Electronic components and circuits in the data conversion field, namely, synchro to digital converters, hybrid synchro and resolver converters, resolver to digital converters, digital to resolver converters, digital to synchro converters, hybrid thick film data converters; circuit overvoltage detectors; multiplexers; solid state control electrical transformers; solid state control differential pressure transmitters; angle indicators; power supplies; electric sockets and connectors; Electronic track and hold circuits; programmable line drivers being computer hardware; solid state remote electrical power controllers; electronic depth indicators; shaft encoder angle indicators; synchro and resolver angle indicators; synchro and resolver angle flight simulators; shaft angle encoders; USB (universal serial bus) hardware, namely, mil-std-1553 and stanag-3838 databusses; USB (universal serial bus) hardware, namely, fiber channel data busses utilizing both copper and fiber optics, air-cooled and conduction cooled electronic printed VME circuit boards, solid state power controllers (SSP); remote power controllers (RPC); solid-state electronic hybrid circuits made up of two or more different monolithic integrated circuits; solid state electronic circuit modules immersed in a potting material to form a solid block; PCMIA electronic circuits for insertion into a port of a personal computer to upload or download data; electronic solid-state encoder interface circuits; solid-state electronic position sensor interface circuits; Electronic solid-state circuits for interfacing electronic hardware in an aircraft to a data bus; computer hardware, namely, electronic data bus analyzers for locating and identifying problems in a data bus; computer hardware, namely, electronic data loaders for loading data into an aircraft, electronic multiplexers for combining data from a large number of inputs into one output; DC-DC power converters for converting a DC input of a given level into a DC output of a different given level, electronic motor drive modules for controlling motors and composed of discrete integrated circuits integrated together into one solid substrate block; Avionics Interface Computer; Ethernet boxes being ethernet switches; peripheral component interface (PCI) hardware; peripheral component interface (PCI) Express Boards; peripheral component interface (PCI) Boards; small form factor USB hubs; mini-peripheral component interconnect express (PCIE) circuit board; peripheral component interface (PCI) boards, namely, PCI/104-Plus board; peripheral component interface (PCI) boards, namely, PCI/104 board; peripheral component interface (PCI) boards, namely, PCI/PXI board; computer memory expansion cards for adding additional functionality to computer systems; Advanced mezzanine card (AMC) circuit board; PCMCIA circuit board; aeronautical radio communication machines and apparatus (ARINC); aeronautical radio communication machines and apparatus (ARINC) namely, 429 line receivers; aeronautical radio communication machines and apparatus (ARINC), namely, 429 line; aeronautical radio communication machines and apparatus (ARINC) namely, 429 8/16 bit microprocessor; fibre channel Network Access Server (NAC); Electronic fibre channel Network Access Controller (NAC); Electronic controllers for use as a computer network interface; fibre channel telecommunication switch; Electronic controllers for interfacing networks for high speed bi-directional transfer; sine reference oscillator; combo cards, namely, electronic circuit cards; synchro booster amplifier; electric resistors, namely, resistor network; solid state power controllers (SSPC); remote power controllers (RPC); Electrical power distribution unit (PDU); motor power controller; 3-phase torque power controller; motor drives, namely, electronic apparatus and instruments for controlling, adjusting and testing of drives and motors; 3-phase computer network bridge; H- computer network bridge; 3-phase programmable position, speed and torque power controller; motor controllers for controlling speed, torque and position