BOM-DAT/transistor-dat/transistor-array-dat/transistor-array-dat.md
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+
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+# transistor-array-dat
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+
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+- [[TI-logic-dat]]
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BOM-DAT/transistor-dat/transistor-dat.md
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@@ -12,6 +12,8 @@ common brand: Infineon
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- ref - https://www.censtry.com/blog/transistor-npn-vs-pnp-difference-between-pnp-and-npn-transistor.html
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+[[transistor-array-dat]]
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+
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## common used
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### S8050
Chip-dat/TI-dat/TI-logic-dat/TI-logic-dat.md
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@@ -1,10 +1,37 @@
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# TI-logic-dat
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-## SN75451B
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+## SN75451B == 75451
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https://www.ti.com/product/SN75451B
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https://www.ti.com/lit/ds/symlink/sn75451b.pdf?ts=1745835022127&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FSN75451B
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-![](2025-04-28-18-10-50.png)
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+SN5545xB, SN7545xB Dual-Peripheral Drivers for High-Current, High-Speed Switching
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+
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+1 Features
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+- Characterized for Use to 300 mA
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+- High-Voltage Outputs up to 30 V
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+- No Output Latch-Up at 20 V (After Conducting 300 mA)
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+- High-Speed Switching
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+- Open-Collector Outputs
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+- Circuit Flexibility for Varied Applications
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+- TTL-Compatible Diode-Clamped Inputs
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+- Standard Supply Voltages
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+
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+2 Applications
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+- High-Speed Logic Buffers
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+- Power Drivers
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+- Lamp Drivers
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+- LED Drivers
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+- Line Drivers
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+- Memory Drivers
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+
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+
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+
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+![](2025-04-28-18-10-50.png)
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+
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+
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+## ref
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+
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+- [[transistor-array-dat]] - [[transistor-dat]]
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Chip-dat/broadcom-dat/broadcom-dat.md
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# broadcom-dat
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+- [[HFBR-dat]]
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+
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- [[BCM2711-dat]]
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Chip-dat/chip-dat.md
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- [[fairchild-dat]] - [[NXP-dat]]
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-[[TI-dat]] - [[ti-motor-dat]] - [[ti-audio-dat]]
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+[[TI-dat]] - [[ti-motor-dat]] - [[ti-audio-dat]] - [[ti-logic-dat]]
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## function
PCB-dat/EDA-dat/kicad-dat/kicad-dat.md
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@@ -5,7 +5,7 @@
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- [[kicad-workflow-dat]] - [[kicad-plugin-dat]] - [[kicad-shortcuts-dat]]
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-- [[kicad-lib-dat]] - [[kicad-data-dat]]
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+- [[kicad-lib-dat]] - [[kicad-data-dat]] - [[kicad-setup-dat]]
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- [[kicad-simulation-dat]]
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PCB-dat/EDA-dat/kicad-dat/kicad-lib-dat/2025-04-29-15-16-53.png
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PCB-dat/EDA-dat/kicad-dat/kicad-lib-dat/kicad-footprint-dat.md
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+
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+# kicad-footprint-dat.md
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+
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+
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+## custom build footprint guide
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+
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+![](2025-04-29-15-16-53.png)
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+
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+## common used global library
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+
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+- connector_pinheader
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PCB-dat/EDA-dat/kicad-dat/kicad-lib-dat/kicad-symbol-dat.md
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+
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+# kicad-symbol-dat.md
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+
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+## custom build symbol guide
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+
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+## common used global symbol
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+
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+- Connector_generic_MountingPin
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+- jumper
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+
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+
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+
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+
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+
PCB-dat/EDA-dat/kicad-dat/kicad-setup-dat.md
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+
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+# kicad-setup-dat.md
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+
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+installation == D:\Program Files\KiCad\9.0\bin
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+
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+## preferences
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+
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+configure paths
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+
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+| Name | Path |
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+| ----------------------- | -------------------------------------------------- |
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+| KICAD9_3DMODEL_DIR | D:\Program Files\KiCad\9.0\share\kicad\3dmodels\ |
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+| KICAD9_3RD_PARTY | D:\HE2\Documents\KiCad\9.0\3rdparty |
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+| KICAD9_DESIGN_BLOCK_DIR | D:\Program Files\KiCad\9.0\share\kicad\blocks\ |
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+| KICAD9_FOOTPRINT_DIR | D:\Program Files\KiCad\9.0\share\kicad\footprints\ |
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+| KICAD9_SYMBOL_DIR | D:\Program Files\KiCad\9.0\share\kicad\symbols\ |
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+| KICAD9_TEMPLATE _DIR | D:\Program Files\KiCad\9.0\share/kicad/template |
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+| KICAD_USER_TEMPLATE_DIR | D:\HE2\Documents\KiCad\9.0\template\ |
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+
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+
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+## Available path substitutions:
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+
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+| variables | paths |
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+| -------------------- | ----------------------------------------------- |
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+| ${KICAD9_SYMBOL_DIR} | D:\Program Files\KiCad\9.0\share\kicad\symbols\ |
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+| ${KIPRJMOD} | D:\Dropbox\PCB\kicad\proj\USB-HFBR |
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PCB-dat/EDA-dat/kicad-dat/kidcad-workflow-dat/kicad-pcb-dat/2025-04-29-16-11-14.png
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PCB-dat/EDA-dat/kicad-dat/kidcad-workflow-dat/kicad-pcb-dat/2025-04-29-16-11-39.png
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PCB-dat/EDA-dat/kicad-dat/kidcad-workflow-dat/kicad-pcb-dat/2025-04-29-16-22-13.png
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PCB-dat/EDA-dat/kicad-dat/kidcad-workflow-dat/kicad-pcb-dat/kicad-pcb-dat.md
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@@ -35,11 +35,9 @@ pre-defined file: D:\Program Files\KiCad\8.0\share\kicad\template\Arduino_Nano
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- autoroute - by [[kicad-plugin-dat]]
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-- ground pour
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-
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-## PCB
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+## PCB Info
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commom layers
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* F for front and B for back
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-### PCB init setup
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+## PCB init setup
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![](2023-12-11-00-04-17.png)
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- 钻孔尺寸
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- 网格 1.0 mm
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- 缩放
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+
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+## Layout setup
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+
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+Simply Only use Trace x.CU, Silkscreen layer x.Silkscreen, and Edge.Cuts
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+
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+![](2025-04-29-16-22-13.png)
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+
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+
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+## routing PCB
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+
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+![](2025-04-29-16-11-14.png)
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+
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+![](2025-04-29-16-11-39.png)
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+
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+
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+## Modify PCB
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+
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+
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+## Filled Zones (ground pour)
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+
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+Edit - Fill All Zones (B or Ctrl+B)
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+
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+
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+
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+## export gerber
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+
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+output folder ./
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Tech-dat/Network-dat/fiber-optic-dat/fiber-optic-cable-dat/POF-dat/HFBR-dat/2025-04-29-14-34-51.png
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Tech-dat/Network-dat/fiber-optic-dat/fiber-optic-cable-dat/POF-dat/HFBR-dat/HFBR-dat.md
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## HFBR series
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+- [[HFBR-0500Z-Series-dat]] - [[HFBR-x4xx-dat]]
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+
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HFBR-4501 / HFBR-4511 == TX / RX
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![](2025-04-25-01-23-07.png)
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HFBR-4505对接器（灰色） / HFBR-4515对接器（蓝色）
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+
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+
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+## AFBR-0553Z Evaluation Kit
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+
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+DC-to-50 MBd 650-nm Link with RSSI Versatile Link Fiber Optic Evaluation Kit
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+
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+![](2025-04-29-14-34-51.png)
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+
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## ref
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- [[TOSlink-dat]]
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Tech-dat/Network-dat/fiber-optic-dat/fiber-optic-cable-dat/POF-dat/HFBR-dat/HFBR-x4xx-dat/2025-04-29-14-36-48.png
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Binary files /dev/null and b/Tech-dat/Network-dat/fiber-optic-dat/fiber-optic-cable-dat/POF-dat/HFBR-dat/HFBR-x4xx-dat/2025-04-29-14-36-48.png differ
Tech-dat/Network-dat/fiber-optic-dat/fiber-optic-cable-dat/POF-dat/HFBR-dat/HFBR-x4xx-dat/HFBR-x4xx-dat.md
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+# HFBR-x4xx-dat
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+The series includes HFBR-2412TZ and HFBR-1414TZ
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+
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+HFBR-14xxZ and HFBR-24xxZ Series Low-Cost, 820-nm Miniature Link Fiber-Optic Components with ST, SMA, SC, and FC Ports
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+
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+
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+## APPs
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+
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+![](2025-04-29-14-36-48.png)
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+
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+
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+## ref
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+
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+- [[broadcom-dat]] - [[TI-logic-dat]]
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+
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+
Tech-dat/tech-dat.md
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## EDA
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-- [[EDA-dat]]
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+- [[EDA-dat]] - [[kicad-dat]] - [[eagle-dat]]
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## simulator
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-- [[EDA-simulation]]
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+- [[EDA-simulation-dat]]
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## Mechnicals