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Thinkpad4by3
Electrostatic CRT driver designed from the ground up for performance, versatility and ease-of-manufacturability
| Reference | Value | Description |
|---|---|---|
| Q1,Q3,Q6,Q8,Q9,Q11,Q14,Q16,Q17,Q19,Q22,Q24,Q25,Q27,Q30,Q32 | FMMT458TA | 0.225A Ic, 400V Vce, NPN Transistor, SOT-23 |
| Q2,Q4,Q5,Q7,Q10,Q12,Q13,Q15,Q18,Q20,Q21,Q23,Q26,Q28,Q29,Q31 | FMMT558TA | 0.225A Ic, 400V Vce, PNP Transistor, SOT-23 |
| U1,U2 | AP2205-ADJ | 150mA low dropout adjustable linear regulator, wide input voltage range, SOT-23-5 package |
| U3,U4 | LT8365 | |
| U5 | W25Q128JVS | 128Mbit / 16MiB Serial Flash Memory, Standard/Dual/Quad SPI, 2.7-3.6V, SOIC-8 |
| U6 | RP2040 | A microcontroller by Raspberry Pi |
| U7,U8 |
| 2-Channel 12-Bit D/A Converters with SPI Interface and Internal Reference (2.048V) |
| U9-U12 | LMH6639 | Single Supply, 345 MHz, Rail-to-Rail Output, Amplifier, TSOT-23-6 |
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| C1-C4,C11,C12,L1,L2 | 10u | Inductor,Unpolarized capacitor |
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| C5,C6,C33,C36,C39,C42 | 1n | Unpolarized capacitor,Unpolarized capacitor, small symbol |
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| C7,C8,C13-C15,C21,C23 | 1u | Unpolarized capacitor,Unpolarized capacitor, small symbol |
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| C9,C10 | 0.22u | Unpolarized capacitor |
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| C16,C19,C20,C22,C24-C31,C44-C47 | 0.1u | Unpolarized capacitor, small symbol |
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| C17,C18 | 15p | Unpolarized capacitor, small symbol |
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| C32,C35,C38,C41 | 2p | Unpolarized capacitor, small symbol |
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| C34,C37,C40,C43 | 39p | Unpolarized capacitor, small symbol |
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| D1-D3 | D | Diode |
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| D4-D6,D9 | LED | Light emitting diode |
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| D7 | 4.1V | Zener diode |
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| D8 | 11V | Zener diode |
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| F1 | 2A | Fuse |
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| J1 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
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| J2 | POWER INPUT | Generic connector, single row, 01x02, script generated |
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| J3 | OFFSET REFERENCE | Generic connector, single row, 01x03, script generated |
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| J4 | DEFLECTION OUT | Generic connector, single row, 01x05, script generated |
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| R1,R2 | 5.1k | Resistor, small US symbol |
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| R3,R5,R8,R12,R13,R81,R82,RV1-RV5 | 100k | Potentiometer, US symbol,Resistor, small US symbol |
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| R4 | 19.7k | Resistor, small US symbol |
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| R6,R7 | 84.5k | Resistor, US symbol |
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| R9,R10 | 107k | Resistor, US symbol |
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| R11 | 14.3k | Resistor, small US symbol |
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| R14 | 162k | Resistor, small US symbol |
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| R15,R16 | 22 | Resistor, US symbol |
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| R17,R19 | 1Meg | Resistor, US symbol |
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| R18 | 12.7k | Resistor, US symbol |
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| R20 | 6.3k | Resistor, US symbol |
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| R21,R25,R29,R30,R42,R43,R55,R56,R68,R69 | 10k | Resistor, small US symbol |
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| R22,R84 | 1k | Resistor, small US symbol |
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| R23,R24 | 27.4 | Resistor, small US symbol |
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| R26,R27,R32,R33,R35-R40,R45,R46,R48-R53,R58,R59,R61-R66,R71,R72,R74-R77 | 2k | Resistor, small US symbol |
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| R28,R41,R54,R67 | 200k | Resistor, small US symbol |
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| R31,R34,R44,R47,R57,R60,R70,R73 | 5k | Resistor, small US symbol |
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| R78-R80,R83 | 220 | Resistor, small US symbol |
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| SW1 | RESET | Omron B3FS 6x6mm single pole normally-open tactile switch |
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| SW2 | PROG | Omron B3FS 6x6mm single pole normally-open tactile switch |
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| TP1 | SWCLK | test point |
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| TP2 | SWD | test point |
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| TP3 | GND | test point |
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| Y1 | ABM8-272-T3 | Four pin crystal, GND on pins 2 and 4 |
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