en:sdrx
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| en:sdrx [2013/07/26 09:44] – [Interferometric set - the processing of coherent signals] fluktuacia | en:sdrx [2013/12/07 11:20] – [Verified software] kaklik | ||
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| * [[http:// | * [[http:// | ||
| * [[http:// | * [[http:// | ||
| + | * [[https:// | ||
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| ===== Radio meteor detection stations ===== | ===== Radio meteor detection stations ===== | ||
| - | The receiver is suitable for use in the radio meteor detection network, as is the case of several observatories in CR. [[http:// | + | The receiver is suitable for use in a radio meteor detection network, as is the case of several observatories in CR. [[http:// |
| {{: | {{: | ||
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| ====== Ideas for improvements ====== | ====== Ideas for improvements ====== | ||
| - | * <del> To add a logarithmic scalar output indicating "the extent | + | * <del> To add a logarithmic scalar output indicating "the extent of the receiver's saturation". </ |
| - | * To add a module with a suitable ADC and so eliminate the complications with the funcioning | + | * To add a module with a suitable ADC and so eliminate the complications with the functioning |
| - | * <del> To desing | + | * <del> To design a module with a galvanically separated symmetrical power supply. </ |
| * To figure out a way to compare the gain between the individual receivers. (preferably digitally) | * To figure out a way to compare the gain between the individual receivers. (preferably digitally) | ||
| Line 343: | Line 344: | ||
| Adding more modules to the arrangement could create a complete set where the receiver would be independent on a computer. Its realisation has several variants: | Adding more modules to the arrangement could create a complete set where the receiver would be independent on a computer. Its realisation has several variants: | ||
| - | * The receiver with a tunable oscillator and module with LDC that would show the tuned frequency. The buttons below the LCD would allow the retuning of the receiving frequency. | + | * The receiver with a tunable oscillator and a module with LDC that would show the tuned frequency. The buttons below the LCD would allow the retuning of the receiving frequency. |
| - | * A second variant would be the same as the first one, with an exception of digitising | + | * A second variant would be the same as the first one, with an exception of digitizing |
| ====== UHF SDR SDRX02A receiver ====== | ====== UHF SDR SDRX02A receiver ====== | ||
| - | **The design of the receiver described below is still only in preliminary stage of development** | + | **The design of the receiver described below is still only in a preliminary stage of development** |
| - | The design should probably be even more modular. That includes separate VGA input amplifier, input band-pass filter, I/Q demodulator with input band-pass filter. | + | The design should probably be even more modular. That includes |
| - | ACD with parallel anti-alias filter and FPGA with parallel USB interface. | + | ACD with a parallel anti-alias filter and FPGA with a parallel USB interface. |
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| **The design of the receiver described below is still only in preliminary stage of development** | **The design of the receiver described below is still only in preliminary stage of development** | ||
| - | The design should include separate input amplifier (VGA), input band-pass filter to limit the possible intermodulation, | + | The design should include |
| - | Analog Frond End ADC with input anti-alias filter and FPGA with PCIe interface for connection to the thunderbolt module. | + | Analog Frond End ADC with input an anti-alias filter and FPGA with a PCIe interface for connection to the thunderbolt module. |
en/sdrx.txt · Last modified: 2013/12/07 11:20 (external edit)