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From Centellax, Inc.
Centellax designs and manufactures GaAs MMIC amplifiers, most which have 30dB of dynamic gain control. These ICs can be controlled with an op amp circuit, or a microprocessor with a lookup table, to enable real time application adjustable gain. This type of amplifier can replace an entire amplifier-attenuator sub-circuit; instead of a fixed-gain amp followed by a voltage-controlled digital or analog attenuator, replace both ICs, the connecting substrate, and at least two sets of wirebonds with a single adjustable-gain IC Products & Services
Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications.
Learn more about Power Amplifiers
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Centellax designs and manufactures GaAs MMIC amplifiers, many which have an on-chip differential diode power detector. This feature can be used with an external opamp circuit, or a microprocessor with...
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This application note describes a useful broadband technique of temperature compensation for GaAs FET amplifiers. A control circuit is given for use with M/A-COM's dual bias 20 dB attenuator MMIC.
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Section 6-6: Composite Amplifiers
Walt Jung
The term "composite op amp" can mean a variety of things. In the most general sense of the word, any additional circuitry at either the input or the...
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9.2 SWITCHED CAPACITOR AMPLIFIERS
In this section, the use of switched capacitors for amplification will be presented. This class of circuits will use the op amp with negative feedback to achieve...
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OVERVIEW
This chapter uses the basic subcircuits of the last chapter to develop various forms of CMOS amplifiers. We begin by examining the inverter the most basic of all amplifiers. The order of...
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