Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1997-06-03
1998-04-28
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327 96, G11C 2702
Patent
active
057449856
ABSTRACT:
In a differential sample-hold circuit used in a serial-parallel type A/D conversion circuit containing a current-added type D/A converter, a pair of differential analog input voltages Vin1 and Vin2 are supplied to a non-inverting input and an inverting input of a buffer amplifier. An non-inverted output and an inverted output of the buffer amplifier are supplied through a pair of switches to one end of a pair of voltage holding capacitors having their other end connected to ground, respectively, and also to an input of a pair of closed-loop buffer amplifiers having their outputs for outputting a pair of differential sampled-and-held voltages.
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The Institute of Electronics, Information and Communication Engineers, Technical Report of IEICE, ED93-47, ICD 93-46, pp. 17-22, (1993).
M. Nayebi et al., "A 10-bit Video BiCMOS Track-and-Hold Amplifier", IEEE Journal of Solid-State Circuits, No. 6, Dec. 24, 1989, pp. 1507-1516.
Callahan Timothy P.
NEC Corporation
Nu Ton My-Trang
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