Beat-Frequency (Modulation) Generator
AssemblyHeterodyne circuit subtracting two 4 kHz carriers to produce 1–200 Hz beat frequency for amplitude modulation. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Beat-Frequency (Modulation) Generator parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Balanced Mixer | 1× | Balanced mixer (double-balanced diode ring or IC mixer) |
| 2 | Low-Pass Filter | 1× | Low-pass filter (<200 Hz) extracting beat frequency |
| 3 | Modulation Amplifier | 1× | Modulation signal amplifier and gain control |
| 4 | Modulation DAC | 1× | Digital-to-analog converter for software modulation sweep |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Beat-Frequency (Modulation) Generator
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Balanced Mixer | interferential-therapy-unit-mixer-diode | 1× | 1 | · | part |
| 2 | Low-Pass Filter | interferential-therapy-unit-lpf-filter | 1× | 1 | · | part |
| 3 | Modulation Amplifier | interferential-therapy-unit-modulation-amp | 1× | 1 | · | part |
| 4 | Modulation DAC | interferential-therapy-unit-dac-modulation | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the beat-frequency (modulation) generator is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Inovance
inovance.com ↗
|
Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors, regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |