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electronics:rx:techinfo:documentation_p22mm
Table of Contents
Technical Documentation of the 22mm Receiver 12.1 - 13.6 GHzz (P22mm)
| Type | HEMT ,Cooled |
| Channels | 2 |
| Receiver Noise Temperature | 40-50 K |
| Frequency Range | 12.1 - 13.6 GHz |
| Bandwidth RF-Filters | 12.1 - 12.28 GHz / 12.9 - 13.6 GHz |
| Polarization | LHC and RHC |
| Calibration | Noise Diode |
| feed | Prime Focus Horn |
| 1. Oscillator | ULO1 (x8) 1.331 - 1.418 GHz |
| 1. IF | 1.72 - 2.48 GHz |
| 2. Oscillator | ULO2 (x3) 2.1 GHz |
| 2. IF | 100 - 200 MHz |
Block Diagram
Recievers Detail Blockdiagram 22mm_receiver.pdf
Charts
| Sky Frequency | Tcal Channel A | Tcal Channel B |
| 13.04GHz | 21.0K / 1.8K | 22.7K / 1.9K |
| 13.25GHz | 20.8K / 12.1K | 22.3K / 2.1K |
| 13.45GHz | 17.7K / 1.4K | 20.1K / 1.9K |
Comments
The 13.25 GHz system is a total power receiver with cooled HEMT preamplifiers. It is mainly constructed for spectroscopy measurements. There is no polarimeter available.
The broadband IF output is prepared to be connected via optical link. The V/F-Converters at the broadband detectors have a maximum frequency of 5 MHz to give enough resolution for pulsar work. This system is part of the Primary Focus Multi Frequency Box #2 (PM 2).
electronics/rx/techinfo/documentation_p22mm.txt · Last modified: 2019/12/13 12:03 by ubach
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