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Low_noise_bridge_amplifier_with_common_mode_suppression

2016-05-17 01:31  
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Low_noise_bridge_amplifier_with_common_mode_suppression
Figure 4-3 shows a circuit that is similar to that of Fig. 4-2, except that low-noise bipolar amplifiers are used. This circuit trades slightly higher dc offset drift for lower noise; it is a good candidate for stable resolution of small, slowly varying measurements. LINEAR TECHNOLOGY, APPLICATION NOTE 43, P. 6.