UBC-01 Audio Balanced Driver - Unbalanced to Balanced Click on the picture to get a larger view. UBC01 is a converter for an unbalanced signal to balanced. The major function is established by a DRV13...

The RIAA correction curve The simplified RIAA amp look like this. R3 together with R1+R2 determines the DC-gain. In the following calculations R3 is only a constant. The diagram above shows the respon...

SST-03 The softstart for toroidal transformers Picture of the pcb. The pcb is doublesided with plated through holes and the copper is extra thick. WARNING - CAUTION As you can see at the picture the p...