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Expander cv output

doctea·usb_midi_clocker_hardware·expander_cv_output/expander_cv_output/expander_cv_output.kicad_pcb

Expander cv output PCB layout, top view — open source board by doctea

About the Expander cv output PCB

Expander cv output is an open source PCB design by doctea, published on GitHub. It is a 2-layer board measuring 40.9 × 108 mm, with 76 components from 27 distinct parts.

Other key parts include the TL074, LM4040DBZ-5, LD1117S33TR_SOT223 and LM4040DBZ-33. By type, the board carries 26 resistors, 19 capacitors, 5 ICs, 5 connectors, 4 LEDs and 2 diodes.

It belongs with the audio designs in this gallery.

From the project

https://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWEA2aAWB8CcBmSy0AOBBAdkJDMsskoFMBaMMAKADcQGcAmEbwil15ZkUcCDS1u0JNKS0YCFgHNOPPgLW8cOUQpYAnLSBEo0JveHiGzF8FmGXu3OCwDu93mGS0wDvpAUkO62pgTgPlAh4d60Mf7BHuHO5smkvMEAhrYuFH68uSB5vExe8PAgONA4fliEWGjcCMiEyG2EpJXVZeXBAPKVugEUa

https://www.falstad.com/circuit/circuitjs.html?ctz=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-pxwkROC6JKDlvqkPIZXsACLnADCfBstsKOlEhV81gA9mJwrR…

Main components on the Expander cv output

TL074LM4040DBZ-5LD1117S33TR_SOT223LM4040DBZ-33

Expander cv output bill of materials (BOM)

76 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
TL074
U1, U2
1
LM4040DBZ-5
U3
1
LD1117S33TR_SOT223
U4
1
LM4040DBZ-33
U5
2
CONN_02X05_ODD_EVEN
Conn_02x05_Odd_Even
J2, J7
1
SDA pullup
J3
1
SCL pullup
J4
1
CONN_02X08_COUNTER_CLOCKWISE
Conn_02x08_Counter_Clockwise
J5
4
Conn_01x03_Pin
ADDR_A0, ADDR_A1, ADDR_A2, ADDR_A3
1
ADS1015 digital side
ADS1015_2_DIG1
1
ADS1015 analog side
ASD1015_2_ANA1
1
DAC8574IPWG4
DAC1
1
Conn_02x08_Odd_Even
EURO_POWER1
7
PJ302M
JACK_A1, JACK_A2, JACK_B1, JACK_B2, JACK_C1, JACK_C2, JACK_D1
4
LED_Dual_Bidirectional
LED_A1, LED_B1, LED_C1, LED_D1
2
1N5817
D1, D2
12
100NF
100nF
C1, C2, C5, C6, C7, C9, C12, C13 +4
2
10uF
C3, C4
1
10UF
10uF
C8
4
22PF
22pF
C10, C11, C14, C15
Show 7 more
QtyPartRefs
3
10K
10k
R1, R5, R6
1
560
R2
2
150R
150r
R3, R4
8
1K
R7, R8, R13, R14, R17, R18, R23, R24
4
2.2K
2.2k
R9, R10, R19, R20
4
220
R11, R12, R21, R22
4
47
R15, R16, R25, R26

Expander cv output design files

The KiCad project lives in the doctea/usb_midi_clocker_hardware repository on GitHub; these links point at the commit this page was built from.

Expander cv output: common questions

How big is the Expander cv output PCB?

The Expander cv output measures 40.9 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Expander cv output?

76 components, from 27 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Expander cv output design files?

From the doctea/usb_midi_clocker_hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Expander cv output design in my own project?

The repository has no license, so all rights stay with doctea. Use it as a reference, and ask the author before reusing the design.

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