A capacitor amplifying circuit and an operating method thereof are disclosed. The capacitor
amplifying circuit includes a first current source, a second current source, a current mirror …

A capacitor multiplier including a capacitor, a first voltage follower, a first impedance
element, and a second impedance element is provided. The input terminal of the first voltage …

A capacitance magnification circuit comprising an amplifier having a positive gain G, a first
capacitor having a value C1, and a second capacitor having a value C2. The first capacitor …

A differential amplifying device includes a first differential amplifying unit that receives an
input signal and a reference voltage. The first differential amplifying unit amplifies the input …

An amplifying circuit including a first gain circuit, a second gain circuit, a Miller capacitor, a
positive feedback circuit and a feedforward gain circuit. The second gain circuit is configured …

An amplifier is provided which includes: a first variable capacitance device of which
capacitance is variable, a second variable capacitance device of which capacitance is …

An arithmetic amplifying circuit for driving a capacitive load is provided including a voltage
follower circuit converting an input signal to impedance, and a resistance circuit which is …

A differential amplifying apparatus includes first and second differential pair circuits having
opposite conductivity, first and second current sources, first and second current mirror …

A converter for an amplifying device having a first amplifier and a second amplifier is
provided. The first amplifier and the second amplifier have a first tail current and a second …

An amplifying circuit according to an embodiment includes a sample and hold circuit, an
operational amplifier, a feedback capacitance, and a level shift circuit. The sample and hold …