Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
Maxim Integrated
IC OP AMP SS LP 8-DIP.
Texas Instruments
IC OP AMP P-P COMP MCPWR 8-DIP.
Microchip Technology
IC AMP LIMITING 12.5GBPS 16QFN.