Calibration apparatus and method for network analyzer
Disclosed is a calibration apparatus for a network analyzer, including a communication portion configured to communicate with the network analyzer to input or output data necessary for calibration, a signal input portion configured to receive a signal notifying a start of the calibration input, at least one radio frequency (RF) port for being connected to the network analyzer, at least one adaptor configured to connect the RF port with the network analyzer, an impedance circuit portion connected to the RF port and configured to include at least one standard impedance, and a controller portion configured to generate calibration data using adaptor characteristic data corresponding to electrical characteristic of the adaptor, measurement data obtained by connecting each of such standard impedances with the network analyzer, and standard impedance characteristic data corresponding to the standard impedance.
1. A calibration apparatus for a network analyzer, comprising:
a communication portion configured to communicate with the network analyzer to input or output data necessary for calibration;
a signal input portion configured to receive a signal notifying a start of the calibration input from a user;
at least one radio frequency (RF) port for being connected to the network analyzer;
at least one adaptor configured to connect the RF port with the network analyzer;
an impedance circuit portion connected to the RF port and configured to comprise at least one standard impedance; and
a controller portion configured to generate calibration data for the calibration of the network analyzer using adaptor characteristic data corresponding to electrical characteristic of the adaptor, measurement data obtained by connecting each of such standard impedances with the network analyzer, and standard impedance characteristic data corresponding to the standard impedance.
2. The calibration apparatus of claim 1 , wherein the communication portion supports at least one of wired communication including general purpose interface bus (GPIB) communication, communication using a universe serial bus (USB) port communication, RS-232 communication, and local area network (LAN) communication and wireless communication including Bluetooth, wireless fidelity (Wi-Fi), Zigbee, and near field communication (NFC), and beacon communication.
3. The calibration apparatus of claim 1 , further comprising:
at least one external memory card configured to load the adaptor characteristic data of the adaptor; and
an external memory socket to which the external memory card is connectable.
4. The calibration apparatus of claim 3 , wherein the controller portion generates the calibration data by accessing the adaptor characteristic data stored in the external memory card connected to the external memory socket.
5. The calibration apparatus of claim 1 , wherein the RF port comprises at least one of a coaxial transmission line structure and a waveguide structure.
6. The calibration apparatus of claim 1 , wherein the impedance circuit portion comprises at least one of Short, Open, Load, Through (SOLT) standards, Through, Reflection, Line (TRL) standards, and Line1, Reflection, Line2 (LRL) standards.
7. The calibration apparatus of claim 1 , wherein the controller portion transmits the generated calibration data to the network analyzer.
8. A calibration method using a calibration apparatus for a network analyzer, comprising:
receiving and storing, by the calibration apparatus, a calibration initial setting value from the network analyzer;
generating, by the calibration apparatus, calibration data for calibration of the network analyzer using measurement data obtained by connecting at least one standard impedance to the network analyzer, adaptor characteristic data corresponding to electrical characteristic of an adaptor, and characteristic data of the standard impedance; and
transmitting, by the calibration apparatus, the generated calibration data to the network analyzer.