Newmarket
Well-known member
Getting "BrainAche" here.
Testing (via LT Spice) Ground Cancelling Output circuit(s).
I've modelled the Test Circuit in Douglas Self's Small Signal Audio Design 2nd ed. P542 Fig 19.6
All good.
But I want to test it into a differential input ( eg 'standard 4 resistor diff amp ). I just can't get it straight in my head (or on the screen) how I should configure this wrt injecting CM noise. Any thoughts ?
Testing (via LT Spice) Ground Cancelling Output circuit(s).
I've modelled the Test Circuit in Douglas Self's Small Signal Audio Design 2nd ed. P542 Fig 19.6
All good.
But I want to test it into a differential input ( eg 'standard 4 resistor diff amp ). I just can't get it straight in my head (or on the screen) how I should configure this wrt injecting CM noise. Any thoughts ?