2 layers50 × 19 mm
2 layers40 × 18 mm
VCF VCA SIP - Copy (2)
minisystem/SIP-Modules11Analogue SIP modules
- Size
- 40 × 18 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 43
- Nets
- 41
- Pads
- 158
- Tracks, vias
- 33, 4
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 27 Dec 2014
- Updated
- 2 Mar 2015
Overview
VCF VCA SIP - Copy (2) is an open-source printed circuit board by minisystem, from the minisystem/SIP-Modules repository on GitHub. It is a 2-layer board of 40 × 18 mm with 43 parts on 41 nets, routed with 33 tracks and 4 vias.
It is built around the LM13700M and BC857BS. Its parts include 30 resistors, 6 capacitors, 5 ICs, 1 transistor and 1 connector.
Main components
2
LM13700M
SOIC-16-16V~-4.75V、4.75V~16V 0℃~+70℃ 110dB 2 2.6mA 20mA 400nA 4mV 50V/us 600nA 9.5V~32V SOIC-16 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
BC857BS
SOT-363-55℃~+150℃ 15nA 2 PNP 200MHz 200mA 220 300mV 300mW 45V 5V PNP SOT-363 Bipolar (BJT) ROHSYangzhou Yangjie Electronic TechnologyBipolar (BJT)
README
VC-ADSR-SIP/README.mdVoltage Controlled ADSR Envelope Generator
This is a voltage controlled Envelope Generator (EG) with Attack, Decay, Sustain and Release stages in a 30 mm x 18 mm 12 pin SIP package. It is derived from similar designs by Massimo Ischia and Scott Rider (OldCrow) with modifications to respond to 0-10V control voltages and to produce a 0-10V output.
Massimo Ischia's version: http://digilander.libero.it/ismsynth/vc-adsr-1.2.jpg
Scott Rider's version: http://www.muffwiggler.com/forum/viewtopic.php?p=1151245 (scroll down for schematic in thread)
Notes
Ideally, I'd like to eliminate the trimmers for Attack and Decay/Release times. I tried doing this in an early revision but needed to tweak the resistor values more than I expected so reverted to trimmers. However, in subsequent revisions I've hardly needed to make any adjustments at all. A 0603 or 0805 resistor should be able to bridge the T1 and T2 footprints.
Q1's schematic symbol has a pin numbering that swapped the emitter (pin 1) and base (pin 2) when used with the default SOT23 footprint. I fixed this by swapping the pad numbers on the SOT23 footprint module, but this change applies to this project only.
This project was created in Kicad 4022 but routed in 5112 using the CERN push and shove router. This means that the CvPcb footprint association uses the legacy library format and not the new library table format. I haven't tried to do the conversion yet.
Parts
43| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 68K | SM0603-JRL | R5, R7, R9, R11, R13, R15, R17 |
| 6 | 560 | SM0603-JRL | R4, R8, R12, R16, R24, R25 |
| 4 | 18K | SM0603-JRL | R6, R10, R14, R18 |
| 4 | 270pF | SM0603-JRL | C2, C3, C4, C5 |
| 3 | 1.5K | SM0603-JRL | R2, R21, R22 |
| 3 | 100K | SM0603-JRL | R20, R27, R30 |
| 3 | LM13700 | SO16-JRL | U1, U3, U4 |
| 2 | 150K | SM0603-JRL | R3, R19 |
| 2 | 47pF | SM0603-JRL | C1, C6 |
| 1 | 1.5M | SM0603-JRL | R1 |
| 1 | 10K | SM0603-JRL | R28 |
| 1 | 1K 3300 ppm/K | SM0805-HAND | R29 |
| 1 | 4.7K | SM0603-JRL | R23 |
| 1 | 47K | SM0603-JRL | R26 |
| 1 | BC857BS | SOT363-JRL | Q1 |
| 1 | CONN_10 | CONN_10X_0100_SMD_THRUHOLE | P1 |
| 1 | TL072- | TSSOP8-JRL | U5 |
| 1 | TL074- | TSSOP14 | U2 |
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Questions
How big is the VCF VCA SIP - Copy (2) PCB?
It measures 40 × 18 mm and has 2 copper layers, 1.6 mm thick.
What parts does the VCF VCA SIP - Copy (2) use?
43 parts, built around the LM13700M and BC857BS. 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 VCF VCA SIP - Copy (2) KiCad files?
From the minisystem/SIP-Modules repository on GitHub, at the commit this page was made from: the board is VCF-VCA-SIP - Routing/VCF-VCA-SIP - Copy (2).kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the VCF VCA SIP - Copy (2) design in my own project?
Its repository states no licence, so its author keeps all rights: ask minisystem before reusing the design.