microlink
brucemack
An open source EchoLink/AllStarLink implementation that runs on a simple microcontroller.
Components (37)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMG2305UX-13 | MOSFET P-CH 20V 4.2A SOT23 |
| U1 | LMV324 (Actually LTV9161) | 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 | NCP1117-3.3_SOT223 | 1A Low drop-out regulator, Fixed Output 3.3V, SOT-223 |
| U4 | MCP4725xxx-xCH | 12-bit Digital-to-Analog Converter, integrated EEPROM, I2C interface, SOT-23-6 |
| U7 | LM4040DBZ-3 | 3.000V Precision Micropower Shunt Voltage Reference, SOT-23 |
| C1,C2 | 10u | Unpolarized capacitor, small symbol |
| C3,C26 | 22n | Unpolarized capacitor |
| C4,C27 | 10n | Unpolarized capacitor |
| C5,C7-C9,C11,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 |
| C17 | 1u | Unpolarized capacitor |
| C22 | NC | Unpolarized capacitor, small symbol |
| D1,D3,D4 | LED | Light emitting diode |
| D2 | BAT54S | Vr 30V, If 200mA, Dual schottky barrier diode, in series, SOT-323 |
| H1-H4 | MountingHole | Mounting Hole without connection |
| J1 | Conn_01x07 | Generic connector, single row, 01x07, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | 5-12V Supply | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | Conn_01x20 | Generic connector, single row, 01x20, script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP2 | Jumper_2_Bridged | Jumper, 2-pole, closed/bridged |
| R1,R15 | 1.5k | Resistor, US symbol |
| R2,R16 | 2.7k | Resistor, US symbol |
| R3,R18,R19,R23,R26 | 0R | Resistor,Resistor, US symbol,Resistor, small US symbol |
| R4 | 570 | Resistor, US symbol |
| R5,R6,RV1,RV2 | 10k | Potentiometer, US symbol,Resistor, small US symbol |
| R8 | 200 | Resistor, US symbol |
| R9,R24 | 1k | Resistor, US symbol |
| R10,R11 | 270k 1% | Resistor, US symbol |
| R12,R13 | 2.2k | Resistor, US symbol |
| R14 | R | Resistor |
| R17,R20,R22 | 220 | Resistor, small US symbol |
| R21 | 47 | Resistor, small US symbol |
| R25 | 33k | Resistor, US symbol |
| T1,T2 | Transformer_1P_1S | Transformer, single primary, single secondary |
| TP1 | AF Out | test point |
| TP2,TP3 | TestPoint | test point |