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STD LPF 100W Chebyshev 7th Order
License: Public Domain
Mode: Editors' pick
Cloned from FT8QRP LPF
- 0
Update time：
2022-03-28 21:00:20
Creation time：
2021-12-26 08:59:02
Description
HF LPF up to 100w
The switching is triggered with an ULN2804
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | SMA-KE901 | ANT,RX,TX | SMA-TH_SMA-KE901 | 3 |
| 2 | 470PF | C1,C3,C4,C9,C11,C12,C17,C19,C20,C25,C27,C28,C33,C35,C36 | RAD-0.2 | 15 |
| 3 | 130PF | C2,C10,C18,C26,C34 | RAD-0.2 | 5 |
| 4 | 0.1uf | C5,C6,C7,C8,C13,C14,C15,C16,C21,C22,C23,C24,C29,C30,C31,C32,C37,C38,C39,C40,C42,C43 | RAD-0.2 | 22 |
| 5 | 100nF | C41,C44,C45,C46,C47,C48 | CAP-TH_L6.5-W4.0-P5.00-D1.0 | 6 |
| 6 | 1N5711 | D1,D2,D3,D4 | DO07 | 4 |
| 7 | KH-2.54PH180-1X9P-L11.5 | H1 | HDR-TH_9P-P2.54-V-M | 1 |
| 8 | SRS-12VDC-SL | K1,K2,K3,K4,K5,K6,K7,K8,K9,K10,K11 | RELAY-TH_SRS-12VDC-SL | 11 |
| 9 | 100K | R1,R4 | VARIABLE RESISTOR | 2 |
| 10 | 47 | R2,R3 | 5W RESISTOR | 2 |
| 11 | T37-2-COIL | U1,U2,U3,U5,U6,U7,U8,U9,U10,U11,U12,U13,U14,U15,U16 | T37-2-COIL | 15 |
| 12 | ULN2804 | U4 | DIP-18_L23.0-W6.5-P2.54-LS7.6-BL | 1 |
| 13 | Forward | U17 | 2_PIN_2.54MM_CONNECTOR | 1 |
| 14 | RF_BRIDGE_FERRITE_COIL | U18 | RF_BRIDGE_FERRITE_COIL | 1 |
| 15 | Reflected | U19 | 2_PIN_2.54MM_CONNECTOR | 1 |
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