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filtri | [[Category:Radio]] | ||
[[File:Sieve.png]] | |||
''filtri rf modulari'' | |||
Tipo QRP: | |||
* dimensioni: 40x15x15 mm | |||
* passo connettore: 4x14 pin 2,54 | |||
* potenza max: 25W | |||
Tipo normale: | |||
* dimensioni: 55x20x20 mm | |||
* passo connettore: 4x20 pin 2,54 | |||
* potenza max: 50W | |||
Nuclei: | |||
{|style="color:red; background-color:#eeeeee;" cellpadding="10" cellspacing="0" border="1" | |||
||Nucleo||AL | |||
|- | |||
||T37-2||AL=4 | |||
|- | |||
||T50-2||AL=4.9 | |||
|- | |||
||T68-2||AL=5.7 | |||
|- | |||
||T37-6||AL=3 | |||
|- | |||
||T50-6||AL=4 | |||
|} | |||
<code> | |||
uH=(AL*(spire^2))/1000 | |||
spire=sqrt((uH*1000)/AL) | |||
</code> | |||
== Passa Basso == | |||
CWAZ-style LPF (pF/uH): | |||
{|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||L2||C3||L4/C4 | ||Freq||C1/C7||L2/L6||C3/C5||L4/C4 | ||
|- | |- | ||
||1000||2986||9,377||4556||8,516/680 | ||1000||2986||9,377||4556||8,516/680 | ||
|- | |- | ||
||1500||1990||6,25||3037||5,44/453 | ||1500||1990||6,25||3037||5,44/453 | ||
|- | |- | ||
||500||5972||18,754||9112||17/1360|| | ||500||5972||18,754||9112||17/1360 | ||
|} | |||
SVC Chebyshev LPF: | |||
{|style="color:blue; background-color:#eeeeee;" cellpadding="10" cellspacing="0" border="1" | |||
||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 | |||
|- | |||
||1500||984||5,33||2640||6,73 | |||
|} | |} | ||
rif: | rif: | ||
* http://toroids.info/T50-2.php | * http://toroids.info/T50-2.php | ||
* http://www.gqrp.com/Datasheet_W3NQN.pdf | * http://www.gqrp.com/Datasheet_W3NQN.pdf (CWAZ) | ||
* http://www.gqrp.com/harmonic_filters.pdf (normale LPF) | |||
* http://www.amidoncorp.com/product_images/specifications/1-03.pdf | |||
== Passa Banda == | |||
[[File:Bpf-6p.gif]] | |||
{|style="color:blue; background-color:#eeeeee;" cellpadding="10" cellspacing="0" border="1" | |||
||Freq||Tipo||Zin||Zout ||C1/C3||L1/L3||C2||L2 | |||
|- | |||
||1,8-4mhz|| || || ||150pf||23uH||330||10,7uH | |||
|- | |||
||4-8mhz|| || || ||100pf||8uH||390||2,1uH | |||
|- | |||
||8-16mhz|| || || ||47pf||4uH||180||1,1uH | |||
|- | |||
||16-30mhz|| || || ||27pf||2uH||100||0,53uH | |||
|- | |||
||115 - 495khz||Butterworth||50||50||8377 pF||53.12 uH||10624 pF||41.88 uH | |||
|- | |||
||0,5 - 1,6mhz||Butterworth||50||50||2894 pF||7.94 uH||1588 pF||14.47 uH | |||
|- | |||
||4 - 10mhz||Butterworth||50||50||530.52 pF||0.9744 uH (18T@T37-6)||194.88 pF||2.65 uH (30T@T37-6) | |||
|- | |||
||6,5 - 15mhz||Butterworth||50||50||374.48 pF||0.6938 uH||138.75 pF||1.87 uH | |||
|- | |||
||10 - 20mhz||Butterworth||50||50||318.31 pF||0.3537 uH (11T@T37-6)||70.74 pF||1.59 uH (23.0T@T37-6) | |||
|} | |||
rif: | |||
* http://www.wb5rvz.com/sdr/hf_bpf/Softrock_PlugIn_HF-BPF_Option_1_Schematic1_12_2009.pdf | |||
* http://www.wa4dsy.net/filter/filterdesign.html | |||
Latest revision as of 12:36, 14 December 2020
filtri rf modulari
Tipo QRP:
- dimensioni: 40x15x15 mm
- passo connettore: 4x14 pin 2,54
- potenza max: 25W
Tipo normale:
- dimensioni: 55x20x20 mm
- passo connettore: 4x20 pin 2,54
- potenza max: 50W
Nuclei:
| Nucleo | AL |
| T37-2 | AL=4 |
| T50-2 | AL=4.9 |
| T68-2 | AL=5.7 |
| T37-6 | AL=3 |
| T50-6 | AL=4 |
uH=(AL*(spire^2))/1000
spire=sqrt((uH*1000)/AL)
Passa Basso
CWAZ-style LPF (pF/uH):
| 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 |
| 1500 | 984 | 5,33 | 2640 | 6,73 |
rif:
- http://toroids.info/T50-2.php
- http://www.gqrp.com/Datasheet_W3NQN.pdf (CWAZ)
- http://www.gqrp.com/harmonic_filters.pdf (normale LPF)
- http://www.amidoncorp.com/product_images/specifications/1-03.pdf
Passa Banda
| Freq | Tipo | Zin | Zout | C1/C3 | L1/L3 | C2 | L2 |
| 1,8-4mhz | 150pf | 23uH | 330 | 10,7uH | |||
| 4-8mhz | 100pf | 8uH | 390 | 2,1uH | |||
| 8-16mhz | 47pf | 4uH | 180 | 1,1uH | |||
| 16-30mhz | 27pf | 2uH | 100 | 0,53uH | |||
| 115 - 495khz | Butterworth | 50 | 50 | 8377 pF | 53.12 uH | 10624 pF | 41.88 uH |
| 0,5 - 1,6mhz | Butterworth | 50 | 50 | 2894 pF | 7.94 uH | 1588 pF | 14.47 uH |
| 4 - 10mhz | Butterworth | 50 | 50 | 530.52 pF | 0.9744 uH (18T@T37-6) | 194.88 pF | 2.65 uH (30T@T37-6) |
| 6,5 - 15mhz | Butterworth | 50 | 50 | 374.48 pF | 0.6938 uH | 138.75 pF | 1.87 uH |
| 10 - 20mhz | Butterworth | 50 | 50 | 318.31 pF | 0.3537 uH (11T@T37-6) | 70.74 pF | 1.59 uH (23.0T@T37-6) |
rif: