PCB AD9833 ADSR Featherwing

CedarGroveStudios·PCB_AD9833_ADSR_Featherwing·PCB/Waveform_Gen_ADSR.kicad_pcb

PCB AD9833 ADSR Featherwing layout, top view — open source board by CedarGroveStudios

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About the PCB AD9833 ADSR Featherwing

PCB AD9833 ADSR Featherwing is an open source PCB design by CedarGroveStudios, published on GitHub under the MIT license. It is a 2-layer board measuring 50.8 × 22.9 mm, with 25 components from 16 distinct parts.

Other key parts include the AD9833, LMV116 and AD5245. By type, the board carries 11 capacitors, 5 resistors, 3 ICs, 2 inductors, 1 module and 1 crystal.

It belongs with the audio and test & measurement designs in this gallery.

From the project

An amplitude-controlled version of the original AD9833 Waveform Generator FeatherWing.

Example MIDI synthesizer and sweep generator code is provided in the repository (sweep example video: https://youtu.be/O1vMfLoCWzg). MIDI synthesizer and sweep generator code was tested with a Feather M4 Express using CircuitPython version 4.1.0 rc-1.

MIDI note input was received by a Classic MIDI Interface FeatherWing from a variety of MIDI sources. See https://github.com/CedarGroveStudios/ClassicMIDIFeatherWing for details.

PCB AD9833 ADSR Featherwing, from the project README — From the project README

Main components on the PCB AD9833 ADSR Featherwing

AD9833 LMV116 AD5245

PCB AD9833 ADSR Featherwing bill of materials (BOM)

25 components, 16 distinct parts.

Qty	Part	Footprint	Refs
1	AD9833	MSOP-10_3x3mm_Pitch0.5mm	U1
1	LMV116	SOT-23-5_HandSoldering	U2
1	AD5245	SOT-23-8	U3
1	Feather_M4_Express	Adafruit_Feather_M4_Express_bare	M1
1	25.000MHZ	Oscillator_SMD_Abracon_ASV-4pin_7.0x5.1mm	X1
1	WAVE_OUT	Pin_Header_Straight_1x02_Pitch2.54mm	J6
1	200K	Potentiometer_Trimmer_Bourns_PV36W	RV1
2	0	L_0805	L1, L2
4	0.1uF	C_0805	C1, C2, C6, C8
2	0.01uF	C_0805	C3, C5
2	20pF	C_0805	C4, C10
3	10uF	C_0805	C7, C9, C11
1	470	R_0805	R1
1	25.5K	R_0805	R4
1	0	R_0805	R5
2	10K	R_0805	R6, R7

PCB AD9833 ADSR Featherwing design files

The KiCad project lives in the CedarGroveStudios/PCB_AD9833_ADSR_Featherwing repository on GitHub; these links point at the commit this page was built from.

LayoutPCB/Waveform_Gen_ADSR.kicad_pcb

PCB AD9833 ADSR Featherwing: common questions

How big is the PCB AD9833 ADSR Featherwing?

The PCB AD9833 ADSR Featherwing measures 50.8 × 22.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PCB AD9833 ADSR Featherwing?

25 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the PCB AD9833 ADSR Featherwing design files?

From the CedarGroveStudios/PCB_AD9833_ADSR_Featherwing repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the PCB AD9833 ADSR Featherwing design in my own project?

Yes, under the terms of its MIT license, which CedarGroveStudios chose for the repository.

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