Deflection board 2
About the Deflection board 2
Deflection board 2 is an open source PCB design by Thinkpad4by3, published on GitHub. It is a 2-layer board measuring 91.5 × 90.3 mm, with 144 components from 78 distinct parts.
Other key parts include the LM5155DSSR, TLV314QDBVR, PC817, TL431DBZ and AP2204K-5.0. By type, the board carries 64 resistors, 32 transistors, 28 capacitors, 8 ICs, 7 connectors and 1 inductor.
From the project
Electrostatic CRT driver designed from the ground up for performance, versatility and ease-of-manufacturability
The 2nd board is the deflection board, which consists of all the required components to take any sort of vector control X/Y signal and amplify it to the +/- 150V required to move the beam around. This board is compatible with almost every type of ES-CRT, including single ended deflection type tubes. All plates are driven by 300Vpk-pk 500KHz bandwidth amplifiers, where gain/offset can be used to control picture size, and neutral voltage can set for astigmatism. Amplifiers are of a class-AB variety, and are closed loop for minimal distortion, and are powered by their own local bi-polar power…
Main components on the Deflection board 2
Deflection board 2 bill of materials (BOM)
144 components, 78 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | LM5155DSSR LMH6639 | TSOT-23-6 | U1, U3 |
| 1 | TLV314QDBVR LMH6639 | TSOT-23-6 | U2 |
| 1 | PC817 LMH6639 | TSOT-23-6 | U4 |
| 1 | LM5155DSSR AP2204K-ADJ | SOT-23-5 | U5 |
| 1 | TL431DBZ LMH6551MA | SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | AP2204K-5.0 LMH6551MA | SOIC-8_3.9x4.9mm_P1.27mm | U7 |
| 1 | AP2204K-5.0 AP2204K-ADJ | SOT-23-5 | U8 |
| 2 | CSD19537Q3 FMMT458TA | SOT-23 | Q1, Q2 |
| 1 | CSD19537Q3 FMMT558TA | SOT-23 | Q3 |
| 1 | STN0214 FMMT558TA | SOT-23 | Q4 |
| 14 | FMMT558TA | SOT-23 | Q5, Q6, Q10, Q12, Q13, Q15, Q18, Q20 +6 |
| 14 | FMMT458TA | SOT-23 | Q7, Q8, Q9, Q11, Q14, Q16, Q17, Q19 +6 |
| 1 | CONN_01X02_PIN Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | A3_EN Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 2 | C81276 Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J3, J4 |
| 1 | A3_EN MAIN BOARD CONNECTOR | Molex_KK-396_5273-09A_1x09_P3.96mm_Vertical | J5 |
| 1 | A3_EN RCJ-011 | CUI_RCJ-011 | J6 |
| 1 | C239396 RCJ-011 | CUI_RCJ-011 | J7 |
| 2 | 5k | Potentiometer_Bourns_3296W_Vertical | RV6, RV8 |
| 2 | 47k | Potentiometer_Bourns_3296W_Vertical | RV7, RV9 |
Show 58 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | L | L_APV_ANR4018 | L1 |
| 2 | 220P 68p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C20 |
| 1 | 10U 2p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
| 1 | 10U 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 4 | 220N 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C6, C8, C17 |
| 4 | 100N 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C7, C16, C18 |
| 1 | 100N 2p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9 |
| 1 | 470P 68p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10 |
| 1 | 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11 |
| 1 | 220P 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12 |
| 1 | 47N 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13 |
| 1 | 22N 2p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C14 |
| 1 | 100P 68p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C15 |
| 1 | 220N 2p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C19 |
| 2 | 10U 0.1u | C_0603_1608Metric | C21, C22 |
| 1 | 220N 1u | C_0603_1608Metric | C23 |
| 1 | 100N 1u | C_0603_1608Metric | C24 |
| 1 | 470P 10u | C_0603_1608Metric | C25 |
| 1 | 10u | C_0603_1608Metric | C26 |
| 2 | 220P 10u | C_0603_1608Metric | C27, C30 |
| 1 | 3.9K 2k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1 |
| 1 | 50K 200k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2 |
| 2 | 50K 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R29 |
| 1 | 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R4 |
| 4 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R24, R33 |
| 4 | 5k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R7, R8, R25, R28 |
| 2 | 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R9, R10 |
| 1 | 22K 2k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R11 |
| 1 | 100K 200k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R12 |
| 3 | 1MEG 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R14, R63 |
| 1 | 470 5k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R15 |
| 5 | 1MEG 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R16, R19, R20, R39, R40 |
| 2 | 1MEG 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17, R37 |
| 3 | 1MEG 5k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R18, R35, R38 |
| 5 | 1MEG 2k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R21, R41, R42, R43, R44 |
| 1 | 1MEG 200k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R22 |
| 1 | 4.7K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23 |
| 1 | 3.9K 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R26 |
| 1 | 50K 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R27 |
| 1 | 100 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R30 |
| 1 | 2k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R31 |
| 1 | 200k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R32 |
| 1 | 22K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R34 |
| 1 | 100K 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R36 |
| 1 | 1MEG 6.25k | R_0603_1608Metric | R45 |
| 1 | 470 6.25k | R_0603_1608Metric | R46 |
| 1 | 50K 3.75k | R_0603_1608Metric | R47 |
| 1 | 100 3.75k | R_0603_1608Metric | R48 |
| 1 | 50K R_US | R_0805_2012Metric | R49 |
| 2 | R_US | R_0805_2012Metric | R50, R52 |
| 1 | 33K R_US | R_0805_2012Metric | R51 |
| 2 | 10k | R_0603_1608Metric | R53, R54 |
| 1 | 20K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R59 |
| 2 | 1MEG 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R61, R65 |
| 3 | 1MEG 2.2k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R62, R66, R70 |
| 1 | 6.8K 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R67 |
| 1 | 100K 2.2k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R68 |
| 1 | 10K 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R69 |
Deflection board 2 design files
The KiCad project lives in the Thinkpad4by3/chibitron repository on GitHub; these links point at the commit this page was built from.
Deflection board 2: common questions
How big is the Deflection board 2?
The Deflection board 2 measures 91.5 × 90.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Deflection board 2?
144 components, from 78 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Deflection board 2 design files?
From the Thinkpad4by3/chibitron repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Deflection board 2 design in my own project?
The repository has no license, so all rights stay with Thinkpad4by3. Use it as a reference, and ask the author before reusing the design.
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