microlink
brucemack
An open source EchoLink/AllStarLink implementation that runs on a simple microcontroller.
Components (38)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMG2305UX-13 | MOSFET P-CH 20V 4.2A SOT23 |
| U1 | TLV9164PWR | Quad Low-Voltage Rail-to-Rail Output Operational Amplifier, SOIC-14/SSOP-14 |
| U2,U5 | LTV-356T | DC Optocoupler, Vce 80V, CTR 50%, SO-4 |
| U3 | LM1117MP-3.3 | 800mA Low-Dropout Linear Regulator, 3.3V fixed output, SOT-223 |
| U4 | MCP4725A0T-E/CH | 12-bit Digital-to-Analog Converter, integrated EEPROM, I2C interface, SOT-23-6 |
| U7 | LM4040D30IDBZR | 3.000V Precision Micropower Shunt Voltage Reference, SOT-23 |
| C1,C2 | 22u | Unpolarized capacitor, small symbol |
| C3,C26 | 22n | Unpolarized capacitor |
| C4,C27 | 10n | Unpolarized capacitor |
| C5,C7-C9,C11,C17,C19,C20 | 47u | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C6,C18,C21 | 0.1u | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C10 | 47u (Optional DC Block) | Polarized capacitor, small US symbol |
| D1 | Red | Light emitting diode |
| D2 | BAT54S | Vr 30V, If 200mA, Dual schottky barrier diode, in series, SOT-323 |
| D3 | Blue | Light emitting diode |
| D4 | Green | Light emitting diode |
| J1 | DE9_Receptacle | 9-pin female receptacle socket D-SUB connector |
| J2 | PJ-102AH | |
| J3 | Conn_01x20 | Generic connector, single row, 01x20, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R15 | 1.5k | Resistor, US symbol |
| R2,R16 | 2.7k | Resistor, US symbol |
| R3,R18 | 0R | Resistor,Resistor, US symbol |
| R4 | 620 | Resistor, US symbol |
| R5,R6,R12,R13,R24 | 2.2k | Resistor, US symbol,Resistor, small US symbol |
| R7 | 10 | Resistor, US symbol |
| R8,R19 | 220 | Resistor, US symbol |
| R9 | 1k | Resistor, US symbol |
| R10 | 330k 1% | Resistor, US symbol |
| R11 | 270k 1% | Resistor, US symbol |
| R17,R20,R22 | 100 | Resistor, small US symbol |
| R21 | 4.7 | Resistor, small US symbol |
| R25 | 39k | Resistor, US symbol |
| R26 | 0R 1206 | Resistor, small US symbol |
| RV1,RV2 | 50k | Potentiometer, US symbol |
| S1 | Pico W Module | |
| SW0 | TS04-66-55-BK-160-SMT | |
| TR1,TR2 | SM-LP-5001 | Bourns Audio Transformer 1:1 Center Tap |