Sdaz: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 34: | Line 34: | ||
SVC Chebyshev LPF: | SVC Chebyshev LPF: | ||
{|style="color:blue; background-color:#eeeeee;" cellpadding="10" cellspacing="0" border="1" | {|style="color:blue; background-color:#eeeeee;" cellpadding="10" cellspacing="0" border="1" | ||
||Freq||C1/C7||L2/L6||C3/C5||L4 | ||Freq||C1/C7||L2/L6||C3/C5||L4 | ||
|- | |- | ||
||1800||820||4 | ||1000||1476||8||3960||10,1 | ||
|- | |||
||500||2592||16||7920||20,2 | |||
|- | |||
||1800||820||4,442||2200||5,608 | |||
|} | |} | ||
| Line 43: | Line 48: | ||
* http://toroids.info/T50-2.php | * http://toroids.info/T50-2.php | ||
* http://www.gqrp.com/Datasheet_W3NQN.pdf (CWAZ) | * http://www.gqrp.com/Datasheet_W3NQN.pdf (CWAZ) | ||
* http://www.gqrp.com/harmonic_filters.pdf | * http://www.gqrp.com/harmonic_filters.pdf (normale LPF) | ||
Revision as of 17:07, 16 March 2017
filtri rf modulari
18pin, h max 15mm
| Nucleo | AL |
| T50-2 | AL=4.9 |
| T68-2 | AL=5.7 |
uH=(AL*(Giri^2))/1000
Giri=sqrt((uH*1000)/AL)
CWAZ-style LPF:
| Freq | C1/C7 | L2/L6 | C3/C5 | L4/C4 |
| 1000 | 2986 | 9,377 | 4556 | 8,516/680 |
| 1500 | 1990 | 6,25 | 3037 | 5,44/453 |
| 500 | 5972 | 18,754 | 9112 | 17/1360 |
SVC Chebyshev LPF:
| Freq | C1/C7 | L2/L6 | C3/C5 | L4 |
| 1000 | 1476 | 8 | 3960 | 10,1 |
| 500 | 2592 | 16 | 7920 | 20,2 |
| 1800 | 820 | 4,442 | 2200 | 5,608 |
rif: