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M0LTE
An attempt to build a complete ham radio transceiver around a Raspberry Pi
| Reference | Value | Description |
|---|---|---|
| Q1 | BC848W | 0.1A Ic, 30V Vce, NPN Transistor, SOT-323 |
| Q2 | 2N7002 | 0.115A Id, 60V Vds, N-Channel MOSFET, SOT-23 |
| Q3 | DMG2305UX | -3A Id, -20V Vds, P-Channel MOSFET, SOT-23 |
| U1,U9 | 74LVC1G17 | Single Schmitt Buffer Gate, Low-Voltage CMOS |
| U2 | 74LVC74 | Dual D Flip-flop, Set & Reset |
| U3 | TLV9364 | Quad Low-Voltage Rail-to-Rail Output Operational Amplifier, SOIC-14/SSOP-14 |
| U4 |
| Ultra-Small, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator, VSSOP-10 |
| U5 | TLV9361 | 40-V, 1-MHz, RRO Operational Amplifiers for Cost-Sensitive Systems, SOT-23-5 |
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| U6 | MCP4728 | 12-bit digital to analog converter, quad output, 2.048V internal reference, integrated EEPROM, I2C interface |
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| U7 | AP2204K-ADJ | 150mA low dropout adjustable linear regulator, wide input voltage range, SOT-23-5 package |
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| U8 | LTC1044 | Switched Capacitor Voltage Converter, 1.5V to 9V supply operation, 200uA Max No Load Supply Current at 5V, DIP-8/TO-99 |
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| U10 | 74AHCT125 | Quadruple Bus Buffer Gates With 3-State Outputs |
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| A1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash |
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| C1,C2 | 1nF | Unpolarized capacitor |
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| C3-C10,C19,C23,C30,C33,C35-C42 | 10n | Unpolarized capacitor |
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| C11-C16,C18,C20,C22,C24,C26,C29,C31,C43 | 100n | Unpolarized capacitor |
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| C17,C21 | 10u | Unpolarized capacitor |
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| C25,C27 | 1uF | Unpolarized capacitor |
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| C28,C32,C34 | 10uF | Unpolarized capacitor |
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| D1,D3,D6,D7,D13-D15,D24,D28 | SMF4L5.0A | ESD Protection Diode, SOD-523 |
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| D2,D5 | BAT54SW | Vr 30V, If 200mA, Dual schottky barrier diode, in series, SOT-323 |
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| D4,D9,D20,D22,D25-D27 | SMF4L12A | ESD Protection Diode, SOD-523 |
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| D8 | 1N5400 | 50V 3A General Purpose Rectifier Diode, DO-201AD |
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| D10,D11,D16,D17,D19,D29,D30 | SP0503BAHT | TVS Diode Array, 5.5V Standoff, 3 Channels, SOT-143 package |
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| D12 | SMF4L12.0A | ESD Protection Diode, SOD-523 |
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| D18 | ESD131-B1-W0201 | Bidirectional ESD protection diode, +/-5.5Vrwm, 0.23pF, SG-WLL-2-3 |
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| D21 | D_Small | Schottky diode |
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| D23 | LED Green | Light emitting diode |
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| J1 | Conn_01x06 | Generic connectable mounting pin connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2-J4 | Conn_Coaxial | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
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| J5,J6 | Conn_01x05 | Generic connectable mounting pin connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J7-J9,J11,J16-J18 | Conn_01x04 | Generic connectable mounting pin connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/),Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/),Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J10,J15 | Conn_01x03 | Generic connectable mounting pin connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J12-J14 | Conn_01x02 | Generic connectable mounting pin connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| K1 | G2RL-1-E | General Purpose Low Profile Relay SPDT Through Hole High Capacity, Omron G2RL series, 16A 250VAC |
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| L1-L18 | L_Ferrite | Inductor with ferrite core |
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| R1,R31,R33,R55,R56 | 4k7 | Resistor |
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| R2,R7-R25,R28-R30,R32,R38-R40,R43,R44 | 10k | Resistor |
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| R3,R4,R26,R27,R35,R45 | 1k | Resistor |
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| R5 | 220 | Resistor |
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| R6 | 470 | Resistor |
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| R34 | 30k | Resistor |
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| R36,R48,R50,R52 | 0R | Resistor |
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| R37,R47,R49,R51 | NF | Resistor |
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| R41,R42,R46,R53,R54 | 3k3 | Resistor |
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