projekte:3cmcompacttrv:start
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen RevisionVorhergehende Überarbeitung | |||
projekte:3cmcompacttrv:start [2022/05/23 18:11] – thasti | projekte:3cmcompacttrv:start [2022/05/23 18:12] (aktuell) – [Transverter PCB] thasti | ||
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Zeile 27: | Zeile 27: | ||
{{: | {{: | ||
+ | |||
+ | === RX IF Filter === | ||
+ | The original 70 MHz IF filter is not used and the signal path is switched to the second not populated filter footprint. A pcb with a 3rd order 50 MHz bandpass filter was made and fits on this footprint. | ||
+ | |||
+ | {{: | ||
+ | |||
+ | schematics: {{ : | ||
+ | project files: [[https:// | ||
+ | errata: | ||
+ | * PCB pinout is flipped vertically, hence short wires are required to connect RF path to coupling capacitors on the PCB. | ||
=== TX IF Filter === | === TX IF Filter === | ||
Zeile 40: | Zeile 50: | ||
errata: | errata: | ||
* MMCX instead of MCX used, fix in next revision | * MMCX instead of MCX used, fix in next revision | ||
- | |||
- | |||
- | === RX IF Filter === | ||
- | The original 70 MHz IF filter is not used and the signal path is switched to the second not populated filter footprint. A pcb with a 3rd order 50 MHz bandpass filter was made and fits on this footprint. | ||
- | |||
- | {{: | ||
- | |||
- | schematics: {{ : | ||
- | project files: [[https:// | ||
- | errata: | ||
- | * PCB pinout is flipped vertically, hence short wires are required to connect RF path to coupling capacitors on the PCB. | ||
==== RF Board ==== | ==== RF Board ==== |
projekte/3cmcompacttrv/start.txt · Zuletzt geändert: 2022/05/23 18:12 von thasti