Transconductance-capacitor compensation circuit for rolling over network
A technology of capacitance compensation and compensating capacitance, which is used in differential amplifiers, DC-coupled DC amplifiers, etc., can solve the problems of not easy to popularize N-level transconductance amplifiers, limit the bandwidth of multi-level transconductance amplifiers, and complex implementation, and achieve phase improvement. Margin, simple structure, the effect of improving signal bandwidth
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[0054] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0055] figure 2 is a schematic diagram of an embodiment of the RNGCC circuit of the present invention, such as figure 2 As shown, the RNGCC circuit of this embodiment includes:
[0056] A main signal transconductance, including N+1 main signal transconductance (gm) units, and N+1 main signal transconductance units are cascaded to form a main signal path;
[0057] A feedforward compensation transconductance, including N feedforward compensation transconductance (gmf) units, used to compensate the right half-plane zero point and improve the phase margin;
[0058] A compensation capacitor, including N capacitors, is used to improve the stability of the transconductance amplifier by separating the main pole and the non-dominant pole due to the Miller effect;
[0059] A load capacitor, comprising a capacitor, forms the...
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