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SP6GK
Design of a LPF board with 6 filters covering entire HF spectrum and 6 m band.
| Reference | Value | Description |
|---|---|---|
| U1 | AMS1117-5 | |
| U2 | 74AHC595 | |
| U3 | ULN2003 | |
| C1-C6,C8-C14,C16,C18,C20,C44,C45,C47,C50 | 100n | |
| C7,C15,C17 | 10u | |
| C19,C46,C49 | 1u | |
| C21,C39 | 71p | |
| C22,C40 | 123p | |
| C23,C41 | 203p | |
| C24,C42 | 357p | |
| C25,C31,C37,C43 | 834p | |
| C26,C32,C38 | C_Small | |
| C27,C33 | 127p | |
| C28,C34 | 218p | |
| C29,C35 | 360p | |
| C30,C36 | 635p | |
| C48,C51 | 10n | |
| D1-D6,D10-D15 | 1N4007 | |
| D7-D9,D16-D18,D21,D22 | SD12_SOD323 | |
| D19,D20 | Schottky | |
| J1,J4 | Conn_01x07 | |
| J2 | 12V INPUT | |
| J3 | RF input | |
| J5 | RF output | |
| L1-L17 | L | |
| L18 | FT50-61 30T 1T RG-142 coax | |
| L19 | FT82-61 30T 1T-RG213 coax | |
| L20,L21 | 100u | |
| R1 | 10 | |
| R2-R7,R9,R10,R12,R13 | 100 | |
| R8,R11,RV1,RV2 | 10k | |
| REL1-REL12 | RM85 |