Multi-stage amplifier with capacitive nesting for frequency comp

Details Multi-stage amplifier with capacitive nesting for frequency comp Multi-stage amplifier with capacitive nesting for frequency comp

1984-04-19

1985-12-17

LaRoche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including signal feedback means

330109, 330260, 330310, H03F 134

Patent

active

045595020

ABSTRACT:
A multi-stage amplifier (21, 22, 23, or 24) has three or more amplifier stages (A1, A2, and A3) arranged in a capacitatively nested configuration for frequency compensation. The technique consists of nesting two of the stages together with a pole-splitting capacitor (C1) to form a stable device (21 or 22) and then nesting this device and a third of the stages together with another pole-splitting capacitor (C2) to form the amplifier.

REFERENCES:
patent: 4243943 (1981-01-01), Cherry
patent: 4335355 (1982-06-01), Haque
patent: 4366446 (1982-12-01), Henderson et al.
Grey et al., Analysis and Design of Analog Integrated Circuits, (John Wiley and Sons), 1977, pp. 420-426 and 515-521.

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