en:lna
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| en:lna [2013/07/24 17:36] – fluktuacia | en:lna [Unknown date] (current) – external edit (Unknown date) 127.0.0.1 | ||
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| ===== Construction ===== | ===== Construction ===== | ||
| - | The connection of the amplifier is implemented using the FR4 PCB. It is possible to fit the PCB with __straight__ | + | The connection of the amplifier is implemented using the FR4 PCB. It is possible to fit the PCB with straight |
| - | The following scheme shows the connecting | + | The following scheme shows the circuit |
| ===== Tuning ===== | ===== Tuning ===== | ||
| - | Zesilovač naladěný na pásmo | + | The amplifier tuned to 143MHz |
| - | {{: | + | {{: |
| - | {{: | + | {{: |
| - | Přenosová charakteristika nízkošumového předzesilovače | + | The transmission curve of the LNA01A. |
| + | Smaller horizontal lines in the upper part of the screen have a scale increment of 10MHz, increment for larger lines is 100MHz and 200MHz. | ||
| - | {{: | + | {{: |
| - | Cívka na 144MHz vychází 7závitů z drátu | + | A coil performing on 144Mhz has 7 turns of 0.5mm wire around a rod with a diameter of 4mm (__a drill__). The coil is stretched as seen in the picture. The capacitors |
| - | ====== | + | ====== |
| - | {{:cs:prenos.png?200|}} | + | {{:cs:rf:lna01a.png?400|Transmission characteristic of LNA01A preamplifier.}} |
| {{: | {{: | ||
| {{: | {{: | ||
| - | ===== Použití | + | ===== Applications |
| - | Tento předzesilovač je primárně konstruovaný pro použití v kombinaci s SDR přijímačem | + | This preamplifier is primarily constructed for use in combination with SDR receiver |
| - | ===== Zakrytování ===== | ||
| - | Modul pasuje do kovové cínované stínící krabičky [[http:// | + | ===== Covering ===== |
| + | The module fits into metallic shielding box[[http:// | ||
| - | == Reference | + | |
| - | * [[http:// | + | == References |
| + | * [[http:// | ||
en/lna.1374687360.txt.gz · Last modified: 2013/07/24 17:36 by fluktuacia
