Talk:Balanced circuit
Latest comment: 2 years ago by Spinningspark in topic Figure 6 unbalanced circuit
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Crosstalk reduction
edit@Wtshymanski: Hi there. In any two conductor circuit the signal currents are equal in magnitude but travelling in opposite directions. This is not exclusive to differential signaling. Therefore as long as the conductors are kept close together, the magnetic fields will cancel and crosstalk to other circuits will be reduced (even in a single-ended system). Unless you have some other information, I’ll go ahead and redo my edit. Thanks! Gutten på Hemsen (talk) 20:25, 2 January 2022 (UTC)
Figure 6 unbalanced circuit
editThe circuit shown in figure 6 is not balanced, as the basic op-amp differential amplifier does not have equal input impedances in the positive and negative inputs. — Preceding unsigned comment added by 85.233.250.150 (talk) 00:34, 29 March 2022 (UTC)
- Yes it does. What makes you think it doesn't? SpinningSpark 16:04, 29 March 2022 (UTC)
- Try and see if you get the same current for the same voltage. This will only be the case when the voltage is the same at both inputs, so the output is 0V 85.233.250.150 (talk) 16:19, 6 April 2022 (UTC)
- Yes, and the common mode interferance the circuit is designed to reject is equal to ... what? SpinningSpark 19:50, 6 April 2022 (UTC)
- Try and see if you get the same current for the same voltage. This will only be the case when the voltage is the same at both inputs, so the output is 0V 85.233.250.150 (talk) 16:19, 6 April 2022 (UTC)