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2 layers34 × 93.5 mm1222 LMNC VCO, the printed circuit board in 3D

This is a breakout board for the CEM3340/AS3340 chip. It is designed to be relatively simple for beginners to put together and to have flexible mounting options.

Size
34 × 93.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
42
Nets
38
Pads
130
Tracks, vias
242, 6
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
11 Oct 2021
Updated
30 Jan 2022

Overview

1222 LMNC VCO is an open-source printed circuit board by Sonosus, from the Sonosus/3340Breakout repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 34 × 93.5 mm with 42 parts on 38 nets, routed with 242 tracks and 6 vias.

Its parts include 20 resistors, 10 capacitors, 2 ICs and 2 connectors.

README

README.md

View this project on CADLAB.io.

3340Breakout

CC BY-SA 4.0

This is a breakout board for the CEM3340/AS3340 chip. It is designed to be relatively simple for beginners to put together and to have flexible mounting options. If you do not require certain features such as pulse width control, hard sync, frequency modulation control, or a triangle, square, or ramp wave, it is possible to omit components so as to avoid the unwanted features.

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

CC BY-SA 4.0

This project is certified open source hardware.

Parts

42
QtyValueFootprintReferences
5100nfSonosus:Capacitor_NonPolarizedC1, C2, C3, C5, C12
3100KSonosus:ResistorR16, R18, R19
210ufCapacitor_THT:CP_Radial_D6.3mm_P2.50mmC8, C9
21MSonosus:ResistorR1, R22
21nfSonosus:Capacitor_NonPolarizedC4, C6
2470RSonosus:ResistorR2, R9
2470kSonosus:ResistorR14, R15
2FERRITESonosus:ResistorR6, R7
11.8kSonosus:ResistorR10
110k TRACKPotentiometer_THT:Potentiometer_Bourns_3296W_VerticalRV1
110k/47kSonosus:ResistorR11
110nfSonosus:Capacitor_NonPolarizedC7
11KSonosus:ResistorR12
11M5Sonosus:ResistorR4
120k HF TRACKPotentiometer_THT:Potentiometer_Bourns_3296W_VerticalRV6
124KSonosus:ResistorR3
1470KSonosus:ResistorR13
14k7Sonosus:ResistorR17
15K6Sonosus:ResistorR5
1680RSonosus:ResistorR8
1AS3340Package_DIP:DIP-16_W7.62mm_Socket_LongPadsU3
1CV LVL 100kConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalTUNE
1PCB INTERCONNECT MAINConnector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_VerticalJ2
1POWER INPUTSonosus:Power_HeaderJ1
1PW 100kConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalPW
1PWMLVL 100kConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalPW ATT
1TL074Sonosus:DIP-14_SocketU1

The 39 most common of 42 parts.

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Questions

How big is the 1222 LMNC VCO PCB?

It measures 34 × 93.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 1222 LMNC VCO use?

42 parts. 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 1222 LMNC VCO KiCad files?

From the Sonosus/3340Breakout repository on GitHub, at the commit this page was made from: the board is PCB/1222 LMNC VCO .kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the 1222 LMNC VCO design in my own project?

Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).