Signal Processing Modules Assembly
Set of essential modules: VCO (oscillator), VCF (filter), VCA (amplifier), ADSR envelope, and mixer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
5 top-level lines · 23 rows shown · 28 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | VCO (Voltage-Controlled Oscillator) 4 parts | modular-synthesizer-vco | 1× | 1 | 6 | assembly |
| 1.1 | Oscillator Opamp | modular-synthesizer-vco-opamp | 1× | 1 | — | part |
| 1.2 | Pitch CV Input | modular-synthesizer-vco-input | 1× | 1 | — | part |
| 1.3 | Waveform Output | modular-synthesizer-vco-output | 3× | 3 | — | part |
| 1.4 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 2 | VCF (Voltage-Controlled Filter) 4 parts | modular-synthesizer-vcf | 1× | 1 | 5 | assembly |
| 2.1 | Filter Opamp | modular-synthesizer-vcf-opamp | 2× | 2 | — | part |
| 2.2 | Resonance Control | modular-synthesizer-vcf-resonance | 1× | 1 | — | part |
| 2.3 | Cutoff CV Input | modular-synthesizer-vcf-input | 1× | 1 | — | part |
| 2.4 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 3 | VCA (Voltage-Controlled Amplifier) 3 parts | modular-synthesizer-vca | 1× | 1 | 3 | assembly |
| 3.1 | VCA Opamp | modular-synthesizer-vca-opamp | 1× | 1 | — | part |
| 3.2 | Gain CV Input | modular-synthesizer-vca-cv-input | 1× | 1 | — | part |
| 3.3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 4 | ADSR Envelope Generator 4 parts | modular-synthesizer-envelope | 1× | 1 | 8 | assembly |
| 4.1 | Envelope Opamp | modular-synthesizer-envelope-opamp | 2× | 2 | — | part |
| 4.2 | Gate Input | modular-synthesizer-envelope-input | 1× | 1 | — | part |
| 4.3 | Envelope Time Control | modular-synthesizer-envelope-control | 4× | 4 | — | part |
| 4.4 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 5 | Audio Input Mixer 3 parts | modular-synthesizer-mixer | 1× | 1 | 6 | assembly |
| 5.1 | Summing Opamp | modular-synthesizer-mixer-opamp | 1× | 1 | — | part |
| 5.2 | Mixer Channel | modular-synthesizer-mixer-input | 4× | 4 | — | part |
| 5.3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳Foxconn foxconn.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |