Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
ON Semiconductor
IC 12-BIT GEN/CHKER 16DIP.
Texas Instruments
IC CONV PREC V TO FREQ 8DIP.
IC CONV PREC VOLT TO FREQ 8-DIP.
IC CONVERTER PREC V TO FREQ 8DIP.