Electronic Glossary

This is the total number of holes drilled in the board.

OCXO, abbreviation of Oven Controlled crystal (Xtal) Oscillator, is a type of crystal oscillator, in which a crystal oven is a temperature-controlled chamber used to maintain the quartz crystal in electronic crystal oscillators at a constant temperature, in order to …

What is ODFN Package?   Optical Dual-in-line Flat No-lead (ODFN) packages are developed for light sensor applications. The mechanical structure of an ODFN is similar to that of a conventional DFN, except the molding compound is a transparent material rather …

An original design manufacturer (ODM) is a company that designs and manufactures a product, as specified, that is eventually rebranded by another firm for sale. Such companies allow the firm that owns or licenses the brand to produce products (either …

An Original Equipment Manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer. OEM is also used in several other ways. It sometimes means the maker of a system that includes other companies’ …

What is Ohm?   The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Ohm (1789-1854). Various empirically derived standard units for electrical resistance were developed in connection with early telegraphy practice, and …

Open circuit -An unwanted break in the continuity of an electrical circuit which prevents current from flowing. See E-test.

The gain of an amplifier when no feedback is present.

An amplifier circuit having no means of comparing the output with the input.

What is an Operational Amplifier?   An Operational Amplifier (often Op amp, or opamp) is an integrated circuit (IC) that can amplify weak electric signals. An op amp has two input pins and one output pin. Its basic role is …