Difference between revisions of "Kits and Parts Lowpass Filter"
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=== Caps === | === Caps === | ||
− | |||
{| class="wikitable" | {| class="wikitable" | ||
+ | ! Capacitance (pF) | ||
! Mfr. # | ! Mfr. # | ||
! Manufacturer | ! Manufacturer | ||
! Description | ! Description | ||
|- | |- | ||
+ | | 10 | ||
| S100K33SL0R63K7R | | S100K33SL0R63K7R | ||
| Vishay | | Vishay | ||
| Ceramic Disc Capacitors 10pF 3000V 10% SL0 7.5mm LS | | Ceramic Disc Capacitors 10pF 3000V 10% SL0 7.5mm LS | ||
|- | |- | ||
− | | | + | | 33 |
+ | | CC45SL3AD330JYNNA | ||
| TDK | | TDK | ||
− | | Ceramic Disc Capacitors D: | + | | Ceramic Disc Capacitors D: 5.5mm 1kV 33pF SL 5% LS:5mm |
|- | |- | ||
+ | | 47 | ||
| CC45SL3AD470JYVNA | | CC45SL3AD470JYVNA | ||
| TDK | | TDK | ||
| Ceramic Disc Capacitors D: 5.5mm 1kV 47pF SL 5% LS:5mm | | Ceramic Disc Capacitors D: 5.5mm 1kV 47pF SL 5% LS:5mm | ||
|- | |- | ||
+ | | 82 | ||
| CC45SL3AD820JYNNA | | CC45SL3AD820JYNNA | ||
| TDK | | TDK | ||
| Ceramic Disc Capacitors D: 6mm 1kV 82pF SL 5% LS:5mm | | Ceramic Disc Capacitors D: 6mm 1kV 82pF SL 5% LS:5mm | ||
|- | |- | ||
+ | | 100 | ||
| CC45SL3AD101JYNNA | | CC45SL3AD101JYNNA | ||
| TDK | | TDK | ||
| Ceramic Disc Capacitors D: 6.5mm 1kV 100pF SL 5% LS:5mm | | Ceramic Disc Capacitors D: 6.5mm 1kV 100pF SL 5% LS:5mm | ||
|- | |- | ||
− | | | + | | 120 |
+ | | CC45SL3AD121JYNNA | ||
| TDK | | TDK | ||
− | | Ceramic Disc Capacitors D: | + | | Ceramic Disc Capacitors D: 7mm 1kV 120pF SL 5% LS:5mm |
|- | |- | ||
− | | | + | | 200 |
+ | | S201K33S3NN63L6R | ||
| Vishay | | Vishay | ||
− | | Ceramic Disc Capacitors | + | | Ceramic Disc Capacitors 200PF 1KV 10% |
|- | |- | ||
+ | | 270 | ||
| CC45SL3AD271JYVNA | | CC45SL3AD271JYVNA | ||
| TDK | | TDK | ||
| Ceramic Disc Capacitors D: 9mm 1kV 270pF SL 5% LS:5mm | | Ceramic Disc Capacitors D: 9mm 1kV 270pF SL 5% LS:5mm | ||
|- | |- | ||
− | | | + | | 330 |
+ | | S331K33Y5PR63K7R | ||
+ | | Vishay | ||
+ | | Ceramic Disc Capacitors 330pF 3000V 10% Y5P 7.5mm LS | ||
+ | |- | ||
+ | | 390 | ||
+ | | CC45SL3AD391JYVNA | ||
| TDK | | TDK | ||
− | | Ceramic Disc Capacitors D: | + | | Ceramic Disc Capacitors D: 10.5mm 1kV 390pF SL 5% LS:5mm |
+ | |- | ||
+ | | 470 | ||
+ | | D471K20Y5PH6UJ5R | ||
+ | | Vishay | ||
+ | | Ceramic Disc Capacitors 470pF 100V 10% | ||
|- | |- | ||
+ | | 680 | ||
| S681K29Y5PN63J5R | | S681K29Y5PN63J5R | ||
| Vishay | | Vishay | ||
| Ceramic Disc Capacitors 680pF 1000V 10% Y5P 5.0mm LS | | Ceramic Disc Capacitors 680pF 1000V 10% Y5P 5.0mm LS | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
|- | |- | ||
|} | |} |
Revision as of 10:24, 2 September 2021
Contents
Parts and Kits Filter
- 7-pole Universal Low Pass Filter for HF
- 2nd-Harmonic-Optimized LPFs by By Ed Wetherhold, W3NQN - Built this one
- Introduction to LPFs by Paul Hardin, NA5N
- 7 Element Chebyshev standard value capacitor LPFs
- Toroid Coil Winding Calculator
- Toroid Specs
- LC Filter Design Tool
Toroid Windings
INDUCTANCE - L1, L3
- Desired: 1.34 uH
- Calculated: 1.3 uH (97% of desired) Turns required: 18
- CORE
- Part number: T-37-2 (Red)
- Frequency Range: 1 to 30 MHz
- u: 10
- AL: 40 uH/100 turns
INDUCTANCE - L2
- Desired: 1.22 uH
- Calculated: 1.2 uH (95% of desired) Turns required: 17
- CORE
- Part number: T-37-2 (Red)
- Frequency Range: 1 to 30 MHz
- u: 10
- AL: 40 uH/100 turns
Measured on NanoVVNA
- 7 MHz LP filter
Caps
Capacitance (pF) | Mfr. # | Manufacturer | Description |
---|---|---|---|
10 | S100K33SL0R63K7R | Vishay | Ceramic Disc Capacitors 10pF 3000V 10% SL0 7.5mm LS |
33 | CC45SL3AD330JYNNA | TDK | Ceramic Disc Capacitors D: 5.5mm 1kV 33pF SL 5% LS:5mm |
47 | CC45SL3AD470JYVNA | TDK | Ceramic Disc Capacitors D: 5.5mm 1kV 47pF SL 5% LS:5mm |
82 | CC45SL3AD820JYNNA | TDK | Ceramic Disc Capacitors D: 6mm 1kV 82pF SL 5% LS:5mm |
100 | CC45SL3AD101JYNNA | TDK | Ceramic Disc Capacitors D: 6.5mm 1kV 100pF SL 5% LS:5mm |
120 | CC45SL3AD121JYNNA | TDK | Ceramic Disc Capacitors D: 7mm 1kV 120pF SL 5% LS:5mm |
200 | S201K33S3NN63L6R | Vishay | Ceramic Disc Capacitors 200PF 1KV 10% |
270 | CC45SL3AD271JYVNA | TDK | Ceramic Disc Capacitors D: 9mm 1kV 270pF SL 5% LS:5mm |
330 | S331K33Y5PR63K7R | Vishay | Ceramic Disc Capacitors 330pF 3000V 10% Y5P 7.5mm LS |
390 | CC45SL3AD391JYVNA | TDK | Ceramic Disc Capacitors D: 10.5mm 1kV 390pF SL 5% LS:5mm |
470 | D471K20Y5PH6UJ5R | Vishay | Ceramic Disc Capacitors 470pF 100V 10% |
680 | S681K29Y5PN63J5R | Vishay | Ceramic Disc Capacitors 680pF 1000V 10% Y5P 5.0mm LS |