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An amplifier can be used to adapt the range of a signal to a requirement, to make it more robust for transmission, or to satisfy interface requirements (like input/output impedance).

2 votes

LTSpice Transconductance Amplifier Simulation

Why don't you use the arbitrary behavioral current source, called "bi" in the symbol library of LTSpice: It will look like that: Then the simulation results looks like that:
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0 votes

How to design Current Amplifier circuit to amplify the signal current to 1A

What I have done is to just use a Nmosfet and connect it to the load as low side switch. You can use the same idea, but with Pmos if you need a high side. I think you can save an op-amp like that an …
judoka_acl's user avatar