We designed the Intermediate Frequency(IF) distributor for multi beam backend system and manufactured Voltage to Frequency Converter(VFC) to measure the multi-beam receiver performance. Multi beam receiver has 15 channel receivers and can get 15 spectrums at once. The multi beam receiver has more observation efficiency than single beam receiver. We manufactured the 15 IF distributors to distribute IF signal for Autocorrelation spectrometer that is radio signal processor. Also, we manufactured the VF Converter to test the performance measurement of receiver for Korea VLBI Network(KVN) system which is under-construct in Seoul, Ulsan and Jeju. As a result of performance measurement, we could obtain linearity of 99.4% on the input power vs output frequency and measured the operating range of input frequency.

• 김광동(한국천문연구원) | KWANG DONG KIM (Korea Astronomy and Space Science Institute)
• 임인성(한국천문연구원) | IN SUNG YIM (Korea Astronomy and Space Science Institute)
• 변도영(한국천문연구원) | DO-YOUNG BYUN (Korea Astronomy and Space Science Institute)
• 송민규(한국천문연구원) | MIN GYU SONG (Korea Astronomy and Space Science Institute)