SiGe Microsystems, Inc. - Designer and manufacturer of low phase noise, low power consumption Silicon-Germanium enhanced integrated circuits for wireless and broadband access communications. Advanced Linear Devices, Inc. - Develops, manufactures and markets precision low power linear ICs. Products include EPADs, MOSFETs, rail-to-rail operational amplifiers, op amps, dual slope converters, voltage comparators, analog switches, timers, and matched transistor pairs. Linear Technology Corporation - Produces a line of integrated circuits that support the communications, computing, industrial, and automotive markets. Mixed Signal Integration - Manufacture analog filters and custom LSI devices. Summit Microelectronics - Manufacturer of programmable analog products. Specifically aimed at environmental monitoring. Supertex Inc. - Vendors of high voltage ICs and DMOS transistors Unitrode - Experts in power and battery management. Now owned by TI. TelCom Semiconductor Inc. - Manufacturer of a broad spectrum of linear and mixed signal solutions. Product line includes, power and thermal management and linear/mixed signal devices. Volterra Semiconductor - Designs advanced switching regulator ICs for low voltage applications. Nippon Precision Circuits, Inc. - Integrated circuits including phased locked loops, communications, DAC, digital filters, EL Drivers, oscillators, audio devices and real time clock. Part of the Seiko group. Clare Micronix Integrated Systems, Inc. - Developer and manufacturer of application specific integrated circuit (ASIC) and application specific standard products (ASSP), specializing in analog and mixed-signal solutions. Device Engineering - Designer and manufacturer of standard and custom integrated circuits. Comtech PST Corp. - Design, develop and manufacture linear, broadband and feed-forward solid state high power amplifiers. Online specifications. Advanced Monolithic Systems, Inc - Produces operational amplifiers as well as ICs for power supply design (DC converters and voltage regulators, references, and detectors). Wolfson Microelectronics plc - Makes imaging, audio, video, and digital/analog converter devices for consumer applications. Linear RF Switches "High Life Cycle Reliable MEMS" - Radant MEMS produces highly reliable, linear RF-MEMS “DC to 40 GHz” switches.