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electronics:rx:techinfo:documentation_p500mm [2020/12/15 17:16] rkeller |
electronics:rx:techinfo:documentation_p500mm [2021/11/11 16:37] rkeller |
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Technical Documentation of 50cm 300-900 MHz (P500) | Technical Documentation of 50cm 300-900 MHz (P500) | ||
|Type|HEMT LNA, unclooled| | |Type|HEMT LNA, unclooled| | ||
- | |Channel|2| | + | |Channels|2| |
- | |Tsys|300K(Trec~150K| | + | |Tsys|300K(Trec~150K)| |
|RF Frequency Range|300-900 MHz| | |RF Frequency Range|300-900 MHz| | ||
- | |Band Width RF Filter|300 - 505 MHz| | + | |Band Width RF Filters wide band|300 - 505 MHz| |
|->|608 - 685 MHz| | |->|608 - 685 MHz| | ||
- | |->|790 - 915 MHz)| | + | |->|790 - 915 MHz, all parallel| |
+ | |Band Width RF Filter 400 MHz band|401 - 405 MHz| | ||
+ | |Band Width RF Filter 600 MHz band|608 - 614 MHz| | ||
|1. Local Oscillator|ULO1 = 1250-1850 MHz| | |1. Local Oscillator|ULO1 = 1250-1850 MHz| | ||
|1. IF|2100 - 2200 MHz| | |1. IF|2100 - 2200 MHz| | ||
- | |2. Local Oscillator|ULO2 = 2000MHz fixed| | + | |2. Local Oscillator|ULO2 = 1400MHz fixed| |
- | |2. IF|100 - 200 MHz| | + | |2. IF|500 - 1000 MHz| |
|Polarization|LHC and RHC| | |Polarization|LHC and RHC| | ||
|Calibration|Noise Diode| | |Calibration|Noise Diode| | ||
|Feed|11-Feed from DRAO| | |Feed|11-Feed from DRAO| | ||
- | |Output|300 - 900 MHz| | + | |Output|300 - 900 MHz direct or 500 - 1000 MHz with IF converter| |
====== Block Diagram ====== | ====== Block Diagram ====== | ||
+ | |||
+ | ==== Receiver ==== | ||
{{:electronics:rx:techinfo:bsb_geradeaus-rx_50cm_20201211.jpg|}} | {{:electronics:rx:techinfo:bsb_geradeaus-rx_50cm_20201211.jpg|}} | ||
- | {{:electronics:rx:techinfo:p500mm_ifa_block_diagram.jpg|}} | + | |
+ | ==== IF Converter ==== | ||
+ | |||
+ | {{:electronics:rx:techinfo:bsb_up_downconverter_vlba_2150_reduziert.jpg|}} | ||