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  2. Circuit ID - Wikipedia

    en.wikipedia.org/wiki/Circuit_ID

    A circuit ID is a company-specific identifier assigned to a data or voice network connection between two locations. This connection, often called a circuit, may then be leased to a customer referring to that ID. In this way, the circuit ID is similar to a serial number on any product sold from a retailer to a customer.

  3. Circuit identification code - Wikipedia

    en.wikipedia.org/wiki/Circuit_identification_code

    The ISDN Services User Part Circuit Identification Code (CIC) is part of the Signaling System #7 which is used to set up telephone calls in Public Switched Telephone Networks [1] as part of the Initial Address Message (IAM).

  4. Spectrum Software - Wikipedia

    en.wikipedia.org/wiki/Spectrum_Software

    Spectrum Software was a software company based in California, whose main focus is electrical simulation and analysis tools, most notably the circuit simulator Micro-Cap. [1] It was founded in February 1980 by Andy Thompson. Initially, the company concentrated on providing software for Apple II systems.

  5. Local exchange carrier - Wikipedia

    en.wikipedia.org/wiki/Local_exchange_carrier

    Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company.. In the United States, wireline telephone companies are divided into two large categories: long-distance (interexchange carrier, or IXCs) and local (local exchange carrier, or LECs).

  6. ISDN User Part - Wikipedia

    en.wikipedia.org/wiki/ISDN_User_Part

    The Circuit Identification Code is used to specify which trunk between two switches is used to carry a particular call. Note that some versions of ANSI ISUP permit a CIC with 14 significant bits instead of the 12 that are shown. [8] The Message Type indicates the ISUP message type. The presence and form of the remaining 3 components are ...

  7. Micro-Cap - Wikipedia

    en.wikipedia.org/wiki/Micro-Cap

    Micro-Cap [1] is a SPICE compatible analog/digital circuit simulator with an integrated schematic editor that provides an interactive sketch and simulate environment for electronics engineers. It was developed by Spectrum Software , and was only available with a paid commercial license. [ 2 ]

  8. Spectrum analyzer - Wikipedia

    en.wikipedia.org/wiki/Spectrum_analyzer

    A spectrum analyzer is also used to determine, by direct observation, the bandwidth of a digital or analog signal. A spectrum analyzer interface is a device that connects to a wireless receiver or a personal computer to allow visual detection and analysis of electromagnetic signals over a defined band of frequencies.

  9. List of EDA companies - Wikipedia

    en.wikipedia.org/wiki/List_of_EDA_companies

    Circuit Simulation; Altium Designer - PCB Design software, Schematic Capture and Circuit Simulation; Altium Vault - Design Data Management Solution; PDN Analyzer - Power Distribution and Network Analysis (A/C) CircuitStudio - easy-to-use PCB design tool; CircuitMaker - free community-driven PCB design tool for makers