Abstract
In the present study the single channel operational amplifier IS-OU1 with 15 V supply voltage (open loop gain ~100-110 dB) design is based on n-p-n type bipolar transistors has been developed. It is shown that the proposed macromodel sufficiently describes behaviour of operational amplifier. It is established that obtained electrical parameters characteristics of operational amplifier macromodel have good agreement with design requirements. Consequently the proposed design operational amplifier can be applied in industry production for further use in electrical integrated analogue circuits and energy systems.
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