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- Title
Voltage clamping circuit with ±100 mV precision in high-voltage OTA.
- Authors
Easwaran, S. N.; Venugopal, S. K.; Weigel, R.
- Abstract
It is shown that precise output voltage clamping levels can be achieved under any operating condition by clamping the input of operational transconductance amplifier to a process insensitive reference and multiplexing the levels based on comparator decision. This circuit was implemented in a 40 V bipolar CMOS process. The fabricated circuit clamps the output voltage at 5.4 V with a precision of ±100 mV at 175°C on-chip junction temperature on the die. The input range for this circuit is between 100 mV and 25 V.
- Subjects
CLAMPING circuits; VOLTAGE-clamp techniques (Electrophysiology); HIGH voltages; ELECTRIC admittance; COMPLEMENTARY metal oxide semiconductors
- Publication
Electronics Letters (Wiley-Blackwell), 2016, Vol 52, Issue 11, p921
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2016.0571