RFBitBanger
profdc9
A QRP digital transceiver created from readily available parts for off-the-grid maintenance
Components (79)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2,Q4,Q10-Q12,Q14 | MMBT3904 | |
| Q3,Q6,Q7,Q9 | 2N7000 | |
| Q8,Q13 | SS8550 | |
| U1 | ATmega328P-A | |
| U2 | LM78M05_TO252 | |
| U3 | LM386 | |
| U4,U5 | LM358 | |
| U6 | SI5351A | |
| C1,C2,C10,C11,C13,C16,C17,C20,C24,C25,C27,C34,C36-C38,C41,C42,C44,C46,C47,C51,C54-C59,C61,C64,C65,C70,C72 | 100 nF | |
| C3,C53 | 1000 uF | |
| C4,C5,C21,C22,C28,C48,C66,C69 | 100 pF | |
| C6,C40 | 100 uF | |
| C7,C62,C67,C68 | 1 nF | |
| C8,C9 | 12 pF | |
| C12,C15,C50,C52,C63 | 10 uF | |
| C14,C29,C39 | 1 uF | |
| C18,C32,C43,C60,C71,Q5,Q15,R53,R56,R67 | NC | |
| C19 | 220 uF | |
| C23,C26,C30,C33 | 10 nF | |
| C31 | 4.7 uF | |
| C35 | 220 pF | |
| C45 | 330 nF | |
| C49 | 22 uF | |
| D1 | 1N4745A | |
| D2,D9-D15,D17,D18 | 1N4148 | |
| D3,D16,D19 | LED | |
| D4,D5,D8 | 1N4007 | |
| D6 | 1N4757 | |
| DS1 | LCD1602A | |
| J1 | POWER | |
| J2 | Barrel_Jack | |
| J3,J4,J6,J7,J14-J16,J20,J21,J25 | Conn_01x01 | |
| J5 | Conn_01x04 | |
| J8,J11,J19 | AudioJack2_Dual_Ground_Switch | |
| J9 | ICSP | |
| J10 | si5351mod | |
| J12 | Conn_Coaxial | |
| J17 | Filt1 | |
| J18 | Filt2 | |
| J22 | Conn_01x02 | |
| JP1 | QSK | |
| JP2 | Sample | |
| JP3 | 5VDC | |
| JP4 | BYPASS | |
| JP5 | JREF1 | |
| JP6,JP9 | HIGAIN | |
| JP7 | JVAL1 | |
| JP8 | Shutdown | |
| JP10 | BTP | |
| JP11 | TCXO | |
| L1,L2 | 10 uH | |
| L3-L5,L7,L8,L10-L12 | 100 uH | |
| L6,L9 | 22 uH | |
| P1 | Mini-DIN_6pins_ver4 | |
| R1,R3,R7,R24,R29,R30,R40,R45-R47,R58,R62,R64,R70,R72,R73,R82,R84,RV1-RV3 | 10k | |
| R2,R20,R63 | 100R | |
| R4,R6,R12,R13,R18,R22,R26,R27,R33,R35-R37,R48,R54,R59,R65,R68,R71,R75,R77,R85,R86 | 1k | |
| R5,R21,R25,R28 | 50R | |
| R8,R14,R17,R19,R80,R81 | 470R | |
| R9,R10,R31,R32,R34,R55,R61,R69,R76,R83 | 100k | |
| R11,R49,R50 | 47R | |
| R15,R52 | 47k | |
| R16,R66 | 470k | |
| R23 | 220k | |
| R38 | 2R2 | |
| R39,R60,R79 | 22k | |
| R41 | 150R | |
| R42-R44,R78 | 4k7 | |
| R51,R74 | 0R | |
| R57 | 3k3 | |
| RLY1 | DPDTRelay | |
| RV4 | 2k | |
| SW1-SW6 | SW_Push | |
| T1,T2 | Trifilar | |
| T3 | Current | |
| T4 | Common-Mode Choke | |
| Y1 | 16 MHz | |
| Y2,Y4,Y5 | 7.X MHz | |
| Y3 | 25 MHz |