PLL with switch
ntua-el20199·PLL·PCB/PLL with switch/PLL_with_switch.kicad_pcb
About the PLL with switch PCB
PLL with switch is an open source PCB design by ntua-el20199, published on GitHub. It is a 2-layer board measuring 44.6 × 52.1 mm, with 31 components from 18 distinct parts.
Other key parts include the LM324AN, 74HC00N, 74HCT74N and SN74HC14N. By type, the board carries 12 resistors, 5 ICs, 4 diodes, 3 connectors, 3 capacitors and 2 transistors.
From the project
This project encompasses the design, simulation, and documentation of a Phase-Locked Loop (PLL) circuit. It includes PCB layouts created with KiCad and circuit simulations performed with LTSpice.
This project encompasses the design, simulation, and documentation of a Phase-Locked Loop (PLL) circuit. It includes PCB layouts created with KiCad and circuit simulations performed with LTSpice.
PCB/: Contains all KiCad project files related to the Printed Circuit Board (PCB) design of the PLL. PCB/prototype/: KiCad project files for a prototype version of the PLL PCB. PCB/testing/: KiCad project files used for testing purposes. PCB/simulatorkicad/`**: KiCad projects tailored for circuit simulation, integrating SPICE models.

Main components on the PLL with switch
PLL with switch bill of materials (BOM)
31 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM324AN | N14 | U1 |
| 1 | 74HC00N | SOT27-1_NEX | U2 |
| 2 | 74HCT74N | SOT27-1_NEX | U3, U6 |
| 1 | SN74HC14N | N14 | U4 |
| 1 | BS170 | TO-92_Inline | Q1 |
| 1 | JANTX2N2907A | TO-18TO-206AA_MCH | Q2 |
| 3 | Screw_Terminal_01x02 | TerminalBlock_Altech_AK300-2_P5.00mm | J1, J2, J3 |
| 1 | 2N2222A | TO-18_STM | CR2 |
| 1 | 1-1825289-0 | SW8_MHS233_TEC | SW2 |
| 4 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4 |
| 1 | 1n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1 |
| 1 | 470n | C_Rect_L7.0mm_W6.0mm_P5.00mm | C2 |
| 1 | 47n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C3 |
| 3 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3 |
| 1 | 56k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4 |
| 3 | 27k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5, R6, R7 |
| 3 | 33k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8, R9, R10 |
| 2 | 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R11, R12 |
PLL with switch design files
The KiCad project lives in the ntua-el20199/PLL repository on GitHub; these links point at the commit this page was built from.
PLL with switch: common questions
How big is the PLL with switch PCB?
The PLL with switch measures 44.6 × 52.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PLL with switch?
31 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the PLL with switch design files?
From the ntua-el20199/PLL repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the PLL with switch design in my own project?
The repository has no license, so all rights stay with ntua-el20199. Use it as a reference, and ask the author before reusing the design.