| Zugriffsnummer | 33651 |
| Dokumenttyp | Zeitschriftenartikel |
| Sprache | Englisch |
| Titel | A simple new method to calibrate millimeter-wave mixers |
| Autor(in); Institution |
Kazemipour, Alireza; 2.2, Hochfrequenz und Felder, PTB-Braunschweig
Salhi, Mohammed; 2.2, Hochfrequenz und Felder, PTB-Braunschweig
Kleine-Ostmann, Thomas; 2.2, Hochfrequenz und Felder, PTB-Braunschweig
Schrader, Thorsten; 2.2, Hochfrequenz und Felder, PTB-Braunschweig
|
| Quelle/Jahr | IEEE Design and Test: 31 (2014), 6, 46 - 51 |
| ISSN | 2168-2356 |
| DOI | |
| Verlag | New York: IEEE |
| Freie Schlagworte | mm-wave mixer ; conversion-losses ; power measurement ; mixer calibration ; vector network analyzer |
| Zusammenfassung | Conversion-losses (C.L.) of a mixer can be used to compare the power level at its RF and IF ports. This is an important parameter to design and characterize systems which need up-converting and down-converting processes. Classic methods to measure the C.L. usually need separate and independent absolute power-measurements at any port of the mixer. However, absolute power cannot be measured with a good accuracy for the higher frequencies and especially in m-wave domain because of non-available standards and the source mismatch problems. A new method is proposed for reciprocal mixers which needs relative RF power measurement, only. A vector network analyzer (VNA) is used to feed and measure the RF port. Therefore, the C.L. can be evaluated for mm-wave mixers by using a suitable VNA and its frequency-extenders up to 500 GHz. The method and the setup are described and the results are presented for two commercial mixers: one in the microwave range and the other in the mm-wave domain. |
