CPC H03F 3/45636 (2013.01) [H03F 3/68 (2013.01); H03G 3/008 (2013.01); H03G 3/10 (2013.01)] | 16 Claims |
1. A multi-channel common-mode coupled alternating current (AC) gain amplifier (MC-CM-AC Amp) comprising:
a first operational amplifier including:
a first non-inverting input port configured to be coupled to a first input signal;
a first inverting input port configured to be coupled to a first capacitor;
a second operational amplifier including:
a second non-inverting input port configured to be coupled to a second input signal;
a second inverting input port configured to be coupled to a second capacitor; and
one or more gain-setting resistors configured to be coupled between the first capacitor and the second capacitor;
wherein the one or more gain-setting resistors is configured to amplify an alternating current (AC) component of the first input signal or the second input signal without amplifying a direct current (DC) component of the first input signal or the second input signal.
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