A series switch to be used in switched-opamp circuits is proposed. The circuit can be implemented in standard CMOS technology and allows rail-to-rail input and output signals to be processed without a voltage multiplier. Using a 0.5μm CMOS technology, with a 1V supply, the circuit exhibits a total harmonic distortion better than -60dB for a differential signal amplitude up to 1.8 Vpp.
Baschirotto, A., Castello, R., Montagna, G. (1998). Active series switch for switched-opamp circuits. ELECTRONICS LETTERS, 34(14), 1365-1366 [10.1049/el:19980734].
Active series switch for switched-opamp circuits
BASCHIROTTO, ANDREA;
1998
Abstract
A series switch to be used in switched-opamp circuits is proposed. The circuit can be implemented in standard CMOS technology and allows rail-to-rail input and output signals to be processed without a voltage multiplier. Using a 0.5μm CMOS technology, with a 1V supply, the circuit exhibits a total harmonic distortion better than -60dB for a differential signal amplitude up to 1.8 Vpp.
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