PA0KLT Si570 Synthesiser - VK1OD implementation

Implementation

Fig 1: Top side

Above, the top view of the assembled PCB.

The transformer is wound on a BN43-1502, 6 turns trifilar, two windings in series for the primary and one floating for the secondary.

Fig 1: Bottom side

Above, a view of the underside of the PCB.

Fig 3: Under test

Above, the synthesiser undergoing aging of the reference.