From optek-Danulat, Inc.

With the growing importance of effective pollution control, added emphasis has been placed on Biochemical Oxygen Demand (BOD). The Environmental Protection Agency (EPA) uses BOD levels to measure effluent strength and to establish effluent guidelines as required by the Federal Water Pollution Control Act.
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Products & Services

Product Announcements
PREMA Semiconductor GmbH - PR2202 80V-High Voltage Operational Amplifier
The high voltage operational amplifier PR2202 works for supply voltages of up to 80V single supply or up to ±40V and a maximum output current of ±6mA. The temperature increase of the... (read more)
PREMA Semiconductor GmbH - 80V-High Voltage Op Amp PR2201
The new PREMA high voltage operational amplifier PR2201 for supply voltages of up to 80V single supply or up to ±40V with a maximum output current of ±6mA is now available. (read more)
Knick Elektronische Messgeraete GmbH & Co. KG - The Art of Measuring
Knick is the market leader in many specialized areas of measuring and control engineering, for example, in the field of electrical isolation, process analytics, and loop-powered digital indicators. (read more)
Avago Technologies - ACPL-790B Precision Miniature Isolation Amplifier
The ACPL-790B/790A/7900 precision miniature isolation amplifiers were designed for current and voltage sensing in electronic power converter applications such as motor drives and renewable energy... (read more)
UltraVolt, Inc. - 0-10kV High Voltage Amplifier- HVA Series
The HVA Series of DC-to-DC high-voltage power supplies operates a precision filter/divider & linear HV switch to produce a High-Voltage Amplifier (HVA). These modules provide a high-resolution,... (read more)
M.S. Kennedy Corp. - 182, 183 Dual High Power Operational Amplifiers
The MSK 182 and 183 are dual high power monolithic operational amplifiers ideal for use with a wide variety of loads. With operation from either single or dual supplies, they offer excellent design... (read more)

Topics of Interest

When buying operational amplifiers1 the manufacturer will specify certain electrical and operational conditions that the user must know in order to use the device wisely.  The data sheet provided...

Bonnie Baker Overview Note "Perfect op-amp"? I just want one that is good enough, and doesn't cost much. /rap The operational amplifier's operation and circuits are easy to find in...

A differential amplifier is the basic unit with which the Operational Amplifier1 is built.  This amplifier is very useful when there is a need to amplify low amplitude small signals.  If the...

Marc Thompson Note In this chapter, Marc shows us an example of a real op-amp as well as how to analyze it and use it. This is not a perfect op-amp, but what op-amp is? Answer: None. But...

Overview Linear ICs are single-chip arrangements of amplifier circuits that are intended to be biased and operated in a linear way. This definition is usually extended to include ICs that have a...