Amplifiers and Buffers

Dec 30, 2005 0 Replies

Hello all,



I am supposed to convert different kind of available outputs into 4 outputs of each kind. i.e.



  1. I have 9 pins of RS232 and this can be connected to one PC only. If I want to connect these pins to four similar receiving stations, with the same quality of signals, same load capacity, what should i do?


  1. I have AM modulated 1 kHz signal at output. It has load capacity of



150 ohm. It can drive one circuit only. i need to feed if to 4 different circuits. How can it be possible with discrete as well as IC circuits?

I want to know the concept of load. What is meant by that? How can we design an amplifier of buffer based on given load and Voltages at output?



I will be glad to have answers soon. thank you, Mohammadi



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