2 layers100 × 100 mm
Chroma luma invert
cyberboy666/chroma_luma_invert
analog video colour and brightness effect - adapted from a rob schafer design
65 partsGPL-3.0
2 layers100 × 100 mm
Sync ope
cyberboy666/sync_ope52effect send + sync restoring circuit - adapted from a gael jaton design
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 78
- Nets
- 75
- Pads
- 284
- Tracks, vias
- 578, 7
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 27 Oct 2019
- Updated
- 29 Apr 2025
Overview
Sync ope is an open-source printed circuit board by cyberboy666, from the cyberboy666/sync_ope repository on GitHub. It is a 2-layer board of 100 × 100 mm with 78 parts on 75 nets, routed with 578 tracks and 7 vias.
It is built around the AD8072JN, LM1881 and 74HC4538D, with the 74HC4053D and BAT46 among its other parts. Its parts include 21 resistors, 20 capacitors, 11 connectors, 8 ICs and 7 diodes.
Main components
5
AD8072JN
PDIP-8100MHz 2 3.5mA 30mA 500V/us ESD Protection PDIP-8 Video Amplifiers ROHSAnalog DevicesVideo Amplifiers
LM1881
SOP-80℃~+70℃@(Ta) 5V~12V Splitter SOP-8 Video Interface ICs ROHSSlkorVideo Interface ICs
74HC4538D
SOP-16-40℃~+125℃ 160uA 2 25ns 2V~6V 5.2mA 5.2mA 74HC Complementary type Monostable Schmitt trigger SOP-16 Monostable Multivibrators ROHSNexperiaMonostable Multivibrators
74HC4053D
SO-16-40℃~+125℃ 20ns 21ns 2:1 2V~10V 3 5ns 80Ω SOIC-16 Analog Switches, Multiplexers ROHSNexperiaAnalog Switches, Multiplexers
BAT46
DO-35Schottky DiodesSTMicroelectronics
README
panel/default_panel/readme.mdsync_ope default_panel notes
- the mounting holes fit m3 screws
- 25mm screws will fit front_panel, pcb and back_plate
- the front_panel mounts to pcb with 12mm standoffs
- will need to lie large caps and regulators down to fit panel
- blanking calibration trimpots can still be set with tool such as screwdriver
- the default potentiometers in underscores BOMs have 12mm shaft lengths - consider replacing these with >17mm shaft length alternatives if you plan to use it with a panel
Parts
78| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | 0.1u | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C4, C10, C11, C12, C13, C14, C15, C16, C17, C18, C23, C24, C25 |
| 5 | 1.5k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2, R4, R5, R12, R13 |
| 4 | rca | lib_fp:tht_vertical_rca | J1, J6, J9, J10 |
| 3 | 75 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R9, R16 |
| 3 | mono_jack_3.5mm | lib_fp:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4, J5, J8 |
| 2 | 100uH | Inductor_THT:L_Radial_D10.0mm_P5.00mm_Neosid_SD12k_style3 | L1, L2 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R14, R19 |
| 2 | 1n5819 | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D1, D2 |
| 2 | 1nf_poly | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C19, C21 |
| 2 | 20k_trim | lib_fp:tht_vertical_trim_3362 | RV3, RV5 |
| 2 | 2200u | Capacitor_THT:CP_Radial_D13.0mm_P5.00mm | C2, C3 |
| 2 | 74HC4538 | Package_DIP:DIP-16_W7.62mm_LongPads | U5, U6 |
| 2 | LM2575-5.0BT | Package_TO_SOT_THT:TO-220-5_Vertical | U2, U3 |
| 2 | bat46 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D6, D8 |
| 1 | 0.1u_poly | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C20 |
| 1 | 100 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R6 |
| 1 | 10k_pot | lib_fp:Potentiometer_Vertical_Large | RV1 |
| 1 | 10k_trim | lib_fp:tht_vertical_trim_3362 | RV4 |
| 1 | 12k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R22 |
| 1 | 15k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R20 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R18 |
| 1 | 1n4007 | Diode_THT:D_DO-35_SOD27_P10.16mm_Horizontal | D7 |
| 1 | 1uf_poly | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C22 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R11 |
| 1 | 220u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 39k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R8 |
| 1 | 470k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R10 |
| 1 | 47k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R15 |
| 1 | 510 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3 |
| 1 | 5k_trim | lib_fp:tht_vertical_trim_3362 | RV2 |
| 1 | 680k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R17 |
| 1 | 68k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R21 |
| 1 | 74HC4053 | Package_DIP:DIP-16_W7.62mm_LongPads | U8 |
| 1 | AD8072 | lib_fp:DIP-SOIC-8 | U1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | LED | LED_THT:LED_D3.0mm | D5 |
| 1 | LM1881 | lib_fp:DIP-SOIC-8 | U7 |
| 1 | LT1251 | lib_fp:DIP+SOIC_14 | U4 |
| 1 | barrel_jack | lib_fp:BarrelJack_Horizontal | J2 |
| 1 | diy_power_header | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | europower | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical | J3 |
| 1 | zener_1.8v | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D3 |
The 74 most common of 78 parts.
Questions
How big is the Sync ope PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sync ope use?
78 parts, built around the AD8072JN, LM1881, 74HC4538D and 74HC4053D. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Sync ope KiCad files?
From the cyberboy666/sync_ope repository on GitHub, at the commit this page was made from: the board is hardware/sync_ope.kicad_pcb and its schematic hardware/blanking.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sync ope design in my own project?
Its repository states no licence, so its author keeps all rights: ask cyberboy666 before reusing the design.
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