G8ACE at
kits (at) dsl (dot) pipex (dot) com
Last update January 2013