- Abstract:
-
We present the design and testing of a 2-20-GHz continuum-band analog lag correlator with 16 frequency channels for astronomical interferometry. The correlator has been designed for future use with a prototype single-baseline interferometer operating at 185-275 GHz. The design uses a broad-band Wilkinson divider tree with integral thin-film resistors implemented on an alumina substrate, and custom-made broad-band InGaP/GaAs Gilbert Cell multipliers. The prototype correlator has been fully ben...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1109/TIM.2012.2184960
-
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- Journal:
- IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
- Volume:
- 61
- Issue:
- 8
- Pages:
- 2253-2261
- Publication date:
- 2012-08-05
- DOI:
- EISSN:
-
1557-9662
- ISSN:
-
0018-9456
- URN:
-
uuid:6a418cb0-83df-4166-a148-77b494efce28
- Source identifiers:
-
310242
- Local pid:
- pubs:310242
- Language:
- English
- Keywords:
- Copyright date:
- 2012
Journal article
A 2-20-GHz Analog Lag Correlator for Radio Interferometry
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